🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.5 AU - 0.62 AU

Year: 157 Days

Day: 14.5 Hours

Environment

Temp: 228 °C

Axial Tilt: 0.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.83 AU - 1.07 AU

Year: 347 Days

Day: 12.4 Hours

Environment

Temp: 38 °C

Axial Tilt: 17.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.25 AU - 1.53 AU

Year: 614 Days

Day: 42.9 Hours

Environment

Temp: -44 °C

Axial Tilt: 36.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,509,007 km

• M1: 103,671 km (0.047 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.24 AU - 1.72 AU

Year: 675 Days

Day: 31.1 Hours

Environment

Temp: -40 °C

Axial Tilt: 41.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.4

Radius: 11

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.64 AU - 5.92 AU

Year: 3916 Days

Day: 13.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 158.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 67,509,007 km

• M1: 137,331 km (0.105 R)
• M2: 232,924 km (0.117 R)
• M3: 325,226 km (0.093 R)
• M4: 443,258 km (0.11 R)
• M5: 531,970 km (0.104 R)
• M6: 661,372 km (0.062 R)
• M7: 739,313 km (0.11 R)
• M8: 974,032 km (0.052 R)
• M9: 1,044,193 km (0.071 R)
• M10: 1,331,720 km (0.051 R)
• M11: 1,502,561 km (0.092 R)
• M12: 1,608,626 km (0.091 R)
• M13: 1,828,535 km (0.039 R)
• M14: 2,476,742 km (0.114 R)
• M15: 3,145,894 km (0.069 R)
• M16: 3,298,633 km (0.098 R)
• M17: 3,406,942 km (0.026 R)
• M18: 3,516,597 km (0.107 R)
• M19: 3,595,585 km (0.105 R)
• M20: 3,771,662 km (0.078 R)
• M21: 3,901,363 km (0.054 R)
• M22: 4,049,166 km (0.103 R)
• M23: 4,249,328 km (0.092 R)
• M24: 4,333,551 km (0.113 R)
• M25: 4,435,577 km (0.051 R)
• M26: 4,728,789 km (0.1 R)
• M27: 4,816,303 km (0.103 R)
• M28: 5,425,316 km (0.075 R)
• M29: 5,795,122 km (0.1 R)
• M30: 6,096,861 km (0.071 R)
• M31: 6,384,388 km (0.116 R)
• M32: 6,814,333 km (0.112 R)
• M33: 6,933,263 km (0.111 R)
• M34: 7,032,895 km (0.036 R)
• M35: 7,132,976 km (0.118 R)
• M36: 7,294,093 km (0.086 R)
• M37: 7,436,061 km (0.104 R)
• M38: 7,578,927 km (0.05 R)
• M39: 8,054,948 km (0.074 R)
• M40: 8,307,319 km (0.047 R)
• M41: 8,413,085 km (0.067 R)
• M42: 8,498,206 km (0.115 R)
• M43: 9,036,160 km (0.078 R)
• M44: 9,496,622 km (0.103 R)
• M45: 10,099,801 km (0.118 R)
• M46: 10,623,543 km (0.109 R)
• M47: 10,784,660 km (0.106 R)
• M48: 11,555,388 km (0.064 R)
• M49: 11,649,934 km (0.104 R)
• M50: 11,721,143 km (0.052 R)
• M51: 11,983,238 km (0.065 R)
• M52: 12,175,023 km (0.057 R)
• M53: 12,368,004 km (0.081 R)
• M54: 12,683,506 km (0.032 R)
• M55: 12,781,193 km (0.061 R)
• M56: 13,001,850 km (0.11 R)
• M57: 13,273,071 km (0.041 R)
• M58: 13,646,168 km (0.099 R)
• M59: 13,746,249 km (0.081 R)
• M60: 13,821,497 km (0.051 R)
• M61: 14,224,962 km (0.062 R)
• M62: 14,351,821 km (0.117 R)
• M63: 14,530,142 km (0.116 R)
• M64: 14,734,792 km (0.076 R)
• M65: 15,406,486 km (0.092 R)
• M66: 15,929,929 km (0.085 R)
• M67: 16,699,461 km (0.087 R)
• M68: 16,779,645 km (0.076 R)
• M69: 17,021,395 km (0.089 R)
• M70: 17,210,038 km (0.112 R)
• M71: 17,726,001 km (0.069 R)
• M72: 18,246,901 km (0.059 R)
• M73: 18,329,629 km (0.078 R)
• M74: 18,440,032 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.3

Radius: 10.1

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 5.55 AU - 6.61 AU

Year: 5618 Days

Day: 12.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 67,509,007 km

• M1: 135,386 km (0.11 R)
• M2: 209,138 km (0.098 R)
• M3: 405,709 km (0.1 R)
• M4: 603,777 km (0.054 R)
• M5: 677,230 km (0.066 R)
• M6: 754,123 km (0.111 R)
• M7: 854,952 km (0.109 R)
• M8: 960,418 km (0.116 R)
• M9: 1,208,900 km (0.094 R)
• M10: 1,490,743 km (0.033 R)
• M11: 1,580,801 km (0.032 R)
• M12: 1,646,175 km (0.068 R)
• M13: 1,739,374 km (0.071 R)
• M14: 2,015,682 km (0.112 R)
• M15: 2,115,763 km (0.07 R)
• M16: 2,306,201 km (0.108 R)
• M17: 2,426,178 km (0.086 R)
• M18: 2,767,112 km (0.045 R)
• M19: 2,943,338 km (0.085 R)
• M20: 3,106,849 km (0.071 R)
• M21: 3,189,726 km (0.071 R)
• M22: 3,290,106 km (0.074 R)
• M23: 3,425,791 km (0.06 R)
• M24: 4,022,836 km (0.082 R)
• M25: 4,222,998 km (0.057 R)
• M26: 4,445,002 km (0.056 R)
• M27: 4,804,635 km (0.118 R)
• M28: 4,900,826 km (0.113 R)
• M29: 5,371,611 km (0.118 R)
• M30: 5,775,076 km (0.114 R)
• M31: 6,314,227 km (0.106 R)
• M32: 6,440,936 km (0.089 R)
• M33: 6,568,543 km (0.111 R)
• M34: 6,847,843 km (0.107 R)
• M35: 6,978,142 km (0.1 R)
• M36: 7,218,995 km (0.115 R)
• M37: 7,373,829 km (0.041 R)
• M38: 7,754,256 km (0.109 R)
• M39: 7,867,352 km (0.087 R)
• M40: 8,072,451 km (0.083 R)
• M41: 8,187,043 km (0.088 R)
• M42: 8,698,069 km (0.102 R)
• M43: 9,219,418 km (0.052 R)
• M44: 9,459,821 km (0.116 R)
• M45: 9,532,376 km (0.061 R)
• M46: 9,971,296 km (0.107 R)
• M47: 10,193,300 km (0.101 R)
• M48: 11,327,700 km (0.086 R)
• M49: 12,184,747 km (0.106 R)
• M50: 12,581,331 km (0.109 R)
• M51: 13,143,519 km (0.094 R)
• M52: 13,251,679 km (0.116 R)
• M53: 13,550,276 km (0.097 R)
• M54: 14,126,527 km (0.105 R)
• M55: 14,292,581 km (0.111 R)
• M56: 14,375,907 km (0.118 R)
• M57: 14,598,957 km (0.097 R)
• M58: 14,935,403 km (0.041 R)
• M59: 15,189,569 km (0.115 R)
• M60: 15,445,083 km (0.112 R)
• M61: 16,452,475 km (0.118 R)
• M62: 17,125,964 km (0.101 R)
• M63: 17,244,147 km (0.117 R)
• M64: 17,898,188 km (0.078 R)
• M65: 18,651,414 km (0.06 R)
• M66: 18,833,774 km (0.05 R)
• M67: 19,047,250 km (0.117 R)
• M68: 19,169,621 km (0.098 R)
• M69: 19,476,596 km (0.086 R)
• M70: 19,816,183 km (0.057 R)
• M71: 20,002,282 km (0.046 R)
• M72: 20,438,659 km (0.061 R)
• M73: 20,815,197 km (0.096 R)
• M74: 20,878,178 km (0.109 R)
• M75: 21,067,419 km (0.037 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.1

Radius: 14.1

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 9.03 AU - 10.55 AU

Year: 11479 Days

Day: 5.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 67,509,007 km

• M1: 195,375 km (0.095 R)
• M2: 376,687 km (0.032 R)
• M3: 599,289 km (0.102 R)
• M4: 971,189 km (0.061 R)
• M5: 1,493,585 km (0.111 R)
• M6: 1,742,965 km (0.057 R)
• M7: 1,894,956 km (0.041 R)
• M8: 2,402,093 km (0.067 R)
• M9: 2,696,651 km (0.061 R)
• M10: 3,348,000 km (0.074 R)
• M11: 4,047,520 km (0.048 R)
• M12: 4,822,587 km (0.065 R)
• M13: 5,418,136 km (0.084 R)
• M14: 6,037,022 km (0.037 R)
• M15: 6,136,804 km (0.119 R)
• M16: 7,165,439 km (0.095 R)
• M17: 7,377,569 km (0.107 R)
• M18: 7,771,909 km (0.061 R)
• M19: 9,225,551 km (0.109 R)
• M20: 9,379,338 km (0.048 R)
• M21: 10,320,308 km (0.099 R)
• M22: 10,923,637 km (0.114 R)
• M23: 11,250,209 km (0.118 R)
• M24: 11,455,906 km (0.082 R)
• M25: 11,579,922 km (0.028 R)
• M26: 12,291,260 km (0.082 R)
• M27: 13,189,595 km (0.052 R)
• M28: 14,464,768 km (0.108 R)
• M29: 14,913,711 km (0.084 R)
• M30: 15,094,575 km (0.065 R)
• M31: 15,276,037 km (0.076 R)
• M32: 15,549,801 km (0.106 R)
• M33: 15,779,135 km (0.092 R)
• M34: 16,614,190 km (0.075 R)
• M35: 17,606,473 km (0.082 R)
• M36: 18,910,517 km (0.086 R)
• M37: 19,995,850 km (0.101 R)
• M38: 20,898,972 km (0.069 R)
• M39: 22,537,368 km (0.045 R)
• M40: 22,797,070 km (0.071 R)
• M41: 23,162,388 km (0.043 R)
• M42: 25,178,967 km (0.071 R)
• M43: 25,286,678 km (0.072 R)
• M44: 25,936,082 km (0.104 R)
• M45: 26,645,774 km (0.053 R)
• M46: 26,865,534 km (0.057 R)
• M47: 27,861,556 km (0.08 R)
• M48: 30,346,676 km (0.099 R)
• M49: 30,748,646 km (0.083 R)
• M50: 32,023,219 km (0.07 R)
• M51: 32,139,906 km (0.098 R)
• M52: 32,256,742 km (0.084 R)
• M53: 32,725,731 km (0.072 R)
• M54: 32,961,048 km (0.093 R)
• M55: 33,374,088 km (0.106 R)
• M56: 34,863,634 km (0.07 R)
• M57: 35,284,603 km (0.106 R)
• M58: 35,828,241 km (0.08 R)
• M59: 36,313,836 km (0.097 R)
• M60: 36,557,531 km (0.104 R)
• M61: 37,722,150 km (0.108 R)
• M62: 39,023,652 km (0.104 R)
• M63: 39,460,627 km (0.058 R)
• M64: 40,528,906 km (0.081 R)
• M65: 40,971,566 km (0.08 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.5

Radius: 14.4

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 9.56 AU - 13.12 AU

Year: 14310 Days

Day: 7.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 67,509,007 km

• M1: 341,682 km (0.119 R)
• M2: 494,571 km (0.026 R)
• M3: 619,934 km (0.109 R)
• M4: 1,143,975 km (0.057 R)
• M5: 1,426,117 km (0.119 R)
• M6: 1,645,876 km (0.061 R)
• M7: 2,502,772 km (0.078 R)
• M8: 2,702,785 km (0.072 R)
• M9: 2,873,625 km (0.056 R)
• M10: 3,444,790 km (0.087 R)
• M11: 4,051,559 km (0.064 R)
• M12: 4,691,688 km (0.095 R)
• M13: 5,065,982 km (0.083 R)
• M14: 6,111,073 km (0.08 R)
• M15: 6,474,297 km (0.095 R)
• M16: 7,079,420 km (0.096 R)
• M17: 7,947,536 km (0.12 R)
• M18: 8,045,972 km (0.105 R)
• M19: 8,544,881 km (0.081 R)
• M20: 8,849,013 km (0.114 R)
• M21: 8,951,338 km (0.099 R)
• M22: 9,730,294 km (0.113 R)
• M23: 10,208,260 km (0.119 R)
• M24: 10,748,457 km (0.117 R)
• M25: 11,076,974 km (0.082 R)
• M26: 11,408,932 km (0.07 R)
• M27: 11,520,233 km (0.091 R)
• M28: 11,800,280 km (0.097 R)
• M29: 12,309,960 km (0.083 R)
• M30: 12,826,970 km (0.073 R)
• M31: 13,117,340 km (0.08 R)
• M32: 13,822,993 km (0.071 R)
• M33: 14,782,962 km (0.117 R)
• M34: 15,455,554 km (0.11 R)
• M35: 16,577,688 km (0.12 R)
• M36: 17,148,554 km (0.061 R)
• M37: 17,984,506 km (0.073 R)
• M38: 18,899,746 km (0.101 R)
• M39: 19,562,764 km (0.082 R)
• M40: 20,031,454 km (0.113 R)
• M41: 20,368,498 km (0.063 R)
• M42: 22,220,969 km (0.092 R)
• M43: 23,912,472 km (0.11 R)
• M44: 27,567,447 km (0.105 R)
• M45: 27,867,391 km (0.106 R)
• M46: 28,017,736 km (0.118 R)
• M47: 28,319,176 km (0.073 R)
• M48: 29,306,522 km (0.118 R)
• M49: 30,382,430 km (0.083 R)
• M50: 30,769,739 km (0.109 R)
• M51: 30,925,171 km (0.117 R)
• M52: 31,314,873 km (0.066 R)
• M53: 33,048,713 km (0.097 R)
• M54: 34,007,635 km (0.103 R)
• M55: 34,168,303 km (0.107 R)
• M56: 34,571,170 km (0.094 R)
• M57: 35,952,856 km (0.037 R)
• M58: 38,183,959 km (0.118 R)
• M59: 39,780,767 km (0.107 R)
• M60: 40,034,933 km (0.079 R)
• M61: 41,142,406 km (0.112 R)
• M62: 41,485,135 km (0.08 R)
• M63: 42,779,007 km (0.101 R)
• M64: 43,387,422 km (0.114 R)
• M65: 45,494,956 km (0.116 R)
• M66: 48,266,107 km (0.065 R)
• M67: 49,353,534 km (0.119 R)
• M68: 50,907,707 km (0.079 R)
• M69: 51,091,712 km (0.074 R)
• M70: 51,460,172 km (0.03 R)
• M71: 52,756,886 km (0.102 R)
• M72: 56,806,201 km (0.108 R)
• M73: 57,379,161 km (0.092 R)
• M74: 57,570,646 km (0.066 R)
• M75: 58,146,149 km (0.083 R)
• M76: 58,338,382 km (0.115 R)
• M77: 58,434,574 km (0.111 R)
• M78: 58,916,429 km (0.12 R)
• M79: 59,012,919 km (0.058 R)
• M80: 60,954,550 km (0.113 R)
• M81: 62,522,934 km (0.069 R)
• M82: 62,818,539 km (0.059 R)
• M83: 64,800,562 km (0.095 R)
• M84: 64,900,343 km (0.06 R)
• M85: 65,799,427 km (0.095 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 260 - 12,494 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit