🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.9

Radius: 9.4

Gravity: 7.9 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.65 AU - 0.97 AU

Year: 486 Days

Day: 10 Hours

Environment

Temp: -172 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,676,282 km

• M1: 116,986 km (0.063 R)
• M2: 411,245 km (0.081 R)
• M3: 780,153 km (0.103 R)
• M4: 1,316,012 km (0.049 R)
• M5: 1,963,472 km (0.038 R)
• M6: 3,581,971 km (0.104 R)
• M7: 5,157,835 km (0.078 R)
• M8: 5,785,099 km (0.116 R)
• M9: 6,108,231 km (0.106 R)
• M10: 6,424,481 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.7

Radius: 11.2

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.85 AU - 1.07 AU

Year: 627 Days

Day: 10.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,676,282 km

• M1: 139,276 km (0.111 R)
• M2: 568,622 km (0.051 R)
• M3: 1,353,412 km (0.072 R)
• M4: 2,313,232 km (0.086 R)
• M5: 3,626,402 km (0.114 R)
• M6: 4,266,531 km (0.073 R)
• M7: 4,629,605 km (0.104 R)
• M8: 5,332,117 km (0.061 R)
• M9: 6,067,091 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.6

Radius: 14.1

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.63 AU - 2.33 AU

Year: 1858 Days

Day: 11.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 82,676,282 km

• M1: 176,077 km (0.118 R)
• M2: 617,989 km (0.062 R)
• M3: 1,067,082 km (0.035 R)
• M4: 1,659,639 km (0.111 R)
• M5: 2,907,883 km (0.118 R)
• M6: 4,650,848 km (0.07 R)
• M7: 5,283,198 km (0.051 R)
• M8: 5,901,038 km (0.092 R)
• M9: 6,339,509 km (0.101 R)
• M10: 7,145,841 km (0.031 R)
• M11: 7,644,900 km (0.075 R)
• M12: 8,869,359 km (0.036 R)
• M13: 9,811,676 km (0.11 R)
• M14: 11,819,429 km (0.115 R)
• M15: 14,390,866 km (0.107 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 276.2

Radius: 4.2

Gravity: 15.66 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 7.28 AU - 11.28 AU

Year: 18852 Days

Day: 18.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 82,676,282 km

• M1: 54,005 km (0.1 R)
• M2: 245,640 km (0.12 R)
• M3: 471,233 km (0.045 R)
• M4: 958,025 km (0.065 R)
• M5: 1,599,052 km (0.054 R)
• M6: 1,922,632 km (0.094 R)
• M7: 2,467,617 km (0.115 R)
• M8: 3,638,669 km (0.089 R)
• M9: 5,272,876 km (0.075 R)
• M10: 5,410,656 km (0.113 R)
• M11: 6,560,615 km (0.059 R)
• M12: 7,255,946 km (0.087 R)
• M13: 7,953,969 km (0.107 R)
• M14: 9,182,168 km (0.114 R)
• M15: 9,482,560 km (0.118 R)
• M16: 9,635,300 km (0.065 R)
• M17: 10,477,236 km (0.093 R)
• M18: 11,027,757 km (0.073 R)
• M19: 11,597,276 km (0.1 R)
• M20: 13,487,445 km (0.083 R)
• M21: 14,271,188 km (0.041 R)
• M22: 15,857,374 km (0.106 R)
• M23: 17,633,849 km (0.1 R)
• M24: 18,649,319 km (0.047 R)
• M25: 23,845,003 km (0.118 R)
• M26: 30,037,457 km (0.053 R)
• M27: 30,256,917 km (0.117 R)
• M28: 32,625,650 km (0.098 R)
• M29: 33,795,805 km (0.114 R)
• M30: 39,277,968 km (0.082 R)
• M31: 40,869,839 km (0.103 R)
• M32: 42,919,480 km (0.1 R)
• M33: 45,757,501 km (0.119 R)
• M34: 48,115,911 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 677

Radius: 7.3

Gravity: 12.7 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 10.42 AU - 10.64 AU

Year: 22786 Days

Day: 18.8 Hours

Environment

Temp: -241 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 82,676,282 km

• M1: 90,806 km (0.06 R)
• M2: 496,515 km (0.108 R)
• M3: 946,356 km (0.102 R)
• M4: 1,190,201 km (0.113 R)
• M5: 1,542,354 km (0.117 R)
• M6: 2,343,002 km (0.111 R)
• M7: 3,943,849 km (0.092 R)
• M8: 5,141,978 km (0.106 R)
• M9: 6,165,826 km (0.05 R)
• M10: 6,935,656 km (0.071 R)
• M11: 7,767,869 km (0.087 R)
• M12: 8,719,910 km (0.064 R)
• M13: 9,396,392 km (0.055 R)
• M14: 11,175,260 km (0.117 R)
• M15: 12,666,302 km (0.113 R)
• M16: 13,386,167 km (0.062 R)
• M17: 14,907,129 km (0.094 R)
• M18: 16,539,840 km (0.083 R)
• M19: 17,574,907 km (0.087 R)
• M20: 21,638,734 km (0.118 R)
• M21: 22,562,052 km (0.025 R)
• M22: 23,298,223 km (0.109 R)
• M23: 24,487,227 km (0.113 R)
• M24: 27,814,882 km (0.105 R)
• M25: 35,774,386 km (0.083 R)
• M26: 38,088,366 km (0.074 R)
• M27: 41,430,233 km (0.093 R)
• M28: 45,293,448 km (0.097 R)
• M29: 48,343,599 km (0.073 R)
• M30: 49,390,036 km (0.07 R)
• M31: 50,273,412 km (0.09 R)
• M32: 57,919,359 km (0.074 R)
• M33: 60,697,840 km (0.076 R)
• M34: 68,248,045 km (0.118 R)
• M35: 69,785,462 km (0.087 R)
• M36: 77,581,905 km (0.118 R)
• M37: 79,980,856 km (0.078 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 432 - 10,847 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit