🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.2

Radius: 9.2

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.72 AU - 0.96 AU

Year: 505 Days

Day: 13.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,832,007 km

• M1: 116,537 km (0.106 R)
• M2: 657,632 km (0.076 R)
• M3: 1,206,507 km (0.097 R)
• M4: 2,358,859 km (0.113 R)
• M5: 3,294,893 km (0.118 R)
• M6: 4,196,370 km (0.069 R)
• M7: 4,490,629 km (0.037 R)
• M8: 4,798,651 km (0.096 R)
• M9: 5,237,122 km (0.078 R)
• M10: 6,460,384 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.4

Radius: 8.7

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1 AU - 1.48 AU

Year: 906 Days

Day: 8.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 82,832,007 km

• M1: 108,159 km (0.03 R)
• M2: 553,512 km (0.065 R)
• M3: 901,327 km (0.077 R)
• M4: 1,194,090 km (0.115 R)
• M5: 1,884,335 km (0.107 R)
• M6: 2,188,617 km (0.091 R)
• M7: 2,494,844 km (0.107 R)
• M8: 2,795,984 km (0.052 R)
• M9: 3,194,363 km (0.089 R)
• M10: 3,670,683 km (0.093 R)
• M11: 4,149,546 km (0.115 R)
• M12: 4,434,829 km (0.082 R)
• M13: 4,733,426 km (0.065 R)
• M14: 5,441,174 km (0.089 R)
• M15: 6,857,566 km (0.078 R)
• M16: 7,257,890 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.9

Radius: 13.2

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.08 AU - 1.76 AU

Year: 1110 Days

Day: 6.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,832,007 km

• M1: 165,605 km (0.057 R)
• M2: 840,590 km (0.116 R)
• M3: 1,305,391 km (0.087 R)
• M4: 1,846,935 km (0.113 R)
• M5: 2,476,892 km (0.111 R)
• M6: 3,211,118 km (0.12 R)
• M7: 3,755,804 km (0.106 R)
• M8: 5,164,717 km (0.086 R)
• M9: 5,699,380 km (0.099 R)
• M10: 6,176,298 km (0.117 R)
• M11: 6,860,259 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.1

Radius: 11.3

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.66 AU - 1.94 AU

Year: 1584 Days

Day: 5.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,832,007 km

• M1: 140,622 km (0.095 R)
• M2: 548,875 km (0.05 R)
• M3: 966,402 km (0.074 R)
• M4: 1,415,345 km (0.113 R)
• M5: 2,989,265 km (0.089 R)
• M6: 5,078,997 km (0.115 R)
• M7: 5,850,922 km (0.112 R)
• M8: 6,795,633 km (0.105 R)
• M9: 7,892,933 km (0.11 R)
• M10: 8,783,340 km (0.117 R)
• M11: 9,373,055 km (0.115 R)
• M12: 9,926,268 km (0.115 R)
• M13: 11,508,564 km (0.12 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 559.7

Radius: 7.8

Gravity: 9.2 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 5.69 AU - 8.79 AU

Year: 12780 Days

Day: 22.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 82,832,007 km

• M1: 97,837 km (0.087 R)
• M2: 452,683 km (0.101 R)
• M3: 825,182 km (0.042 R)
• M4: 1,290,880 km (0.041 R)
• M5: 1,547,889 km (0.084 R)
• M6: 2,095,118 km (0.067 R)
• M7: 2,616,467 km (0.087 R)
• M8: 3,245,675 km (0.071 R)
• M9: 4,226,888 km (0.112 R)
• M10: 4,896,937 km (0.096 R)
• M11: 7,084,357 km (0.117 R)
• M12: 7,632,334 km (0.025 R)
• M13: 12,895,336 km (0.106 R)
• M14: 14,297,368 km (0.103 R)
• M15: 15,657,512 km (0.106 R)
• M16: 17,780,006 km (0.083 R)
• M17: 18,241,964 km (0.119 R)
• M18: 18,790,989 km (0.063 R)
• M19: 20,504,183 km (0.104 R)
• M20: 22,856,759 km (0.084 R)
• M21: 23,402,941 km (0.081 R)
• M22: 25,870,857 km (0.109 R)
• M23: 26,663,876 km (0.105 R)
• M24: 27,677,700 km (0.101 R)
• M25: 30,873,560 km (0.114 R)
• M26: 32,331,690 km (0.102 R)
• M27: 33,251,568 km (0.105 R)
• M28: 33,601,028 km (0.105 R)
• M29: 38,624,824 km (0.068 R)
• M30: 40,184,830 km (0.067 R)
• M31: 45,975,614 km (0.065 R)
• M32: 48,023,160 km (0.088 R)
• M33: 48,768,906 km (0.077 R)
• M34: 51,207,052 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 686.9

Radius: 6.7

Gravity: 15.3 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 5.8 AU - 8.76 AU

Year: 12886 Days

Day: 17.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 82,832,007 km

• M1: 83,476 km (0.075 R)
• M2: 328,966 km (0.11 R)
• M3: 564,882 km (0.111 R)
• M4: 867,518 km (0.091 R)
• M5: 1,224,907 km (0.119 R)
• M6: 1,856,360 km (0.087 R)
• M7: 2,066,844 km (0.116 R)
• M8: 3,659,762 km (0.074 R)
• M9: 5,015,269 km (0.113 R)
• M10: 9,367,968 km (0.083 R)
• M11: 11,037,630 km (0.072 R)
• M12: 11,324,409 km (0.11 R)
• M13: 12,153,780 km (0.081 R)
• M14: 12,708,040 km (0.115 R)
• M15: 15,590,641 km (0.104 R)
• M16: 18,881,645 km (0.11 R)
• M17: 21,522,945 km (0.045 R)
• M18: 23,257,981 km (0.099 R)
• M19: 28,479,695 km (0.112 R)
• M20: 30,679,980 km (0.094 R)
• M21: 30,906,172 km (0.117 R)
• M22: 32,991,118 km (0.1 R)
• M23: 33,706,495 km (0.12 R)
• M24: 41,853,295 km (0.051 R)
• M25: 52,662,639 km (0.104 R)
• M26: 53,639,364 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 794.9

Radius: 7.9

Gravity: 12.74 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 8.04 AU - 12.18 AU

Year: 21088 Days

Day: 24.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 82,832,007 km

• M1: 99,034 km (0.093 R)
• M2: 424,559 km (0.099 R)
• M3: 800,648 km (0.105 R)
• M4: 1,300,155 km (0.064 R)
• M5: 1,763,161 km (0.118 R)
• M6: 2,265,660 km (0.085 R)
• M7: 3,071,394 km (0.115 R)
• M8: 4,746,441 km (0.077 R)
• M9: 5,005,994 km (0.041 R)
• M10: 5,432,946 km (0.119 R)
• M11: 6,097,460 km (0.095 R)
• M12: 6,584,849 km (0.096 R)
• M13: 6,908,280 km (0.112 R)
• M14: 9,077,449 km (0.119 R)
• M15: 9,654,149 km (0.052 R)
• M16: 12,207,485 km (0.076 R)
• M17: 16,157,318 km (0.08 R)
• M18: 17,525,690 km (0.084 R)
• M19: 19,720,739 km (0.085 R)
• M20: 23,668,328 km (0.104 R)
• M21: 24,648,792 km (0.062 R)
• M22: 25,656,035 km (0.101 R)
• M23: 27,633,120 km (0.104 R)
• M24: 28,597,727 km (0.069 R)
• M25: 39,208,854 km (0.077 R)
• M26: 40,426,281 km (0.064 R)
• M27: 45,882,116 km (0.079 R)
• M28: 55,333,560 km (0.099 R)
• M29: 58,817,096 km (0.052 R)
• M30: 62,238,698 km (0.098 R)
• M31: 67,508,134 km (0.071 R)
• M32: 70,139,859 km (0.093 R)
• M33: 77,966,670 km (0.05 R)
• M34: 80,618,293 km (0.082 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 267 - 11,067 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit