🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.8

Radius: 9.2

Gravity: 9.07 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.71 AU - 0.73 AU

Year: 414 Days

Day: 5.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,134,118 km

• M1: 114,442 km (0.101 R)
• M2: 408,253 km (0.099 R)
• M3: 769,232 km (0.079 R)
• M4: 1,108,670 km (0.052 R)
• M5: 1,409,362 km (0.047 R)
• M6: 1,881,193 km (0.085 R)
• M7: 2,551,990 km (0.086 R)
• M8: 3,153,673 km (0.103 R)
• M9: 3,543,525 km (0.109 R)
• M10: 3,912,433 km (0.054 R)
• M11: 4,971,586 km (0.085 R)
• M12: 5,320,598 km (0.098 R)
• M13: 5,720,024 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.3

Radius: 10.8

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.69 AU - 2.73 AU

Year: 3026 Days

Day: 10.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,134,118 km

• M1: 137,032 km (0.067 R)
• M2: 510,578 km (0.099 R)
• M3: 916,437 km (0.045 R)
• M4: 1,531,733 km (0.056 R)
• M5: 2,035,279 km (0.036 R)
• M6: 2,662,992 km (0.091 R)
• M7: 3,005,870 km (0.092 R)
• M8: 3,624,457 km (0.088 R)
• M9: 4,414,334 km (0.12 R)
• M10: 4,826,775 km (0.113 R)
• M11: 7,258,489 km (0.073 R)
• M12: 7,867,950 km (0.111 R)
• M13: 8,338,585 km (0.082 R)
• M14: 10,253,288 km (0.103 R)
• M15: 13,177,927 km (0.041 R)
• M16: 13,890,910 km (0.113 R)
• M17: 21,902,624 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.6

Radius: 11.5

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.87 AU - 3.67 AU

Year: 4011 Days

Day: 7.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 73,134,118 km

• M1: 143,913 km (0.03 R)
• M2: 617,091 km (0.09 R)
• M3: 996,172 km (0.099 R)
• M4: 1,441,675 km (0.112 R)
• M5: 1,803,253 km (0.108 R)
• M6: 2,298,422 km (0.03 R)
• M7: 2,900,553 km (0.099 R)
• M8: 3,314,490 km (0.058 R)
• M9: 3,871,892 km (0.108 R)
• M10: 4,751,677 km (0.099 R)
• M11: 5,732,590 km (0.105 R)
• M12: 6,418,646 km (0.105 R)
• M13: 7,255,048 km (0.091 R)
• M14: 7,649,538 km (0.104 R)
• M15: 8,058,239 km (0.098 R)
• M16: 8,735,319 km (0.113 R)
• M17: 9,106,621 km (0.118 R)
• M18: 9,960,974 km (0.089 R)
• M19: 11,341,763 km (0.113 R)
• M20: 11,874,331 km (0.089 R)
• M21: 13,230,136 km (0.116 R)
• M22: 14,376,954 km (0.088 R)
• M23: 16,025,971 km (0.096 R)
• M24: 16,640,370 km (0.041 R)
• M25: 18,396,050 km (0.118 R)
• M26: 18,946,122 km (0.071 R)
• M27: 20,401,559 km (0.094 R)
• M28: 21,123,519 km (0.104 R)
• M29: 23,605,646 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.4

Radius: 9.3

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.26 AU - 4.62 AU

Year: 6345 Days

Day: 5.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,134,118 km

• M1: 128,804 km (0.082 R)
• M2: 676,482 km (0.113 R)
• M3: 1,259,913 km (0.059 R)
• M4: 1,884,484 km (0.104 R)
• M5: 2,236,638 km (0.065 R)
• M6: 4,380,824 km (0.082 R)
• M7: 5,314,614 km (0.092 R)
• M8: 6,401,293 km (0.091 R)
• M9: 6,821,364 km (0.112 R)
• M10: 8,012,163 km (0.071 R)
• M11: 12,818,593 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 462.6

Radius: 6.9

Gravity: 9.72 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 5.3 AU - 8.08 AU

Year: 11736 Days

Day: 16.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 73,134,118 km

• M1: 85,869 km (0.093 R)
• M2: 311,313 km (0.075 R)
• M3: 815,608 km (0.101 R)
• M4: 1,100,143 km (0.104 R)
• M5: 1,437,187 km (0.085 R)
• M6: 2,210,907 km (0.038 R)
• M7: 2,588,342 km (0.088 R)
• M8: 3,211,417 km (0.09 R)
• M9: 5,614,258 km (0.061 R)
• M10: 6,029,692 km (0.112 R)
• M11: 6,805,656 km (0.112 R)
• M12: 7,118,166 km (0.061 R)
• M13: 7,522,080 km (0.098 R)
• M14: 8,964,802 km (0.03 R)
• M15: 13,150,401 km (0.068 R)
• M16: 15,495,497 km (0.062 R)
• M17: 17,014,813 km (0.12 R)
• M18: 18,555,073 km (0.117 R)
• M19: 20,426,692 km (0.085 R)
• M20: 21,159,871 km (0.116 R)
• M21: 22,678,588 km (0.115 R)
• M22: 24,088,399 km (0.091 R)
• M23: 25,743,250 km (0.111 R)
• M24: 27,374,316 km (0.114 R)
• M25: 28,465,782 km (0.034 R)
• M26: 30,313,914 km (0.113 R)
• M27: 30,629,416 km (0.064 R)
• M28: 31,053,676 km (0.086 R)
• M29: 31,481,825 km (0.078 R)
• M30: 36,099,612 km (0.088 R)
• M31: 38,139,977 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 503.6

Radius: 3.3

Gravity: 46.24 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 6.65 AU - 6.89 AU

Year: 11947 Days

Day: 19.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 73,134,118 km

• M1: 42,187 km (0.091 R)
• M2: 147,952 km (0.107 R)
• M3: 259,702 km (0.066 R)
• M4: 756,816 km (0.039 R)
• M5: 926,460 km (0.064 R)
• M6: 1,303,297 km (0.099 R)
• M7: 1,727,257 km (0.087 R)
• M8: 2,181,885 km (0.1 R)
• M9: 2,566,651 km (0.119 R)
• M10: 3,274,099 km (0.103 R)
• M11: 3,469,474 km (0.111 R)
• M12: 3,830,154 km (0.04 R)
• M13: 3,937,566 km (0.09 R)
• M14: 4,243,643 km (0.065 R)
• M15: 6,497,036 km (0.067 R)
• M16: 7,204,933 km (0.115 R)
• M17: 8,182,555 km (0.069 R)
• M18: 9,935,243 km (0.103 R)
• M19: 10,765,063 km (0.088 R)
• M20: 12,443,700 km (0.096 R)
• M21: 15,752,656 km (0.119 R)
• M22: 16,098,676 km (0.053 R)
• M23: 16,877,781 km (0.105 R)
• M24: 17,607,669 km (0.106 R)
• M25: 19,208,367 km (0.115 R)
• M26: 21,744,499 km (0.113 R)
• M27: 24,772,959 km (0.093 R)
• M28: 25,905,564 km (0.1 R)
• M29: 27,768,656 km (0.106 R)
• M30: 28,273,399 km (0.055 R)
• M31: 30,247,193 km (0.054 R)
• M32: 31,105,137 km (0.113 R)
• M33: 40,335,475 km (0.109 R)
• M34: 40,464,429 km (0.042 R)
• M35: 43,369,619 km (0.116 R)
• M36: 46,269,425 km (0.093 R)
• M37: 48,127,879 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 742.7

Radius: 6.8

Gravity: 16.06 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 6.75 AU - 11.11 AU

Year: 18100 Days

Day: 17.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 61.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,134,118 km

• M1: 109,655 km (0.061 R)
• M2: 456,274 km (0.101 R)
• M3: 1,044,792 km (0.092 R)
• M4: 1,740,272 km (0.069 R)
• M5: 2,955,755 km (0.119 R)
• M6: 6,139,048 km (0.075 R)
• M7: 6,965,576 km (0.1 R)
• M8: 8,944,606 km (0.093 R)
• M9: 14,559,762 km (0.081 R)
• M10: 19,144,488 km (0.081 R)
• M11: 20,053,295 km (0.107 R)
• M12: 26,451,447 km (0.113 R)
• M13: 27,922,143 km (0.105 R)
• M14: 30,779,313 km (0.039 R)
• M15: 35,421,335 km (0.102 R)
• M16: 35,964,226 km (0.104 R)
• M17: 41,103,062 km (0.116 R)
• M18: 50,035,701 km (0.12 R)
• M19: 51,235,775 km (0.08 R)
• M20: 54,230,126 km (0.098 R)
• M21: 54,770,473 km (0.101 R)
• M22: 70,749,919 km (0.094 R)
• M23: 72,043,791 km (0.114 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 266 - 17,836 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit