🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.71 AU - 0.85 AU

Year: 254 Days

Day: 21.2 Hours

Environment

Temp: 104 °C

Axial Tilt: 21 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.12

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.78 AU - 0.94 AU

Year: 294 Days

Day: 39.7 Hours

Environment

Temp: 156 °C

Axial Tilt: 37.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 70,642,968 km

• M1: 97,987 km (0.078 R)
• M2: 286,929 km (0.081 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.8 AU - 1.2 AU

Year: 369 Days

Day: 24 Hours

Environment

Temp: 14 °C

Axial Tilt: 9.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 70,642,968 km

• M1: 187,147 km (0.092 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.03 AU - 1.53 AU

Year: 534 Days

Day: 32.2 Hours

Environment

Temp: 1 °C

Axial Tilt: 39.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.47 AU - 2.15 AU

Year: 898 Days

Day: 20.7 Hours

Environment

Temp: -69 °C

Axial Tilt: 43.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.48 AU - 3.66 AU

Year: 2489 Days

Day: 32.1 Hours

Environment

Temp: -121 °C

Axial Tilt: 88.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.79 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.7

Radius: 10

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.51 AU - 6.51 AU

Year: 5436 Days

Day: 5.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 70,642,968 km

• M1: 208,689 km (0.102 R)
• M2: 290,519 km (0.086 R)
• M3: 363,074 km (0.106 R)
• M4: 472,280 km (0.07 R)
• M5: 542,143 km (0.104 R)
• M6: 616,044 km (0.096 R)
• M7: 716,723 km (0.11 R)
• M8: 1,014,274 km (0.061 R)
• M9: 1,149,660 km (0.09 R)
• M10: 1,262,606 km (0.109 R)
• M11: 1,530,386 km (0.11 R)
• M12: 1,608,028 km (0.119 R)
• M13: 1,783,655 km (0.075 R)
• M14: 2,050,688 km (0.108 R)
• M15: 2,154,209 km (0.038 R)
• M16: 2,241,724 km (0.113 R)
• M17: 2,511,898 km (0.077 R)
• M18: 2,641,599 km (0.107 R)
• M19: 2,773,545 km (0.11 R)
• M20: 2,946,480 km (0.1 R)
• M21: 3,083,511 km (0.066 R)
• M22: 3,182,695 km (0.081 R)
• M23: 3,343,662 km (0.099 R)
• M24: 3,466,183 km (0.098 R)
• M25: 3,569,405 km (0.074 R)
• M26: 4,725,946 km (0.026 R)
• M27: 5,237,721 km (0.061 R)
• M28: 5,669,759 km (0.111 R)
• M29: 5,742,913 km (0.037 R)
• M30: 5,840,899 km (0.111 R)
• M31: 7,086,152 km (0.115 R)
• M32: 7,164,990 km (0.059 R)
• M33: 7,350,192 km (0.058 R)
• M34: 7,806,466 km (0.089 R)
• M35: 8,134,085 km (0.073 R)
• M36: 8,662,016 km (0.117 R)
• M37: 8,972,880 km (0.034 R)
• M38: 9,115,297 km (0.048 R)
• M39: 9,518,314 km (0.092 R)
• M40: 9,780,410 km (0.063 R)
• M41: 9,985,957 km (0.091 R)
• M42: 10,431,310 km (0.076 R)
• M43: 11,004,719 km (0.085 R)
• M44: 11,962,145 km (0.088 R)
• M45: 12,150,489 km (0.095 R)
• M46: 12,881,723 km (0.111 R)
• M47: 13,171,793 km (0.103 R)
• M48: 13,890,013 km (0.109 R)
• M49: 14,453,548 km (0.073 R)
• M50: 15,500,583 km (0.116 R)
• M51: 15,568,950 km (0.045 R)
• M52: 16,119,769 km (0.094 R)
• M53: 16,327,860 km (0.068 R)
• M54: 16,571,854 km (0.108 R)
• M55: 16,992,972 km (0.096 R)
• M56: 17,204,952 km (0.117 R)
• M57: 17,488,739 km (0.12 R)
• M58: 17,810,075 km (0.049 R)
• M59: 18,097,154 km (0.108 R)
• M60: 18,205,313 km (0.085 R)
• M61: 18,385,878 km (0.112 R)
• M62: 18,494,635 km (0.048 R)
• M63: 18,603,393 km (0.096 R)
• M64: 18,712,599 km (0.084 R)
• M65: 19,408,379 km (0.052 R)
• M66: 19,482,131 km (0.063 R)
• M67: 20,000,936 km (0.116 R)
• M68: 20,299,533 km (0.109 R)
• M69: 21,967,550 km (0.066 R)
• M70: 22,198,529 km (0.081 R)
• M71: 22,468,852 km (0.1 R)
• M72: 22,662,731 km (0.078 R)
• M73: 22,740,372 km (0.067 R)
• M74: 24,232,910 km (0.116 R)
• M75: 24,870,796 km (0.064 R)
• M76: 25,393,191 km (0.118 R)
• M77: 25,595,148 km (0.109 R)
• M78: 25,878,636 km (0.072 R)
• M79: 26,694,543 km (0.066 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.2

Radius: 12.9

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 7.51 AU - 11.53 AU

Year: 10838 Days

Day: 7 Hours

Environment

Temp: -182 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 70,642,968 km

• M1: 198,816 km (0.099 R)
• M2: 281,992 km (0.058 R)
• M3: 716,873 km (0.105 R)
• M4: 919,578 km (0.11 R)
• M5: 1,063,042 km (0.104 R)
• M6: 1,279,062 km (0.119 R)
• M7: 1,540,110 km (0.108 R)
• M8: 2,057,868 km (0.092 R)
• M9: 2,261,471 km (0.084 R)
• M10: 2,615,719 km (0.062 R)
• M11: 3,051,797 km (0.117 R)
• M12: 3,591,845 km (0.052 R)
• M13: 3,687,139 km (0.115 R)
• M14: 3,797,093 km (0.063 R)
• M15: 3,992,169 km (0.071 R)
• M16: 4,247,832 km (0.045 R)
• M17: 4,611,953 km (0.083 R)
• M18: 4,700,963 km (0.058 R)
• M19: 4,790,423 km (0.111 R)
• M20: 4,925,809 km (0.06 R)
• M21: 5,185,062 km (0.076 R)
• M22: 5,293,072 km (0.103 R)
• M23: 5,669,311 km (0.119 R)
• M24: 5,892,810 km (0.098 R)
• M25: 6,266,356 km (0.07 R)
• M26: 6,497,634 km (0.033 R)
• M27: 6,832,883 km (0.055 R)
• M28: 7,346,452 km (0.105 R)
• M29: 7,590,446 km (0.097 R)
• M30: 7,713,416 km (0.045 R)
• M31: 7,819,481 km (0.105 R)
• M32: 7,908,043 km (0.104 R)
• M33: 8,194,074 km (0.071 R)
• M34: 8,538,298 km (0.109 R)
• M35: 8,647,954 km (0.065 R)
• M36: 8,831,809 km (0.119 R)
• M37: 9,017,012 km (0.097 R)
• M38: 10,000,468 km (0.102 R)
• M39: 10,212,897 km (0.095 R)
• M40: 10,426,822 km (0.039 R)
• M41: 11,398,011 km (0.117 R)
• M42: 11,802,674 km (0.101 R)
• M43: 12,006,725 km (0.063 R)
• M44: 12,273,907 km (0.071 R)
• M45: 12,460,007 km (0.112 R)
• M46: 12,563,828 km (0.055 R)
• M47: 12,855,992 km (0.06 R)
• M48: 12,960,860 km (0.087 R)
• M49: 13,234,924 km (0.107 R)
• M50: 14,090,175 km (0.049 R)
• M51: 14,809,292 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 980.7

Radius: 6.6

Gravity: 22.51 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 11.34 AU - 13.84 AU

Year: 16482 Days

Day: 23.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 70,642,968 km

• M1: 88,861 km (0.115 R)
• M2: 146,307 km (0.073 R)
• M3: 206,744 km (0.106 R)
• M4: 263,891 km (0.119 R)
• M5: 453,880 km (0.105 R)
• M6: 974,929 km (0.092 R)
• M7: 1,358,797 km (0.067 R)
• M8: 2,499,032 km (0.1 R)
• M9: 2,942,291 km (0.116 R)
• M10: 3,018,586 km (0.057 R)
• M11: 3,290,704 km (0.101 R)
• M12: 3,570,901 km (0.08 R)
• M13: 3,858,578 km (0.111 R)
• M14: 4,153,884 km (0.115 R)
• M15: 4,500,353 km (0.088 R)
• M16: 4,811,068 km (0.118 R)
• M17: 5,359,942 km (0.043 R)
• M18: 5,547,388 km (0.099 R)
• M19: 5,880,393 km (0.063 R)
• M20: 6,122,293 km (0.102 R)
• M21: 7,225,128 km (0.052 R)
• M22: 8,333,649 km (0.094 R)
• M23: 8,550,865 km (0.094 R)
• M24: 9,381,731 km (0.056 R)
• M25: 9,437,980 km (0.104 R)
• M26: 9,494,378 km (0.119 R)
• M27: 10,238,029 km (0.099 R)
• M28: 10,412,311 km (0.112 R)
• M29: 10,587,490 km (0.114 R)
• M30: 11,298,230 km (0.105 R)
• M31: 12,454,920 km (0.076 R)
• M32: 12,827,868 km (0.114 R)
• M33: 13,078,594 km (0.051 R)
• M34: 13,584,983 km (0.118 R)
• M35: 14,291,683 km (0.117 R)
• M36: 15,208,120 km (0.089 R)
• M37: 15,874,428 km (0.043 R)
• M38: 16,891,694 km (0.116 R)
• M39: 18,210,250 km (0.108 R)
• M40: 18,704,222 km (0.12 R)
• M41: 19,131,174 km (0.077 R)
• M42: 19,489,461 km (0.091 R)
• M43: 20,871,147 km (0.101 R)
• M44: 22,208,851 km (0.043 R)
• M45: 23,192,307 km (0.118 R)
• M46: 23,804,462 km (0.088 R)
• M47: 24,035,291 km (0.078 R)
• M48: 25,358,036 km (0.118 R)
• M49: 26,147,015 km (0.079 R)
• M50: 27,104,441 km (0.108 R)
• M51: 27,426,077 km (0.088 R)
• M52: 28,561,973 km (0.119 R)
• M53: 31,047,243 km (0.108 R)
• M54: 31,383,838 km (0.058 R)
• M55: 32,656,766 km (0.074 R)
• M56: 33,084,766 km (0.115 R)
• M57: 34,990,194 km (0.117 R)
• M58: 36,044,410 km (0.099 R)
• M59: 36,221,085 km (0.092 R)
• M60: 36,753,055 km (0.083 R)
• M61: 36,841,916 km (0.099 R)
• M62: 38,094,051 km (0.118 R)
• M63: 39,178,336 km (0.057 R)
• M64: 39,450,903 km (0.109 R)
• M65: 40,272,644 km (0.043 R)
• M66: 43,804,052 km (0.034 R)
• M67: 43,898,298 km (0.116 R)
• M68: 44,181,487 km (0.091 R)
• M69: 45,893,336 km (0.086 R)
• M70: 47,529,936 km (0.074 R)
• M71: 47,723,815 km (0.109 R)
• M72: 48,501,574 km (0.111 R)
• M73: 49,087,699 km (0.111 R)
• M74: 49,676,217 km (0.043 R)
• M75: 49,971,224 km (0.102 R)
• M76: 51,256,718 km (0.079 R)
• M77: 51,754,131 km (0.087 R)
• M78: 52,453,053 km (0.08 R)
• M79: 53,255,645 km (0.027 R)
• M80: 54,264,683 km (0.07 R)
• M81: 62,453,969 km (0.028 R)
• M82: 62,985,042 km (0.112 R)
• M83: 65,771,003 km (0.096 R)
• M84: 66,203,191 km (0.091 R)
• M85: 66,419,659 km (0.087 R)
• M86: 66,636,277 km (0.085 R)
• M87: 66,744,736 km (0.064 R)
• M88: 72,351,664 km (0.065 R)
• M89: 73,580,610 km (0.065 R)
• M90: 74,366,298 km (0.074 R)
• M91: 75,041,882 km (0.099 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 337.3

Radius: 6.8

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 14.26 AU - 19.42 AU

Year: 25497 Days

Day: 18.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 70,642,968 km

• M1: 86,767 km (0.071 R)
• M2: 165,904 km (0.083 R)
• M3: 269,426 km (0.095 R)
• M4: 1,335,759 km (0.095 R)
• M5: 1,391,260 km (0.042 R)
• M6: 2,085,694 km (0.101 R)
• M7: 2,183,231 km (0.107 R)
• M8: 2,282,415 km (0.092 R)
• M9: 2,693,958 km (0.059 R)
• M10: 2,764,718 km (0.099 R)
• M11: 2,836,226 km (0.064 R)
• M12: 2,981,037 km (0.074 R)
• M13: 3,391,833 km (0.109 R)
• M14: 4,473,874 km (0.041 R)
• M15: 4,600,284 km (0.113 R)
• M16: 4,770,676 km (0.1 R)
• M17: 4,899,929 km (0.1 R)
• M18: 8,174,028 km (0.054 R)
• M19: 8,484,443 km (0.072 R)
• M20: 9,010,429 km (0.061 R)
• M21: 9,170,349 km (0.095 R)
• M22: 10,933,061 km (0.09 R)
• M23: 11,275,042 km (0.079 R)
• M24: 11,447,379 km (0.084 R)
• M25: 11,620,613 km (0.045 R)
• M26: 11,736,551 km (0.065 R)
• M27: 12,262,986 km (0.099 R)
• M28: 12,558,891 km (0.108 R)
• M29: 14,011,337 km (0.084 R)
• M30: 14,196,539 km (0.08 R)
• M31: 14,820,063 km (0.087 R)
• M32: 14,882,894 km (0.111 R)
• M33: 15,135,116 km (0.102 R)
• M34: 17,667,509 km (0.104 R)
• M35: 18,001,561 km (0.108 R)
• M36: 18,608,180 km (0.089 R)
• M37: 19,565,008 km (0.115 R)
• M38: 19,702,937 km (0.103 R)
• M39: 20,397,819 km (0.109 R)
• M40: 22,457,782 km (0.051 R)
• M41: 22,819,659 km (0.102 R)
• M42: 22,964,919 km (0.077 R)
• M43: 23,329,339 km (0.096 R)
• M44: 23,402,493 km (0.118 R)
• M45: 23,916,660 km (0.062 R)
• M46: 24,064,164 km (0.117 R)
• M47: 25,631,800 km (0.099 R)
• M48: 25,707,347 km (0.107 R)
• M49: 27,078,411 km (0.05 R)
• M50: 27,540,669 km (0.045 R)
• M51: 28,786,221 km (0.093 R)
• M52: 29,336,890 km (0.044 R)
• M53: 29,574,003 km (0.065 R)
• M54: 31,090,177 km (0.112 R)
• M55: 31,170,661 km (0.099 R)
• M56: 31,331,928 km (0.108 R)
• M57: 31,736,141 km (0.089 R)
• M58: 32,304,912 km (0.09 R)
• M59: 32,713,314 km (0.101 R)
• M60: 33,700,361 km (0.052 R)
• M61: 34,447,004 km (0.097 R)
• M62: 35,031,633 km (0.118 R)
• M63: 36,295,136 km (0.09 R)
• M64: 36,889,937 km (0.108 R)
• M65: 37,573,600 km (0.069 R)
• M66: 38,520,554 km (0.096 R)
• M67: 39,649,719 km (0.091 R)
• M68: 39,736,934 km (0.099 R)
• M69: 39,999,329 km (0.079 R)
• M70: 40,789,655 km (0.072 R)
• M71: 42,118,383 km (0.097 R)
• M72: 42,564,484 km (0.083 R)
• M73: 43,191,598 km (0.058 R)
• M74: 46,372,647 km (0.063 R)
• M75: 46,925,561 km (0.046 R)
• M76: 48,317,270 km (0.059 R)
• M77: 50,382,768 km (0.071 R)
• M78: 51,426,362 km (0.065 R)
• M79: 51,998,574 km (0.096 R)
• M80: 52,285,503 km (0.086 R)
• M81: 52,861,006 km (0.076 R)
• M82: 53,534,944 km (0.11 R)
• M83: 55,476,126 km (0.088 R)
• M84: 59,626,869 km (0.118 R)
• M85: 59,726,950 km (0.099 R)
• M86: 60,027,492 km (0.084 R)
• M87: 62,855,939 km (0.117 R)
• M88: 64,594,266 km (0.1 R)
• M89: 65,521,025 km (0.115 R)
• M90: 66,763,435 km (0.064 R)
• M91: 68,222,763 km (0.084 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 174 - 18,713 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit