🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.6

Radius: 14.3

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.7 AU - 0.76 AU

Year: 431 Days

Day: 6.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 93,940,467 km

• M1: 177,872 km (0.08 R)
• M2: 748,139 km (0.028 R)
• M3: 1,297,462 km (0.034 R)
• M4: 1,752,838 km (0.11 R)
• M5: 2,444,728 km (0.102 R)
• M6: 2,992,556 km (0.081 R)
• M7: 3,885,655 km (0.107 R)
• M8: 4,395,335 km (0.054 R)
• M9: 5,057,156 km (0.094 R)
• M10: 5,584,040 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.2

Radius: 9.9

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.78 AU - 0.98 AU

Year: 570 Days

Day: 5.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 93,940,467 km

• M1: 123,119 km (0.097 R)
• M2: 517,758 km (0.062 R)
• M3: 961,316 km (0.066 R)
• M4: 1,320,650 km (0.116 R)
• M5: 1,652,608 km (0.117 R)
• M6: 2,031,988 km (0.053 R)
• M7: 3,305,664 km (0.061 R)
• M8: 4,142,664 km (0.056 R)
• M9: 4,705,900 km (0.12 R)
• M10: 5,745,456 km (0.109 R)
• M11: 6,427,024 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.6

Radius: 11.9

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.77 AU - 1.03 AU

Year: 589 Days

Day: 11.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 93,940,467 km

• M1: 147,952 km (0.099 R)
• M2: 523,443 km (0.118 R)
• M3: 1,003,951 km (0.092 R)
• M4: 1,546,244 km (0.102 R)
• M5: 1,923,829 km (0.112 R)
• M6: 2,817,078 km (0.103 R)
• M7: 3,425,492 km (0.105 R)
• M8: 4,538,650 km (0.062 R)
• M9: 5,294,418 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.5

Radius: 13.8

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.29 AU - 1.85 AU

Year: 1358 Days

Day: 12.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 93,940,467 km

• M1: 171,589 km (0.089 R)
• M2: 615,446 km (0.116 R)
• M3: 1,314,965 km (0.041 R)
• M4: 1,811,331 km (0.109 R)
• M5: 2,285,107 km (0.088 R)
• M6: 2,895,018 km (0.026 R)
• M7: 3,535,446 km (0.103 R)
• M8: 4,047,071 km (0.111 R)
• M9: 5,023,945 km (0.088 R)
• M10: 5,801,705 km (0.112 R)
• M11: 6,634,815 km (0.087 R)
• M12: 7,216,900 km (0.116 R)
• M13: 7,885,902 km (0.076 R)
• M14: 8,995,619 km (0.106 R)
• M15: 9,467,750 km (0.104 R)
• M16: 11,151,175 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.5

Radius: 11

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.57 AU - 2.35 AU

Year: 1894 Days

Day: 8.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 93,940,467 km

• M1: 137,181 km (0.113 R)
• M2: 503,846 km (0.095 R)
• M3: 1,217,727 km (0.108 R)
• M4: 1,746,256 km (0.067 R)
• M5: 2,506,064 km (0.064 R)
• M6: 3,520,337 km (0.064 R)
• M7: 4,180,363 km (0.07 R)
• M8: 4,775,014 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 508.5

Radius: 4.8

Gravity: 22.07 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 5.32 AU - 5.94 AU

Year: 9221 Days

Day: 16.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 93,940,467 km

• M1: 59,839 km (0.033 R)
• M2: 613,202 km (0.075 R)
• M3: 867,817 km (0.089 R)
• M4: 1,081,892 km (0.117 R)
• M5: 1,355,207 km (0.111 R)
• M6: 1,804,898 km (0.105 R)
• M7: 2,122,495 km (0.098 R)
• M8: 3,058,229 km (0.118 R)
• M9: 3,211,417 km (0.104 R)
• M10: 3,415,918 km (0.098 R)
• M11: 4,056,047 km (0.104 R)
• M12: 4,214,471 km (0.103 R)
• M13: 5,009,285 km (0.107 R)
• M14: 5,667,665 km (0.046 R)
• M15: 8,708,092 km (0.063 R)
• M16: 9,333,112 km (0.071 R)
• M17: 10,277,075 km (0.083 R)
• M18: 15,770,308 km (0.09 R)
• M19: 16,361,968 km (0.098 R)
• M20: 21,397,731 km (0.08 R)
• M21: 22,203,765 km (0.104 R)
• M22: 23,029,994 km (0.088 R)
• M23: 24,919,415 km (0.032 R)
• M24: 30,795,320 km (0.073 R)
• M25: 32,659,758 km (0.108 R)
• M26: 35,038,963 km (0.107 R)
• M27: 38,230,783 km (0.08 R)
• M28: 39,177,139 km (0.112 R)
• M29: 40,503,773 km (0.107 R)
• M30: 41,116,526 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 391.2

Radius: 7.5

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 7.18 AU - 8.12 AU

Year: 14605 Days

Day: 19.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 93,940,467 km

• M1: 94,995 km (0.057 R)
• M2: 331,210 km (0.115 R)
• M3: 644,767 km (0.094 R)
• M4: 1,076,805 km (0.038 R)
• M5: 1,675,197 km (0.099 R)
• M6: 2,137,305 km (0.075 R)
• M7: 2,497,237 km (0.085 R)
• M8: 2,897,112 km (0.11 R)
• M9: 3,171,325 km (0.076 R)
• M10: 5,264,199 km (0.08 R)
• M11: 5,886,826 km (0.119 R)
• M12: 7,445,336 km (0.119 R)
• M13: 8,229,229 km (0.065 R)
• M14: 9,706,658 km (0.077 R)
• M15: 10,481,575 km (0.118 R)
• M16: 11,921,454 km (0.113 R)
• M17: 12,212,721 km (0.045 R)
• M18: 13,363,428 km (0.103 R)
• M19: 13,614,603 km (0.106 R)
• M20: 13,932,947 km (0.107 R)
• M21: 14,452,650 km (0.079 R)
• M22: 15,461,987 km (0.057 R)
• M23: 16,374,085 km (0.069 R)
• M24: 18,849,781 km (0.039 R)
• M25: 19,405,237 km (0.102 R)
• M26: 19,646,688 km (0.097 R)
• M27: 20,716,014 km (0.104 R)
• M28: 21,137,431 km (0.055 R)
• M29: 22,260,014 km (0.061 R)
• M30: 22,702,075 km (0.103 R)
• M31: 23,060,063 km (0.094 R)
• M32: 29,100,376 km (0.105 R)
• M33: 30,814,618 km (0.104 R)
• M34: 33,626,310 km (0.082 R)
• M35: 34,797,362 km (0.052 R)
• M36: 42,942,966 km (0.087 R)
• M37: 45,161,353 km (0.101 R)
• M38: 47,893,459 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 996.2

Radius: 3.9

Gravity: 65.5 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 9.07 AU - 11.49 AU

Year: 22751 Days

Day: 21.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 93,940,467 km

• M1: 48,619 km (0.096 R)
• M2: 214,823 km (0.04 R)
• M3: 384,766 km (0.086 R)
• M4: 534,663 km (0.076 R)
• M5: 968,646 km (0.101 R)
• M6: 1,679,834 km (0.052 R)
• M7: 2,109,629 km (0.119 R)
• M8: 2,338,364 km (0.062 R)
• M9: 3,422,650 km (0.078 R)
• M10: 3,578,381 km (0.042 R)
• M11: 3,738,900 km (0.116 R)
• M12: 4,178,568 km (0.086 R)
• M13: 4,921,022 km (0.096 R)
• M14: 5,967,908 km (0.11 R)
• M15: 6,519,625 km (0.065 R)
• M16: 7,054,587 km (0.047 R)
• M17: 9,367,519 km (0.03 R)
• M18: 13,326,777 km (0.059 R)
• M19: 18,558,065 km (0.112 R)
• M20: 19,331,934 km (0.088 R)
• M21: 19,826,355 km (0.106 R)
• M22: 20,634,932 km (0.103 R)
• M23: 32,669,333 km (0.112 R)
• M24: 36,274,641 km (0.039 R)
• M25: 38,560,347 km (0.115 R)
• M26: 40,296,281 km (0.073 R)
• M27: 40,778,584 km (0.102 R)
• M28: 47,225,505 km (0.107 R)
• M29: 47,941,181 km (0.105 R)
• M30: 59,560,896 km (0.092 R)
• M31: 60,606,286 km (0.101 R)
• M32: 62,733,418 km (0.065 R)
• M33: 70,569,804 km (0.052 R)
• M34: 77,785,058 km (0.106 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 229 - 18,686 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit