🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.1

Radius: 10.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.38 AU - 1.44 AU

Year: 1116 Days

Day: 11.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,194,904 km

• M1: 131,197 km (0.085 R)
• M2: 550,670 km (0.095 R)
• M3: 879,037 km (0.086 R)
• M4: 1,415,944 km (0.064 R)
• M5: 1,931,907 km (0.104 R)
• M6: 2,364,993 km (0.079 R)
• M7: 2,862,555 km (0.038 R)
• M8: 3,355,779 km (0.119 R)
• M9: 4,513,218 km (0.097 R)
• M10: 5,086,178 km (0.111 R)
• M11: 5,603,039 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.6

Radius: 15

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.09 AU - 1.73 AU

Year: 1116 Days

Day: 12.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,194,904 km

• M1: 186,549 km (0.086 R)
• M2: 697,874 km (0.112 R)
• M3: 1,306,887 km (0.107 R)
• M4: 1,776,924 km (0.118 R)
• M5: 2,793,890 km (0.073 R)
• M6: 3,472,167 km (0.102 R)
• M7: 4,085,817 km (0.109 R)
• M8: 6,514,987 km (0.116 R)
• M9: 7,023,321 km (0.087 R)
• M10: 8,010,966 km (0.109 R)
• M11: 9,298,405 km (0.054 R)
• M12: 10,166,522 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.7

Radius: 8.9

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.66 AU - 3.08 AU

Year: 3242 Days

Day: 11.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,194,904 km

• M1: 160,668 km (0.076 R)
• M2: 552,166 km (0.058 R)
• M3: 2,380,252 km (0.034 R)
• M4: 3,402,604 km (0.099 R)
• M5: 3,932,330 km (0.082 R)
• M6: 4,806,280 km (0.107 R)
• M7: 7,692,023 km (0.103 R)
• M8: 8,303,729 km (0.093 R)
• M9: 8,947,598 km (0.089 R)
• M10: 10,450,159 km (0.104 R)
• M11: 11,444,985 km (0.076 R)
• M12: 12,764,588 km (0.103 R)
• M13: 17,932,895 km (0.114 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 891.7

Radius: 7.4

Gravity: 16.28 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 6.24 AU - 7.68 AU

Year: 12245 Days

Day: 17 Hours

Environment

Temp: -229 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 64,194,904 km

• M1: 92,003 km (0.102 R)
• M2: 332,406 km (0.106 R)
• M3: 971,638 km (0.072 R)
• M4: 1,447,659 km (0.102 R)
• M5: 3,478,599 km (0.111 R)
• M6: 4,035,851 km (0.12 R)
• M7: 4,491,676 km (0.056 R)
• M8: 4,880,631 km (0.105 R)
• M9: 5,186,857 km (0.106 R)
• M10: 6,873,274 km (0.109 R)
• M11: 7,478,846 km (0.094 R)
• M12: 8,261,542 km (0.045 R)
• M13: 9,250,684 km (0.092 R)
• M14: 12,563,977 km (0.115 R)
• M15: 15,624,151 km (0.098 R)
• M16: 16,215,811 km (0.055 R)
• M17: 17,522,548 km (0.079 R)
• M18: 19,911,327 km (0.074 R)
• M19: 23,168,222 km (0.082 R)
• M20: 24,525,374 km (0.094 R)
• M21: 29,692,634 km (0.081 R)
• M22: 31,759,778 km (0.089 R)
• M23: 31,995,095 km (0.115 R)
• M24: 32,350,540 km (0.106 R)
• M25: 34,662,575 km (0.05 R)
• M26: 39,612,768 km (0.115 R)
• M27: 46,060,137 km (0.1 R)
• M28: 48,045,301 km (0.119 R)
• M29: 48,823,659 km (0.102 R)
• M30: 49,137,365 km (0.089 R)
• M31: 57,250,357 km (0.07 R)
• M32: 57,599,219 km (0.091 R)
• M33: 58,831,457 km (0.042 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 546.7

Radius: 5.3

Gravity: 19.46 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 7.85 AU - 9.71 AU

Year: 17349 Days

Day: 21.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 64,194,904 km

• M1: 77,791 km (0.086 R)
• M2: 282,291 km (0.047 R)
• M3: 1,116,748 km (0.077 R)
• M4: 1,597,855 km (0.065 R)
• M5: 1,832,275 km (0.058 R)
• M6: 2,070,285 km (0.04 R)
• M7: 2,349,584 km (0.046 R)
• M8: 2,542,266 km (0.104 R)
• M9: 2,934,961 km (0.1 R)
• M10: 3,958,509 km (0.077 R)
• M11: 4,263,240 km (0.106 R)
• M12: 4,851,160 km (0.113 R)
• M13: 5,200,321 km (0.102 R)
• M14: 6,938,798 km (0.105 R)
• M15: 7,796,891 km (0.086 R)
• M16: 10,852,129 km (0.12 R)
• M17: 12,257,451 km (0.027 R)
• M18: 12,904,612 km (0.043 R)
• M19: 14,196,688 km (0.108 R)
• M20: 16,024,924 km (0.095 R)
• M21: 18,419,088 km (0.09 R)
• M22: 21,967,999 km (0.056 R)
• M23: 22,536,919 km (0.074 R)
• M24: 22,824,895 km (0.052 R)
• M25: 24,201,944 km (0.078 R)
• M26: 25,425,505 km (0.048 R)
• M27: 28,776,347 km (0.096 R)
• M28: 30,733,087 km (0.097 R)
• M29: 31,325,196 km (0.109 R)
• M30: 32,166,684 km (0.051 R)
• M31: 33,769,475 km (0.076 R)
• M32: 43,619,149 km (0.117 R)
• M33: 48,551,091 km (0.091 R)
• M34: 51,648,515 km (0.077 R)
• M35: 52,316,919 km (0.119 R)
• M36: 52,822,111 km (0.103 R)
• M37: 53,160,651 km (0.061 R)
• M38: 56,980,632 km (0.074 R)
• M39: 57,694,214 km (0.095 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: 444 - 11,721 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit