🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.6

Radius: 10.7

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.8 AU - 0.9 AU

Year: 498 Days

Day: 11.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,220,390 km

• M1: 133,142 km (0.092 R)
• M2: 476,619 km (0.054 R)
• M3: 932,294 km (0.075 R)
• M4: 1,272,479 km (0.11 R)
• M5: 2,150,021 km (0.112 R)
• M6: 3,037,884 km (0.119 R)
• M7: 3,425,342 km (0.103 R)
• M8: 3,959,706 km (0.052 R)
• M9: 4,451,285 km (0.072 R)
• M10: 4,850,113 km (0.092 R)
• M11: 5,319,401 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.5

Radius: 12.4

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.9 AU - 1.18 AU

Year: 674 Days

Day: 13.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 83,220,390 km

• M1: 155,283 km (0.116 R)
• M2: 677,080 km (0.113 R)
• M3: 1,084,285 km (0.12 R)
• M4: 2,599,113 km (0.117 R)
• M5: 3,186,734 km (0.103 R)
• M6: 4,007,727 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.3

Radius: 8.3

Gravity: 13.61 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.69 AU - 2.89 AU

Year: 2963 Days

Day: 7.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 83,220,390 km

• M1: 103,223 km (0.09 R)
• M2: 561,590 km (0.047 R)
• M3: 1,070,223 km (0.085 R)
• M4: 1,354,908 km (0.114 R)
• M5: 2,691,266 km (0.107 R)
• M6: 4,988,790 km (0.103 R)
• M7: 5,317,905 km (0.099 R)
• M8: 7,638,916 km (0.062 R)
• M9: 10,481,126 km (0.034 R)
• M10: 10,937,699 km (0.094 R)
• M11: 11,625,400 km (0.087 R)
• M12: 12,571,307 km (0.111 R)
• M13: 13,616,398 km (0.073 R)
• M14: 15,343,954 km (0.036 R)
• M15: 18,861,599 km (0.11 R)
• M16: 20,229,073 km (0.075 R)
• M17: 23,160,294 km (0.102 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 857.6

Radius: 3.7

Gravity: 62.64 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 7.86 AU - 9.44 AU

Year: 16175 Days

Day: 18.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 83,220,390 km

• M1: 46,974 km (0.094 R)
• M2: 267,481 km (0.109 R)
• M3: 658,979 km (0.088 R)
• M4: 934,388 km (0.062 R)
• M5: 1,211,743 km (0.119 R)
• M6: 1,446,312 km (0.085 R)
• M7: 1,947,615 km (0.084 R)
• M8: 2,992,855 km (0.1 R)
• M9: 3,591,396 km (0.104 R)
• M10: 3,767,622 km (0.113 R)
• M11: 4,531,170 km (0.104 R)
• M12: 4,807,028 km (0.028 R)
• M13: 5,354,407 km (0.114 R)
• M14: 6,399,947 km (0.055 R)
• M15: 6,747,313 km (0.103 R)
• M16: 7,015,841 km (0.101 R)
• M17: 8,726,941 km (0.075 R)
• M18: 10,223,219 km (0.08 R)
• M19: 10,399,296 km (0.116 R)
• M20: 10,878,907 km (0.073 R)
• M21: 14,731,351 km (0.063 R)
• M22: 15,956,707 km (0.106 R)
• M23: 16,433,176 km (0.042 R)
• M24: 22,316,562 km (0.079 R)
• M25: 27,721,233 km (0.067 R)
• M26: 28,063,813 km (0.063 R)
• M27: 31,770,997 km (0.052 R)
• M28: 36,197,898 km (0.114 R)
• M29: 36,334,032 km (0.092 R)
• M30: 40,723,682 km (0.059 R)
• M31: 41,018,539 km (0.105 R)
• M32: 42,665,163 km (0.094 R)
• M33: 42,969,296 km (0.086 R)
• M34: 43,581,749 km (0.115 R)
• M35: 45,138,315 km (0.044 R)
• M36: 48,526,856 km (0.099 R)
• M37: 56,900,747 km (0.049 R)
• M38: 62,594,741 km (0.09 R)
• M39: 69,703,931 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 759.5

Radius: 5.8

Gravity: 22.58 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 9.05 AU - 12.01 AU

Year: 21726 Days

Day: 18.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 83,220,390 km

• M1: 73,901 km (0.065 R)
• M2: 267,780 km (0.106 R)
• M3: 495,169 km (0.036 R)
• M4: 1,044,792 km (0.087 R)
• M5: 1,801,308 km (0.062 R)
• M6: 2,079,111 km (0.082 R)
• M7: 2,362,300 km (0.074 R)
• M8: 3,060,174 km (0.088 R)
• M9: 3,311,498 km (0.091 R)
• M10: 3,546,218 km (0.074 R)
• M11: 4,891,402 km (0.098 R)
• M12: 5,761,014 km (0.071 R)
• M13: 10,156,947 km (0.093 R)
• M14: 10,908,378 km (0.038 R)
• M15: 12,521,192 km (0.119 R)
• M16: 23,224,321 km (0.071 R)
• M17: 26,448,006 km (0.067 R)
• M18: 27,032,335 km (0.104 R)
• M19: 27,505,962 km (0.12 R)
• M20: 28,960,203 km (0.056 R)
• M21: 30,210,692 km (0.063 R)
• M22: 31,889,479 km (0.094 R)
• M23: 33,357,632 km (0.03 R)
• M24: 35,998,932 km (0.117 R)
• M25: 43,609,126 km (0.077 R)
• M26: 50,239,752 km (0.059 R)
• M27: 52,041,958 km (0.056 R)
• M28: 52,224,617 km (0.118 R)
• M29: 55,014,467 km (0.097 R)
• M30: 60,284,052 km (0.091 R)
• M31: 61,295,334 km (0.06 R)
• M32: 62,112,587 km (0.115 R)
• M33: 65,880,060 km (0.115 R)
• M34: 66,093,686 km (0.11 R)
• M35: 70,464,636 km (0.091 R)
• M36: 72,720,722 km (0.098 R)
• M37: 79,534,606 km (0.048 R)
• M38: 82,474,353 km (0.042 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 229 - 17,449 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit