🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.5

Radius: 11.6

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.61 AU - 0.63 AU

Year: 331 Days

Day: 6.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 122.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 70,873,011 km

• M1: 144,811 km (0.119 R)
• M2: 523,144 km (0.047 R)
• M3: 918,830 km (0.034 R)
• M4: 3,174,916 km (0.116 R)
• M5: 3,645,401 km (0.067 R)
• M6: 4,684,358 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.1

Radius: 15

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.73 AU - 0.75 AU

Year: 432 Days

Day: 14.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,873,011 km

• M1: 186,549 km (0.033 R)
• M2: 755,768 km (0.117 R)
• M3: 1,630,018 km (0.025 R)
• M4: 2,124,439 km (0.053 R)
• M5: 2,612,128 km (0.108 R)
• M6: 3,087,102 km (0.057 R)
• M7: 3,819,982 km (0.115 R)
• M8: 4,579,789 km (0.106 R)
• M9: 5,167,110 km (0.048 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 489

Radius: 6

Gravity: 13.58 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 6.86 AU - 7.68 AU

Year: 13295 Days

Day: 23.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 70,873,011 km

• M1: 74,649 km (0.116 R)
• M2: 553,662 km (0.102 R)
• M3: 863,479 km (0.098 R)
• M4: 1,336,059 km (0.118 R)
• M5: 3,190,175 km (0.045 R)
• M6: 3,771,362 km (0.098 R)
• M7: 4,540,894 km (0.076 R)
• M8: 4,978,767 km (0.103 R)
• M9: 5,444,615 km (0.114 R)
• M10: 5,688,010 km (0.113 R)
• M11: 6,385,884 km (0.099 R)
• M12: 7,389,237 km (0.049 R)
• M13: 7,687,984 km (0.104 R)
• M14: 8,679,818 km (0.072 R)
• M15: 9,109,314 km (0.095 R)
• M16: 10,376,408 km (0.089 R)
• M17: 12,164,401 km (0.043 R)
• M18: 14,809,740 km (0.118 R)
• M19: 16,123,359 km (0.102 R)
• M20: 20,195,413 km (0.069 R)
• M21: 20,611,595 km (0.109 R)
• M22: 23,230,455 km (0.116 R)
• M23: 26,955,442 km (0.104 R)
• M24: 27,460,185 km (0.093 R)
• M25: 28,696,911 km (0.04 R)
• M26: 30,730,395 km (0.109 R)
• M27: 33,899,326 km (0.081 R)
• M28: 34,487,246 km (0.111 R)
• M29: 39,566,991 km (0.058 R)
• M30: 42,081,432 km (0.059 R)
• M31: 42,624,024 km (0.074 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 690.9

Radius: 6.4

Gravity: 16.87 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 6.7 AU - 8.8 AU

Year: 14633 Days

Day: 24.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 70,873,011 km

• M1: 79,736 km (0.112 R)
• M2: 301,290 km (0.107 R)
• M3: 612,753 km (0.102 R)
• M4: 892,950 km (0.047 R)
• M5: 1,338,602 km (0.095 R)
• M6: 1,652,009 km (0.053 R)
• M7: 1,958,984 km (0.036 R)
• M8: 2,665,086 km (0.11 R)
• M9: 3,039,380 km (0.106 R)
• M10: 3,806,967 km (0.062 R)
• M11: 4,829,767 km (0.102 R)
• M12: 5,870,071 km (0.098 R)
• M13: 6,586,495 km (0.064 R)
• M14: 8,881,177 km (0.059 R)
• M15: 9,608,372 km (0.038 R)
• M16: 10,151,712 km (0.101 R)
• M17: 12,531,514 km (0.082 R)
• M18: 16,761,394 km (0.08 R)
• M19: 21,213,427 km (0.09 R)
• M20: 22,603,341 km (0.119 R)
• M21: 23,465,922 km (0.094 R)
• M22: 26,080,743 km (0.027 R)
• M23: 27,674,260 km (0.076 R)
• M24: 27,891,625 km (0.115 R)
• M25: 30,127,515 km (0.086 R)
• M26: 30,937,438 km (0.099 R)
• M27: 37,414,577 km (0.065 R)
• M28: 37,813,704 km (0.089 R)
• M29: 39,851,676 km (0.096 R)
• M30: 42,536,808 km (0.078 R)
• M31: 45,039,431 km (0.04 R)
• M32: 51,804,396 km (0.082 R)
• M33: 53,133,424 km (0.107 R)
• M34: 54,145,005 km (0.112 R)
• M35: 55,341,339 km (0.093 R)
• M36: 59,576,903 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 967.1

Radius: 7.8

Gravity: 15.9 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 7.44 AU - 10.24 AU

Year: 17827 Days

Day: 18.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,873,011 km

• M1: 99,333 km (0.057 R)
• M2: 542,292 km (0.034 R)
• M3: 1,174,942 km (0.068 R)
• M4: 2,472,105 km (0.109 R)
• M5: 2,733,153 km (0.114 R)
• M6: 4,000,097 km (0.077 R)
• M7: 5,226,650 km (0.039 R)
• M8: 6,915,311 km (0.091 R)
• M9: 7,340,319 km (0.091 R)
• M10: 8,612,798 km (0.118 R)
• M11: 10,326,591 km (0.113 R)
• M12: 11,719,796 km (0.039 R)
• M13: 12,053,100 km (0.087 R)
• M14: 12,392,688 km (0.083 R)
• M15: 18,463,818 km (0.096 R)
• M16: 24,706,088 km (0.082 R)
• M17: 30,687,759 km (0.078 R)
• M18: 35,308,688 km (0.057 R)
• M19: 37,136,923 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 399.6

Radius: 5.1

Gravity: 15.36 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 10.48 AU - 10.8 AU

Year: 23540 Days

Day: 23.9 Hours

Environment

Temp: -246 °C

Axial Tilt: 170.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 70,873,011 km

• M1: 64,925 km (0.09 R)
• M2: 261,946 km (0.113 R)
• M3: 483,351 km (0.089 R)
• M4: 664,514 km (0.107 R)
• M5: 1,018,014 km (0.081 R)
• M6: 1,210,097 km (0.064 R)
• M7: 1,457,233 km (0.059 R)
• M8: 2,319,066 km (0.083 R)
• M9: 4,837,397 km (0.106 R)
• M10: 6,177,943 km (0.1 R)
• M11: 6,645,885 km (0.054 R)
• M12: 8,292,509 km (0.104 R)
• M13: 10,135,106 km (0.099 R)
• M14: 10,785,408 km (0.119 R)
• M15: 12,498,752 km (0.12 R)
• M16: 12,902,667 km (0.083 R)
• M17: 14,167,068 km (0.088 R)
• M18: 18,279,813 km (0.107 R)
• M19: 22,328,230 km (0.12 R)
• M20: 24,040,228 km (0.064 R)
• M21: 24,247,122 km (0.074 R)
• M22: 33,279,991 km (0.057 R)
• M23: 34,842,840 km (0.115 R)
• M24: 35,241,070 km (0.052 R)
• M25: 35,911,567 km (0.111 R)
• M26: 36,454,009 km (0.105 R)
• M27: 37,277,994 km (0.107 R)
• M28: 42,483,851 km (0.081 R)
• M29: 50,319,338 km (0.087 R)
• M30: 53,247,716 km (0.074 R)
• M31: 59,064,680 km (0.068 R)
• M32: 67,940,471 km (0.103 R)
• M33: 69,396,358 km (0.117 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 18,204 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit