🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.2

Radius: 8.1

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.8 AU - 1.22 AU

Year: 677 Days

Day: 7.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 88,499,739 km

• M1: 100,679 km (0.12 R)
• M2: 409,150 km (0.111 R)
• M3: 773,870 km (0.109 R)
• M4: 1,182,571 km (0.101 R)
• M5: 1,437,636 km (0.094 R)
• M6: 1,714,392 km (0.085 R)
• M7: 2,053,231 km (0.094 R)
• M8: 3,083,063 km (0.098 R)
• M9: 3,347,103 km (0.104 R)
• M10: 3,866,357 km (0.083 R)
• M11: 4,260,996 km (0.088 R)
• M12: 4,728,938 km (0.085 R)
• M13: 5,130,908 km (0.095 R)
• M14: 5,785,548 km (0.072 R)
• M15: 6,340,706 km (0.105 R)
• M16: 6,611,627 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.9

Radius: 12.5

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.36 AU - 1.92 AU

Year: 1401 Days

Day: 5.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 88,499,739 km

• M1: 155,582 km (0.105 R)
• M2: 581,637 km (0.089 R)
• M3: 1,009,187 km (0.09 R)
• M4: 1,491,640 km (0.108 R)
• M5: 2,193,703 km (0.106 R)
• M6: 2,653,417 km (0.118 R)
• M7: 3,206,182 km (0.088 R)
• M8: 4,102,123 km (0.052 R)
• M9: 4,768,731 km (0.052 R)
• M10: 5,238,768 km (0.109 R)
• M11: 5,980,175 km (0.116 R)
• M12: 6,481,029 km (0.047 R)
• M13: 7,234,553 km (0.116 R)
• M14: 7,671,977 km (0.101 R)
• M15: 8,072,750 km (0.093 R)
• M16: 8,945,354 km (0.072 R)
• M17: 9,541,053 km (0.108 R)
• M18: 10,226,810 km (0.094 R)
• M19: 10,845,247 km (0.105 R)
• M20: 11,662,052 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.3

Radius: 8.8

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.7 AU - 2.02 AU

Year: 1692 Days

Day: 7.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 88,499,739 km

• M1: 109,506 km (0.082 R)
• M2: 465,249 km (0.118 R)
• M3: 950,545 km (0.11 R)
• M4: 1,234,482 km (0.084 R)
• M5: 1,548,188 km (0.09 R)
• M6: 1,980,377 km (0.082 R)
• M7: 2,662,393 km (0.067 R)
• M8: 3,476,505 km (0.075 R)
• M9: 4,111,697 km (0.102 R)
• M10: 4,661,918 km (0.073 R)
• M11: 5,069,423 km (0.105 R)
• M12: 5,434,292 km (0.057 R)
• M13: 7,976,110 km (0.105 R)
• M14: 9,109,613 km (0.032 R)
• M15: 10,077,810 km (0.074 R)
• M16: 10,483,669 km (0.087 R)
• M17: 10,935,754 km (0.073 R)
• M18: 11,256,193 km (0.118 R)
• M19: 11,767,219 km (0.109 R)
• M20: 13,112,553 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.3

Radius: 12.3

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.45 AU - 4.61 AU

Year: 5395 Days

Day: 8.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 88,499,739 km

• M1: 153,039 km (0.09 R)
• M2: 557,252 km (0.076 R)
• M3: 1,316,312 km (0.068 R)
• M4: 1,792,631 km (0.114 R)
• M5: 2,255,936 km (0.054 R)
• M6: 2,673,314 km (0.065 R)
• M7: 3,182,246 km (0.09 R)
• M8: 3,938,164 km (0.086 R)
• M9: 4,371,848 km (0.089 R)
• M10: 5,165,914 km (0.103 R)
• M11: 6,243,168 km (0.059 R)
• M12: 6,633,918 km (0.052 R)
• M13: 7,682,898 km (0.108 R)
• M14: 8,639,127 km (0.116 R)
• M15: 10,153,207 km (0.07 R)
• M16: 10,603,497 km (0.094 R)
• M17: 13,324,084 km (0.116 R)
• M18: 13,919,483 km (0.1 R)
• M19: 16,603,419 km (0.113 R)
• M20: 17,612,905 km (0.046 R)
• M21: 18,330,377 km (0.1 R)
• M22: 19,340,013 km (0.098 R)
• M23: 21,250,228 km (0.112 R)
• M24: 21,914,143 km (0.107 R)
• M25: 31,184,275 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.4

Radius: 14.2

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.77 AU - 5.01 AU

Year: 6134 Days

Day: 14.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 88,499,739 km

• M1: 176,675 km (0.105 R)
• M2: 945,608 km (0.104 R)
• M3: 1,397,693 km (0.108 R)
• M4: 2,107,834 km (0.043 R)
• M5: 2,752,900 km (0.075 R)
• M6: 4,443,655 km (0.099 R)
• M7: 6,501,224 km (0.093 R)
• M8: 7,223,333 km (0.088 R)
• M9: 8,448,091 km (0.101 R)
• M10: 9,899,489 km (0.12 R)
• M11: 12,032,905 km (0.085 R)
• M12: 12,679,467 km (0.106 R)
• M13: 13,235,971 km (0.086 R)
• M14: 13,866,825 km (0.088 R)
• M15: 14,338,208 km (0.115 R)
• M16: 15,250,905 km (0.088 R)
• M17: 19,586,251 km (0.063 R)
• M18: 22,274,824 km (0.034 R)
• M19: 24,682,153 km (0.082 R)
• M20: 25,904,218 km (0.118 R)
• M21: 26,710,999 km (0.11 R)
• M22: 27,258,078 km (0.094 R)
• M23: 28,753,608 km (0.058 R)
• M24: 29,910,598 km (0.086 R)
• M25: 32,627,445 km (0.105 R)
• M26: 34,635,198 km (0.045 R)
• M27: 35,286,099 km (0.058 R)
• M28: 36,166,482 km (0.12 R)
• M29: 38,316,353 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 509.9

Radius: 6.6

Gravity: 11.71 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 5.34 AU - 6.52 AU

Year: 9630 Days

Day: 16.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 88,499,739 km

• M1: 242,648 km (0.047 R)
• M2: 570,117 km (0.064 R)
• M3: 1,178,532 km (0.04 R)
• M4: 2,570,839 km (0.072 R)
• M5: 2,953,660 km (0.091 R)
• M6: 4,584,726 km (0.083 R)
• M7: 4,965,453 km (0.113 R)
• M8: 6,200,084 km (0.037 R)
• M9: 7,427,833 km (0.038 R)
• M10: 7,911,932 km (0.1 R)
• M11: 12,017,646 km (0.12 R)
• M12: 13,850,818 km (0.119 R)
• M13: 18,205,612 km (0.107 R)
• M14: 18,715,142 km (0.067 R)
• M15: 19,159,298 km (0.042 R)
• M16: 23,564,657 km (0.097 R)
• M17: 27,256,582 km (0.073 R)
• M18: 29,487,835 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 531.4

Radius: 4.4

Gravity: 27.45 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 5.45 AU - 7.43 AU

Year: 10898 Days

Day: 19.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 121.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 88,499,739 km

• M1: 54,753 km (0.085 R)
• M2: 196,721 km (0.102 R)
• M3: 427,401 km (0.108 R)
• M4: 714,928 km (0.072 R)
• M5: 1,055,712 km (0.113 R)
• M6: 1,415,944 km (0.072 R)
• M7: 1,806,245 km (0.09 R)
• M8: 2,228,260 km (0.116 R)
• M9: 2,531,196 km (0.077 R)
• M10: 2,775,938 km (0.102 R)
• M11: 2,947,826 km (0.119 R)
• M12: 3,942,652 km (0.101 R)
• M13: 4,104,966 km (0.061 R)
• M14: 5,304,142 km (0.058 R)
• M15: 6,090,429 km (0.08 R)
• M16: 8,682,511 km (0.116 R)
• M17: 9,144,619 km (0.096 R)
• M18: 10,320,308 km (0.068 R)
• M19: 11,927,139 km (0.087 R)
• M20: 14,004,006 km (0.073 R)
• M21: 15,094,575 km (0.025 R)
• M22: 16,729,081 km (0.107 R)
• M23: 24,630,541 km (0.058 R)
• M24: 25,367,760 km (0.058 R)
• M25: 26,214,484 km (0.104 R)
• M26: 27,177,445 km (0.117 R)
• M27: 31,158,095 km (0.066 R)
• M28: 31,695,002 km (0.105 R)
• M29: 38,135,639 km (0.114 R)
• M30: 43,368,124 km (0.049 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 742.5

Radius: 4.8

Gravity: 32.23 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 9.86 AU - 12 AU

Year: 24097 Days

Day: 24.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 88,499,739 km

• M1: 59,690 km (0.04 R)
• M2: 464,202 km (0.075 R)
• M3: 1,067,082 km (0.114 R)
• M4: 1,491,940 km (0.076 R)
• M5: 2,239,031 km (0.105 R)
• M6: 2,618,711 km (0.107 R)
• M7: 3,884,159 km (0.085 R)
• M8: 4,290,018 km (0.115 R)
• M9: 5,106,673 km (0.076 R)
• M10: 5,468,999 km (0.096 R)
• M11: 6,848,890 km (0.087 R)
• M12: 9,183,364 km (0.06 R)
• M13: 10,025,002 km (0.119 R)
• M14: 11,999,544 km (0.119 R)
• M15: 16,180,954 km (0.112 R)
• M16: 17,315,355 km (0.052 R)
• M17: 23,901,850 km (0.069 R)
• M18: 24,124,003 km (0.102 R)
• M19: 28,735,806 km (0.117 R)
• M20: 31,713,402 km (0.066 R)
• M21: 32,522,577 km (0.085 R)
• M22: 40,592,933 km (0.111 R)
• M23: 50,263,837 km (0.099 R)
• M24: 52,478,484 km (0.112 R)
• M25: 53,230,812 km (0.082 R)
• M26: 54,757,159 km (0.051 R)
• M27: 56,116,555 km (0.112 R)
• M28: 57,101,058 km (0.114 R)
• M29: 57,697,356 km (0.108 R)
• M30: 58,297,692 km (0.11 R)
• M31: 60,123,833 km (0.049 R)
• M32: 60,534,778 km (0.054 R)
• M33: 65,613,028 km (0.04 R)
• M34: 70,510,862 km (0.08 R)
• M35: 71,656,931 km (0.034 R)
• M36: 78,305,809 km (0.09 R)
• M37: 83,809,365 km (0.182 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 507 - 12,355 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit