🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.9

Radius: 12.4

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.48 AU - 0.58 AU

Year: 266 Days

Day: 13.7 Hours

Environment

Temp: -136 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 61,850,391 km

• M1: 154,235 km (0.113 R)
• M2: 797,805 km (0.075 R)
• M3: 1,224,159 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.1

Radius: 13.7

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.84 AU - 1.06 AU

Year: 639 Days

Day: 11.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,850,391 km

• M1: 172,486 km (0.056 R)
• M2: 666,010 km (0.115 R)
• M3: 1,565,991 km (0.039 R)
• M4: 2,110,676 km (0.084 R)
• M5: 2,770,702 km (0.079 R)
• M6: 3,296,838 km (0.119 R)
• M7: 4,376,486 km (0.089 R)
• M8: 5,697,136 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.7

Radius: 9.1

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.97 AU - 3.23 AU

Year: 2894 Days

Day: 6 Hours

Environment

Temp: -219 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,850,391 km

• M1: 115,340 km (0.093 R)
• M2: 410,197 km (0.087 R)
• M3: 837,299 km (0.054 R)
• M4: 1,166,863 km (0.106 R)
• M5: 2,058,766 km (0.09 R)
• M6: 3,187,033 km (0.118 R)
• M7: 3,517,644 km (0.108 R)
• M8: 4,429,144 km (0.105 R)
• M9: 6,132,466 km (0.037 R)
• M10: 6,913,815 km (0.114 R)
• M11: 8,132,439 km (0.045 R)
• M12: 8,832,857 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.8

Radius: 14.5

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.46 AU - 3.68 AU

Year: 3713 Days

Day: 7.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,850,391 km

• M1: 180,265 km (0.115 R)
• M2: 755,020 km (0.104 R)
• M3: 1,341,594 km (0.119 R)
• M4: 2,011,792 km (0.119 R)
• M5: 2,694,407 km (0.091 R)
• M6: 3,151,429 km (0.09 R)
• M7: 3,699,256 km (0.108 R)
• M8: 4,267,728 km (0.057 R)
• M9: 4,824,382 km (0.036 R)
• M10: 6,194,549 km (0.069 R)
• M11: 7,398,063 km (0.032 R)
• M12: 7,908,043 km (0.091 R)
• M13: 8,822,385 km (0.058 R)
• M14: 10,266,004 km (0.115 R)
• M15: 11,862,214 km (0.068 R)
• M16: 12,969,238 km (0.117 R)
• M17: 14,047,390 km (0.092 R)
• M18: 16,596,986 km (0.077 R)
• M19: 17,252,075 km (0.067 R)
• M20: 20,292,652 km (0.029 R)
• M21: 21,359,734 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.8

Radius: 13.6

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.35 AU - 4.53 AU

Year: 6458 Days

Day: 8.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,850,391 km

• M1: 169,195 km (0.101 R)
• M2: 646,861 km (0.073 R)
• M3: 1,450,052 km (0.119 R)
• M4: 6,377,208 km (0.088 R)
• M5: 7,395,820 km (0.115 R)
• M6: 8,743,248 km (0.116 R)
• M7: 9,594,908 km (0.113 R)
• M8: 11,418,656 km (0.067 R)
• M9: 12,484,242 km (0.063 R)
• M10: 13,463,808 km (0.084 R)
• M11: 15,245,818 km (0.113 R)
• M12: 19,082,555 km (0.051 R)
• M13: 21,326,224 km (0.051 R)
• M14: 23,156,853 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 961

Radius: 5.9

Gravity: 27.61 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 5.93 AU - 7.77 AU

Year: 12375 Days

Day: 23.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 61,850,391 km

• M1: 73,602 km (0.112 R)
• M2: 382,223 km (0.101 R)
• M3: 695,929 km (0.048 R)
• M4: 1,533,827 km (0.113 R)
• M5: 2,135,809 km (0.113 R)
• M6: 3,571,350 km (0.118 R)
• M7: 4,207,739 km (0.074 R)
• M8: 6,047,344 km (0.096 R)
• M9: 7,430,676 km (0.118 R)
• M10: 9,801,054 km (0.118 R)
• M11: 10,691,610 km (0.087 R)
• M12: 12,064,619 km (0.096 R)
• M13: 12,441,307 km (0.082 R)
• M14: 15,594,232 km (0.065 R)
• M15: 15,816,684 km (0.067 R)
• M16: 16,192,025 km (0.105 R)
• M17: 17,117,288 km (0.113 R)
• M18: 20,901,665 km (0.036 R)
• M19: 21,353,899 km (0.12 R)
• M20: 23,227,762 km (0.027 R)
• M21: 23,517,982 km (0.071 R)
• M22: 24,602,866 km (0.116 R)
• M23: 28,496,898 km (0.079 R)
• M24: 30,301,049 km (0.114 R)
• M25: 32,540,828 km (0.095 R)
• M26: 33,392,938 km (0.105 R)
• M27: 34,135,242 km (0.1 R)
• M28: 37,479,054 km (0.055 R)
• M29: 38,821,246 km (0.04 R)
• M30: 39,230,097 km (0.05 R)
• M31: 43,039,756 km (0.103 R)
• M32: 43,918,494 km (0.1 R)
• M33: 46,320,437 km (0.052 R)
• M34: 53,880,216 km (0.113 R)
• M35: 55,588,175 km (0.082 R)
• M36: 59,472,334 km (0.104 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 490 - 19,130 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit