🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.2

Radius: 13.6

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.6 AU - 0.78 AU

Year: 382 Days

Day: 6.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,761,427 km

• M1: 169,195 km (0.087 R)
• M2: 607,966 km (0.107 R)
• M3: 1,103,135 km (0.106 R)
• M4: 1,675,496 km (0.11 R)
• M5: 2,770,403 km (0.118 R)
• M6: 3,331,694 km (0.116 R)
• M7: 3,827,910 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.4

Radius: 10.3

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.93 AU - 1.03 AU

Year: 647 Days

Day: 12.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,761,427 km

• M1: 128,505 km (0.083 R)
• M2: 511,176 km (0.076 R)
• M3: 1,161,927 km (0.069 R)
• M4: 1,697,038 km (0.04 R)
• M5: 2,798,079 km (0.064 R)
• M6: 3,311,798 km (0.115 R)
• M7: 4,079,684 km (0.054 R)
• M8: 4,695,578 km (0.087 R)
• M9: 5,612,015 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.8

Radius: 8.7

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.1 AU - 1.7 AU

Year: 1105 Days

Day: 12.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,761,427 km

• M1: 108,608 km (0.07 R)
• M2: 406,158 km (0.082 R)
• M3: 853,456 km (0.042 R)
• M4: 1,242,859 km (0.097 R)
• M5: 1,666,520 km (0.075 R)
• M6: 1,948,961 km (0.108 R)
• M7: 2,396,707 km (0.063 R)
• M8: 2,972,210 km (0.038 R)
• M9: 3,567,460 km (0.092 R)
• M10: 4,959,917 km (0.105 R)
• M11: 5,331,070 km (0.111 R)
• M12: 8,009,769 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.3

Radius: 12.3

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.16 AU - 3.88 AU

Year: 4404 Days

Day: 11.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,761,427 km

• M1: 153,039 km (0.048 R)
• M2: 672,293 km (0.08 R)
• M3: 1,301,352 km (0.099 R)
• M4: 2,432,461 km (0.092 R)
• M5: 2,836,525 km (0.099 R)
• M6: 3,528,116 km (0.107 R)
• M7: 4,177,072 km (0.087 R)
• M8: 5,025,441 km (0.05 R)
• M9: 6,068,138 km (0.064 R)
• M10: 6,789,948 km (0.111 R)
• M11: 7,249,962 km (0.112 R)
• M12: 9,265,494 km (0.104 R)
• M13: 9,948,558 km (0.065 R)
• M14: 12,698,765 km (0.052 R)
• M15: 13,977,677 km (0.048 R)
• M16: 15,920,654 km (0.112 R)
• M17: 17,749,039 km (0.102 R)
• M18: 18,270,986 km (0.077 R)
• M19: 20,844,070 km (0.035 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.3

Radius: 11.9

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.87 AU - 4.21 AU

Year: 5415 Days

Day: 15 Hours

Environment

Temp: -227 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 49,761,427 km

• M1: 149,149 km (0.118 R)
• M2: 725,101 km (0.066 R)
• M3: 1,726,359 km (0.08 R)
• M4: 2,671,818 km (0.086 R)
• M5: 3,351,591 km (0.095 R)
• M6: 4,049,914 km (0.081 R)
• M7: 4,434,230 km (0.067 R)
• M8: 5,002,852 km (0.091 R)
• M9: 5,736,929 km (0.114 R)
• M10: 6,192,305 km (0.098 R)
• M11: 7,107,395 km (0.097 R)
• M12: 7,851,195 km (0.094 R)
• M13: 8,452,130 km (0.113 R)
• M14: 10,133,012 km (0.055 R)
• M15: 10,983,176 km (0.105 R)
• M16: 12,272,561 km (0.07 R)
• M17: 12,825,923 km (0.086 R)
• M18: 15,787,362 km (0.12 R)
• M19: 16,807,022 km (0.058 R)
• M20: 20,338,130 km (0.099 R)
• M21: 21,762,750 km (0.12 R)
• M22: 25,290,418 km (0.052 R)
• M23: 26,518,766 km (0.114 R)
• M24: 29,628,307 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.7

Radius: 13.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 4.87 AU - 5.47 AU

Year: 7839 Days

Day: 12.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,761,427 km

• M1: 172,935 km (0.056 R)
• M2: 608,415 km (0.09 R)
• M3: 1,509,293 km (0.073 R)
• M4: 2,054,428 km (0.107 R)
• M5: 2,678,999 km (0.099 R)
• M6: 3,170,428 km (0.097 R)
• M7: 5,182,220 km (0.082 R)
• M8: 7,198,350 km (0.115 R)
• M9: 7,901,610 km (0.057 R)
• M10: 8,727,540 km (0.112 R)
• M11: 9,445,759 km (0.117 R)
• M12: 9,946,014 km (0.076 R)
• M13: 10,508,054 km (0.082 R)
• M14: 11,182,890 km (0.109 R)
• M15: 11,886,448 km (0.043 R)
• M16: 13,434,188 km (0.09 R)
• M17: 19,477,493 km (0.096 R)
• M18: 21,408,802 km (0.099 R)
• M19: 22,128,667 km (0.116 R)
• M20: 25,810,719 km (0.059 R)
• M21: 28,223,134 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 560.4

Radius: 3.6

Gravity: 43.24 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 6.55 AU - 6.95 AU

Year: 11695 Days

Day: 24.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 49,761,427 km

• M1: 44,730 km (0.096 R)
• M2: 159,172 km (0.087 R)
• M3: 454,628 km (0.102 R)
• M4: 574,157 km (0.115 R)
• M5: 849,866 km (0.093 R)
• M6: 1,441,525 km (0.08 R)
• M7: 1,628,522 km (0.116 R)
• M8: 2,033,484 km (0.103 R)
• M9: 7,157,061 km (0.11 R)
• M10: 8,498,206 km (0.108 R)
• M11: 8,682,660 km (0.07 R)
• M12: 10,359,653 km (0.073 R)
• M13: 10,570,286 km (0.111 R)
• M14: 10,945,478 km (0.096 R)
• M15: 13,077,696 km (0.118 R)
• M16: 18,834,372 km (0.065 R)
• M17: 19,785,515 km (0.063 R)
• M18: 29,723,003 km (0.087 R)
• M19: 30,469,346 km (0.068 R)
• M20: 31,557,222 km (0.096 R)
• M21: 33,237,057 km (0.083 R)
• M22: 38,380,979 km (0.054 R)
• M23: 40,552,991 km (0.059 R)
• M24: 42,940,423 km (0.094 R)
• M25: 44,168,472 km (0.084 R)
• M26: 48,724,625 km (0.082 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 16,041 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit