🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.55 AU - 0.87 AU

Year: 229 Days

Day: 25.9 Hours

Environment

Temp: 154 °C

Axial Tilt: 34.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.67 AU - 0.91 AU

Year: 269 Days

Day: 43 Hours

Environment

Temp: 125 °C

Axial Tilt: 21.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 101,970,967 km

• M1: 86,168 km (0.109 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.2

Radius: 1.08

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.83 AU - 1.93 AU

Year: 987 Days

Day: 24.9 Hours

Environment

Temp: -83 °C

Axial Tilt: 38.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 101,970,967 km

• M1: 1,102,387 km (0.072 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.38 AU - 2.62 AU

Year: 1513 Days

Day: 33.5 Hours

Environment

Temp: -99 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.52 AU - 3.1 AU

Year: 1804 Days

Day: 24.9 Hours

Environment

Temp: -105 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.17 AU - 4.41 AU

Year: 2825 Days

Day: 20.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 45.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 101,970,967 km

• M1: 312,660 km (0.056 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.5

Radius: 9.1

Gravity: 9.22 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 5.56 AU - 5.84 AU

Year: 5211 Days

Day: 12.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 101,970,967 km

• M1: 116,088 km (0.051 R)
• M2: 255,364 km (0.11 R)
• M3: 669,301 km (0.033 R)
• M4: 879,935 km (0.109 R)
• M5: 1,204,263 km (0.104 R)
• M6: 1,331,271 km (0.115 R)
• M7: 1,703,770 km (0.096 R)
• M8: 2,032,287 km (0.096 R)
• M9: 2,127,132 km (0.093 R)
• M10: 2,301,563 km (0.111 R)
• M11: 2,380,701 km (0.036 R)
• M12: 2,501,127 km (0.06 R)
• M13: 2,706,375 km (0.107 R)
• M14: 2,853,280 km (0.099 R)
• M15: 2,959,943 km (0.075 R)
• M16: 3,221,291 km (0.079 R)
• M17: 3,354,732 km (0.098 R)
• M18: 3,813,100 km (0.108 R)
• M19: 4,389,052 km (0.1 R)
• M20: 5,069,423 km (0.11 R)
• M21: 5,303,544 km (0.069 R)
• M22: 5,382,382 km (0.109 R)
• M23: 5,488,147 km (0.072 R)
• M24: 6,303,007 km (0.091 R)
• M25: 6,386,632 km (0.106 R)
• M26: 6,554,930 km (0.115 R)
• M27: 6,696,300 km (0.104 R)
• M28: 7,155,565 km (0.028 R)
• M29: 7,330,296 km (0.1 R)
• M30: 7,388,938 km (0.053 R)
• M31: 7,536,142 km (0.113 R)
• M32: 7,624,854 km (0.043 R)
• M33: 7,773,704 km (0.039 R)
• M34: 8,779,301 km (0.104 R)
• M35: 9,155,240 km (0.077 R)
• M36: 9,568,280 km (0.057 R)
• M37: 10,085,140 km (0.107 R)
• M38: 10,215,889 km (0.098 R)
• M39: 10,544,855 km (0.109 R)
• M40: 10,677,548 km (0.096 R)
• M41: 11,179,748 km (0.056 R)
• M42: 11,518,886 km (0.115 R)
• M43: 12,103,066 km (0.098 R)
• M44: 12,838,040 km (0.118 R)
• M45: 12,944,255 km (0.113 R)
• M46: 13,300,298 km (0.11 R)
• M47: 13,913,051 km (0.112 R)
• M48: 14,351,223 km (0.078 R)
• M49: 14,905,184 km (0.037 R)
• M50: 15,240,881 km (0.05 R)
• M51: 16,110,195 km (0.075 R)
• M52: 16,493,165 km (0.075 R)
• M53: 17,542,295 km (0.09 R)
• M54: 17,857,199 km (0.087 R)
• M55: 18,015,473 km (0.099 R)
• M56: 18,652,910 km (0.071 R)
• M57: 18,813,428 km (0.083 R)
• M58: 19,014,637 km (0.108 R)
• M59: 19,257,136 km (0.098 R)
• M60: 19,419,449 km (0.092 R)
• M61: 20,609,201 km (0.053 R)
• M62: 20,692,078 km (0.033 R)
• M63: 21,317,547 km (0.071 R)
• M64: 21,443,508 km (0.059 R)
• M65: 22,288,736 km (0.099 R)
• M66: 23,576,924 km (0.075 R)
• M67: 23,793,990 km (0.106 R)
• M68: 23,968,122 km (0.063 R)
• M69: 24,405,247 km (0.102 R)
• M70: 24,537,043 km (0.11 R)
• M71: 25,331,856 km (0.083 R)
• M72: 26,315,013 km (0.055 R)
• M73: 27,037,721 km (0.082 R)
• M74: 27,174,004 km (0.104 R)
• M75: 27,264,960 km (0.061 R)
• M76: 27,356,065 km (0.091 R)
• M77: 27,767,010 km (0.085 R)
• M78: 28,088,197 km (0.115 R)
• M79: 29,151,987 km (0.086 R)
• M80: 29,384,911 km (0.118 R)
• M81: 29,618,583 km (0.113 R)
• M82: 29,759,056 km (0.116 R)
• M83: 29,899,678 km (0.075 R)
• M84: 30,606,378 km (0.106 R)
• M85: 31,700,836 km (0.086 R)
• M86: 32,132,575 km (0.034 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.7

Radius: 14.8

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 5.95 AU - 6.39 AU

Year: 5868 Days

Day: 8.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 145.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (53)

Outer Limit: 101,970,967 km

• M1: 221,405 km (0.07 R)
• M2: 340,485 km (0.115 R)
• M3: 453,282 km (0.101 R)
• M4: 576,550 km (0.026 R)
• M5: 905,217 km (0.092 R)
• M6: 1,136,495 km (0.118 R)
• M7: 1,248,394 km (0.069 R)
• M8: 1,400,086 km (0.072 R)
• M9: 1,608,327 km (0.113 R)
• M10: 1,735,784 km (0.1 R)
• M11: 1,947,315 km (0.105 R)
• M12: 2,139,549 km (0.046 R)
• M13: 2,352,726 km (0.105 R)
• M14: 2,831,439 km (0.095 R)
• M15: 2,924,638 km (0.098 R)
• M16: 3,226,976 km (0.04 R)
• M17: 3,827,910 km (0.096 R)
• M18: 3,931,432 km (0.096 R)
• M19: 4,646,510 km (0.093 R)
• M20: 4,943,910 km (0.115 R)
• M21: 5,382,531 km (0.089 R)
• M22: 5,479,471 km (0.105 R)
• M23: 6,134,859 km (0.105 R)
• M24: 6,920,248 km (0.106 R)
• M25: 7,110,985 km (0.075 R)
• M26: 7,411,228 km (0.069 R)
• M27: 8,068,711 km (0.1 R)
• M28: 8,404,558 km (0.119 R)
• M29: 8,653,788 km (0.068 R)
• M30: 8,790,670 km (0.066 R)
• M31: 9,888,569 km (0.085 R)
• M32: 10,417,397 km (0.093 R)
• M33: 11,005,018 km (0.066 R)
• M34: 11,103,902 km (0.062 R)
• M35: 11,252,901 km (0.107 R)
• M36: 12,468,983 km (0.113 R)
• M37: 12,805,578 km (0.1 R)
• M38: 12,961,908 km (0.071 R)
• M39: 13,066,476 km (0.055 R)
• M40: 13,355,649 km (0.112 R)
• M41: 13,940,128 km (0.028 R)
• M42: 14,074,168 km (0.113 R)
• M43: 14,316,516 km (0.113 R)
• M44: 14,533,134 km (0.106 R)
• M45: 14,805,402 km (0.081 R)
• M46: 15,382,700 km (0.086 R)
• M47: 16,079,677 km (0.081 R)
• M48: 16,502,740 km (0.031 R)
• M49: 18,702,576 km (0.096 R)
• M50: 19,058,320 km (0.108 R)
• M51: 19,177,400 km (0.107 R)
• M52: 20,048,209 km (0.086 R)
• M53: 20,503,585 km (0.114 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.9

Radius: 10.7

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 6.91 AU - 8.07 AU

Year: 7849 Days

Day: 13.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 101,970,967 km

• M1: 139,874 km (0.106 R)
• M2: 242,199 km (0.099 R)
• M3: 571,314 km (0.102 R)
• M4: 700,268 km (0.074 R)
• M5: 872,006 km (0.096 R)
• M6: 1,411,606 km (0.093 R)
• M7: 1,510,639 km (0.108 R)
• M8: 1,591,721 km (0.102 R)
• M9: 1,716,187 km (0.105 R)
• M10: 1,930,860 km (0.092 R)
• M11: 2,041,562 km (0.047 R)
• M12: 2,177,397 km (0.087 R)
• M13: 2,700,840 km (0.107 R)
• M14: 2,951,716 km (0.027 R)
• M15: 3,395,572 km (0.116 R)
• M16: 3,666,644 km (0.103 R)
• M17: 3,777,047 km (0.111 R)
• M18: 4,001,294 km (0.09 R)
• M19: 4,114,989 km (0.043 R)
• M20: 4,287,774 km (0.059 R)
• M21: 4,790,124 km (0.081 R)
• M22: 5,002,403 km (0.071 R)
• M23: 5,342,439 km (0.07 R)
• M24: 5,626,376 km (0.105 R)
• M25: 6,241,672 km (0.104 R)
• M26: 6,374,066 km (0.081 R)
• M27: 7,536,142 km (0.071 R)
• M28: 7,712,518 km (0.119 R)
• M29: 7,961,748 km (0.089 R)
• M30: 8,286,226 km (0.051 R)
• M31: 9,436,634 km (0.075 R)
• M32: 10,166,372 km (0.06 R)
• M33: 10,518,376 km (0.067 R)
• M34: 10,676,202 km (0.09 R)
• M35: 10,994,097 km (0.025 R)
• M36: 11,966,334 km (0.076 R)
• M37: 12,546,175 km (0.107 R)
• M38: 12,629,800 km (0.074 R)
• M39: 12,797,499 km (0.095 R)
• M40: 13,305,235 km (0.06 R)
• M41: 13,733,384 km (0.118 R)
• M42: 13,862,636 km (0.098 R)
• M43: 13,992,338 km (0.117 R)
• M44: 15,000,328 km (0.072 R)
• M45: 15,401,101 km (0.059 R)
• M46: 16,808,518 km (0.078 R)
• M47: 17,457,623 km (0.099 R)
• M48: 17,550,972 km (0.078 R)
• M49: 17,738,268 km (0.084 R)
• M50: 18,399,042 km (0.05 R)
• M51: 19,744,675 km (0.094 R)
• M52: 20,134,976 km (0.087 R)
• M53: 22,225,456 km (0.095 R)
• M54: 23,864,002 km (0.081 R)
• M55: 24,019,584 km (0.087 R)
• M56: 24,123,554 km (0.1 R)
• M57: 25,382,420 km (0.115 R)
• M58: 26,019,707 km (0.038 R)
• M59: 26,770,090 km (0.077 R)
• M60: 27,364,592 km (0.038 R)
• M61: 28,018,185 km (0.06 R)
• M62: 28,401,754 km (0.048 R)
• M63: 28,566,611 km (0.044 R)
• M64: 29,730,183 km (0.099 R)
• M65: 30,009,482 km (0.116 R)
• M66: 30,233,580 km (0.066 R)
• M67: 30,570,624 km (0.12 R)
• M68: 30,965,562 km (0.09 R)
• M69: 31,703,529 km (0.12 R)
• M70: 32,562,221 km (0.042 R)
• M71: 33,023,281 km (0.108 R)
• M72: 33,196,665 km (0.099 R)
• M73: 33,777,105 km (0.088 R)
• M74: 34,010,178 km (0.034 R)
• M75: 34,243,850 km (0.086 R)
• M76: 34,477,971 km (0.09 R)
• M77: 34,595,256 km (0.108 R)
• M78: 34,771,482 km (0.113 R)
• M79: 35,065,741 km (0.039 R)
• M80: 35,597,561 km (0.075 R)
• M81: 37,691,034 km (0.114 R)
• M82: 38,844,134 km (0.079 R)
• M83: 39,027,242 km (0.101 R)
• M84: 40,379,008 km (0.109 R)
• M85: 40,812,244 km (0.096 R)
• M86: 41,371,590 km (0.114 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 719.8

Radius: 6.6

Gravity: 16.52 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 15.68 AU - 21.16 AU

Year: 30269 Days

Day: 21.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 101,970,967 km

• M1: 98,884 km (0.094 R)
• M2: 199,564 km (0.089 R)
• M3: 749,186 km (0.077 R)
• M4: 990,637 km (0.106 R)
• M5: 1,396,347 km (0.119 R)
• M6: 2,174,854 km (0.106 R)
• M7: 3,018,436 km (0.092 R)
• M8: 4,264,736 km (0.053 R)
• M9: 4,531,020 km (0.115 R)
• M10: 4,639,180 km (0.034 R)
• M11: 7,035,588 km (0.099 R)
• M12: 7,993,164 km (0.107 R)
• M13: 8,520,496 km (0.093 R)
• M14: 8,721,107 km (0.104 R)
• M15: 8,855,745 km (0.092 R)
• M16: 8,990,982 km (0.064 R)
• M17: 9,539,108 km (0.103 R)
• M18: 10,027,695 km (0.059 R)
• M19: 11,174,512 km (0.057 R)
• M20: 12,665,704 km (0.084 R)
• M21: 15,016,634 km (0.095 R)
• M22: 15,178,200 km (0.103 R)
• M23: 18,181,228 km (0.107 R)
• M24: 18,612,518 km (0.068 R)
• M25: 18,699,135 km (0.105 R)
• M26: 20,460,351 km (0.119 R)
• M27: 20,549,661 km (0.118 R)
• M28: 22,273,777 km (0.05 R)
• M29: 22,827,737 km (0.044 R)
• M30: 23,013,388 km (0.07 R)
• M31: 24,138,065 km (0.093 R)
• M32: 25,472,478 km (0.113 R)
• M33: 25,954,931 km (0.108 R)
• M34: 29,012,413 km (0.109 R)
• M35: 30,941,776 km (0.12 R)
• M36: 32,077,673 km (0.047 R)
• M37: 34,496,371 km (0.089 R)
• M38: 35,136,949 km (0.115 R)
• M39: 36,213,306 km (0.055 R)
• M40: 36,646,990 km (0.079 R)
• M41: 37,738,307 km (0.054 R)
• M42: 38,067,871 km (0.068 R)
• M43: 38,398,333 km (0.115 R)
• M44: 40,065,003 km (0.083 R)
• M45: 40,401,149 km (0.091 R)
• M46: 40,625,695 km (0.026 R)
• M47: 42,209,638 km (0.085 R)
• M48: 43,698,436 km (0.093 R)
• M49: 45,671,183 km (0.1 R)
• M50: 47,554,171 km (0.08 R)
• M51: 48,147,775 km (0.12 R)
• M52: 48,266,855 km (0.062 R)
• M53: 50,426,001 km (0.106 R)
• M54: 51,031,274 km (0.089 R)
• M55: 51,152,598 km (0.097 R)
• M56: 52,861,754 km (0.08 R)
• M57: 53,599,870 km (0.085 R)
• M58: 54,217,559 km (0.116 R)
• M59: 57,089,539 km (0.085 R)
• M60: 58,480,351 km (0.093 R)
• M61: 59,243,749 km (0.082 R)
• M62: 59,882,382 km (0.117 R)
• M63: 61,295,484 km (0.044 R)
• M64: 61,424,587 km (0.099 R)
• M65: 66,658,268 km (0.092 R)
• M66: 67,855,500 km (0.098 R)
• M67: 71,218,011 km (0.083 R)
• M68: 71,625,067 km (0.112 R)
• M69: 72,578,155 km (0.074 R)
• M70: 74,084,157 km (0.113 R)
• M71: 74,909,937 km (0.114 R)
• M72: 75,600,481 km (0.079 R)
• M73: 76,293,119 km (0.068 R)
• M74: 78,383,450 km (0.118 R)
• M75: 78,523,623 km (0.084 R)
• M76: 79,928,497 km (0.073 R)
• M77: 81,199,929 km (0.114 R)
• M78: 82,193,558 km (0.115 R)
• M79: 86,497,040 km (0.072 R)
• M80: 87,802,281 km (0.033 R)
• M81: 88,530,225 km (0.07 R)
• M82: 92,791,819 km (0.11 R)
• M83: 93,384,825 km (0.12 R)
• M84: 93,533,226 km (0.098 R)
• M85: 96,518,751 km (0.11 R)
• M86: 97,721,667 km (0.106 R)
• M87: 99,838,777 km (0.073 R)
• M88: 100,598,584 km (0.119 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 450 - 20,318 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit