🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.5

Radius: 10.1

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.54 AU - 0.86 AU

Year: 412 Days

Day: 12.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,703,170 km

• M1: 125,662 km (0.107 R)
• M2: 466,297 km (0.076 R)
• M3: 827,875 km (0.098 R)
• M4: 1,255,575 km (0.117 R)
• M5: 1,995,636 km (0.071 R)
• M6: 2,396,408 km (0.119 R)
• M7: 3,475,607 km (0.065 R)
• M8: 3,945,494 km (0.084 R)
• M9: 4,335,346 km (0.043 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143

Radius: 10.7

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.27 AU - 1.69 AU

Year: 1266 Days

Day: 9.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,703,170 km

• M1: 133,441 km (0.094 R)
• M2: 483,650 km (0.038 R)
• M3: 858,841 km (0.027 R)
• M4: 1,228,498 km (0.088 R)
• M5: 1,622,389 km (0.073 R)
• M6: 1,985,762 km (0.073 R)
• M7: 2,414,061 km (0.103 R)
• M8: 3,614,584 km (0.116 R)
• M9: 4,068,763 km (0.096 R)
• M10: 4,607,465 km (0.037 R)
• M11: 5,058,951 km (0.089 R)
• M12: 5,593,016 km (0.049 R)
• M13: 6,260,222 km (0.105 R)
• M14: 6,613,123 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.3

Radius: 9.9

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.45 AU - 1.91 AU

Year: 1531 Days

Day: 11.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,703,170 km

• M1: 123,269 km (0.065 R)
• M2: 525,089 km (0.061 R)
• M3: 848,818 km (0.117 R)
• M4: 1,194,090 km (0.095 R)
• M5: 2,095,417 km (0.065 R)
• M6: 2,681,991 km (0.087 R)
• M7: 3,142,602 km (0.064 R)
• M8: 3,519,140 km (0.116 R)
• M9: 4,209,385 km (0.082 R)
• M10: 5,585,536 km (0.038 R)
• M11: 5,945,767 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.4

Radius: 14.7

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.3 AU - 3.86 AU

Year: 4761 Days

Day: 5.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,703,170 km

• M1: 356,791 km (0.108 R)
• M2: 1,126,023 km (0.073 R)
• M3: 2,102,598 km (0.085 R)
• M4: 2,597,169 km (0.073 R)
• M5: 4,142,814 km (0.119 R)
• M6: 6,176,298 km (0.064 R)
• M7: 7,764,279 km (0.087 R)
• M8: 9,123,825 km (0.118 R)
• M9: 10,504,613 km (0.057 R)
• M10: 11,268,310 km (0.12 R)
• M11: 12,756,210 km (0.119 R)
• M12: 14,426,022 km (0.118 R)
• M13: 16,713,074 km (0.112 R)
• M14: 19,564,559 km (0.059 R)
• M15: 26,133,701 km (0.03 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624

Radius: 13.2

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.44 AU - 4.18 AU

Year: 5228 Days

Day: 9.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,703,170 km

• M1: 164,109 km (0.103 R)
• M2: 594,502 km (0.067 R)
• M3: 1,156,092 km (0.09 R)
• M4: 1,758,224 km (0.079 R)
• M5: 2,246,212 km (0.088 R)
• M6: 2,896,813 km (0.086 R)
• M7: 3,522,282 km (0.105 R)
• M8: 4,095,541 km (0.069 R)
• M9: 5,458,976 km (0.103 R)
• M10: 7,173,816 km (0.098 R)
• M11: 9,023,145 km (0.118 R)
• M12: 9,593,562 km (0.099 R)
• M13: 10,942,935 km (0.081 R)
• M14: 12,464,644 km (0.091 R)
• M15: 13,070,366 km (0.106 R)
• M16: 16,881,073 km (0.111 R)
• M17: 17,373,399 km (0.033 R)
• M18: 18,193,794 km (0.059 R)
• M19: 19,708,173 km (0.12 R)
• M20: 20,185,390 km (0.073 R)
• M21: 20,880,572 km (0.064 R)
• M22: 25,151,890 km (0.084 R)
• M23: 29,174,128 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.2

Radius: 9.3

Gravity: 9.54 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.46 AU - 5.74 AU

Year: 6935 Days

Day: 7.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 58,703,170 km

• M1: 115,938 km (0.074 R)
• M2: 458,966 km (0.045 R)
• M3: 784,192 km (0.048 R)
• M4: 1,809,386 km (0.109 R)
• M5: 2,216,741 km (0.102 R)
• M6: 2,627,537 km (0.12 R)
• M7: 3,195,859 km (0.12 R)
• M8: 3,698,209 km (0.094 R)
• M9: 4,095,990 km (0.049 R)
• M10: 5,096,201 km (0.09 R)
• M11: 5,621,589 km (0.11 R)
• M12: 5,947,263 km (0.066 R)
• M13: 6,817,325 km (0.034 R)
• M14: 8,092,497 km (0.096 R)
• M15: 9,293,469 km (0.072 R)
• M16: 9,657,590 km (0.114 R)
• M17: 10,511,644 km (0.058 R)
• M18: 11,727,575 km (0.088 R)
• M19: 14,376,206 km (0.114 R)
• M20: 20,211,271 km (0.087 R)
• M21: 23,815,682 km (0.104 R)
• M22: 24,498,447 km (0.072 R)
• M23: 27,640,002 km (0.087 R)
• M24: 29,065,071 km (0.114 R)
• M25: 30,339,196 km (0.073 R)
• M26: 31,141,490 km (0.111 R)
• M27: 34,169,051 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 809.9

Radius: 7.1

Gravity: 16.07 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 5.39 AU - 8.21 AU

Year: 12464 Days

Day: 22.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,703,170 km

• M1: 97,089 km (0.107 R)
• M2: 366,216 km (0.118 R)
• M3: 720,912 km (0.116 R)
• M4: 1,048,831 km (0.036 R)
• M5: 1,623,885 km (0.095 R)
• M6: 2,175,602 km (0.102 R)
• M7: 2,601,357 km (0.057 R)
• M8: 3,381,361 km (0.105 R)
• M9: 4,813,910 km (0.1 R)
• M10: 5,218,722 km (0.036 R)
• M11: 5,573,269 km (0.088 R)
• M12: 6,291,189 km (0.087 R)
• M13: 6,570,638 km (0.086 R)
• M14: 8,716,320 km (0.067 R)
• M15: 10,108,777 km (0.102 R)
• M16: 22,984,366 km (0.117 R)
• M17: 27,372,670 km (0.082 R)
• M18: 31,354,218 km (0.069 R)
• M19: 34,458,673 km (0.064 R)
• M20: 34,829,526 km (0.072 R)
• M21: 38,420,772 km (0.105 R)
• M22: 45,433,921 km (0.098 R)
• M23: 46,479,161 km (0.057 R)
• M24: 54,751,026 km (0.097 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: 525 - 20,417 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit