🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.9

Radius: 13.1

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.49 AU - 0.73 AU

Year: 323 Days

Day: 8.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 87,094,980 km

• M1: 162,912 km (0.044 R)
• M2: 593,156 km (0.097 R)
• M3: 1,244,654 km (0.056 R)
• M4: 1,854,415 km (0.105 R)
• M5: 2,308,744 km (0.071 R)
• M6: 3,158,011 km (0.103 R)
• M7: 3,778,094 km (0.103 R)
• M8: 4,231,675 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.2

Radius: 12.7

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.97 AU - 2.13 AU

Year: 1991 Days

Day: 14.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 87,094,980 km

• M1: 158,125 km (0.103 R)
• M2: 555,008 km (0.032 R)
• M3: 1,030,729 km (0.058 R)
• M4: 1,493,585 km (0.118 R)
• M5: 2,020,618 km (0.076 R)
• M6: 2,657,905 km (0.072 R)
• M7: 3,169,380 km (0.105 R)
• M8: 5,030,677 km (0.102 R)
• M9: 5,908,817 km (0.119 R)
• M10: 7,012,849 km (0.052 R)
• M11: 7,587,454 km (0.067 R)
• M12: 8,250,023 km (0.093 R)
• M13: 8,890,751 km (0.079 R)
• M14: 9,315,759 km (0.117 R)
• M15: 10,141,090 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.1

Radius: 8.3

Gravity: 10.93 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.58 AU - 3.52 AU

Year: 3613 Days

Day: 14 Hours

Environment

Temp: -204 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 87,094,980 km

• M1: 103,223 km (0.115 R)
• M2: 452,982 km (0.074 R)
• M3: 738,265 km (0.082 R)
• M4: 1,202,468 km (0.119 R)
• M5: 1,529,339 km (0.05 R)
• M6: 1,800,560 km (0.118 R)
• M7: 4,421,963 km (0.078 R)
• M8: 4,731,481 km (0.101 R)
• M9: 5,262,105 km (0.104 R)
• M10: 7,158,258 km (0.111 R)
• M11: 7,519,238 km (0.088 R)
• M12: 8,565,525 km (0.086 R)
• M13: 9,123,675 km (0.049 R)
• M14: 10,604,395 km (0.115 R)
• M15: 13,188,847 km (0.09 R)
• M16: 16,110,344 km (0.052 R)
• M17: 18,504,808 km (0.047 R)
• M18: 19,310,991 km (0.06 R)
• M19: 19,754,698 km (0.115 R)
• M20: 21,733,878 km (0.066 R)
• M21: 22,701,327 km (0.051 R)
• M22: 23,914,117 km (0.057 R)
• M23: 24,944,996 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.6

Radius: 12.8

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.86 AU - 5.08 AU

Year: 6410 Days

Day: 6.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 87,094,980 km

• M1: 164,707 km (0.113 R)
• M2: 708,944 km (0.06 R)
• M3: 1,520,064 km (0.086 R)
• M4: 2,007,155 km (0.049 R)
• M5: 3,090,094 km (0.112 R)
• M6: 4,449,041 km (0.102 R)
• M7: 6,173,904 km (0.095 R)
• M8: 7,131,330 km (0.079 R)
• M9: 9,074,756 km (0.092 R)
• M10: 10,748,158 km (0.071 R)
• M11: 11,867,300 km (0.106 R)
• M12: 12,673,932 km (0.111 R)
• M13: 14,942,434 km (0.112 R)
• M14: 17,606,622 km (0.084 R)
• M15: 21,500,804 km (0.097 R)
• M16: 22,214,835 km (0.066 R)
• M17: 24,281,230 km (0.08 R)
• M18: 24,968,782 km (0.112 R)
• M19: 25,405,010 km (0.084 R)
• M20: 26,835,464 km (0.056 R)
• M21: 32,265,718 km (0.104 R)
• M22: 33,096,883 km (0.06 R)
• M23: 34,048,924 km (0.083 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 763

Radius: 5.4

Gravity: 26.17 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.6 AU - 6.94 AU

Year: 9401 Days

Day: 22.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 87,094,980 km

• M1: 67,169 km (0.062 R)
• M2: 305,180 km (0.091 R)
• M3: 477,367 km (0.101 R)
• M4: 856,597 km (0.078 R)
• M5: 1,228,348 km (0.1 R)
• M6: 1,555,369 km (0.101 R)
• M7: 1,857,258 km (0.099 R)
• M8: 3,046,411 km (0.108 R)
• M9: 3,301,027 km (0.115 R)
• M10: 3,645,401 km (0.112 R)
• M11: 4,319,788 km (0.085 R)
• M12: 5,267,341 km (0.102 R)
• M13: 6,272,340 km (0.09 R)
• M14: 8,119,275 km (0.093 R)
• M15: 8,564,029 km (0.099 R)
• M16: 8,931,442 km (0.073 R)
• M17: 10,198,236 km (0.115 R)
• M18: 10,403,335 km (0.111 R)
• M19: 11,580,521 km (0.112 R)
• M20: 12,029,763 km (0.089 R)
• M21: 13,755,973 km (0.103 R)
• M22: 17,398,382 km (0.091 R)
• M23: 18,438,087 km (0.091 R)
• M24: 20,154,424 km (0.107 R)
• M25: 20,886,256 km (0.091 R)
• M26: 22,145,122 km (0.077 R)
• M27: 23,631,976 km (0.106 R)
• M28: 24,445,638 km (0.111 R)
• M29: 25,371,200 km (0.069 R)
• M30: 33,633,640 km (0.068 R)
• M31: 34,317,153 km (0.108 R)
• M32: 36,902,504 km (0.083 R)
• M33: 39,994,542 km (0.106 R)
• M34: 40,761,530 km (0.105 R)
• M35: 44,881,156 km (0.089 R)
• M36: 47,396,196 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 778.3

Radius: 6.1

Gravity: 20.92 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 8.88 AU - 12.06 AU

Year: 22978 Days

Day: 21.1 Hours

Environment

Temp: -245 °C

Axial Tilt: 105 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 87,094,980 km

• M1: 84,822 km (0.111 R)
• M2: 369,507 km (0.056 R)
• M3: 2,769,954 km (0.115 R)
• M4: 3,318,230 km (0.047 R)
• M5: 5,357,848 km (0.102 R)
• M6: 5,899,542 km (0.092 R)
• M7: 6,946,278 km (0.114 R)
• M8: 7,847,904 km (0.057 R)
• M9: 8,111,645 km (0.098 R)
• M10: 12,170,834 km (0.108 R)
• M11: 13,031,022 km (0.05 R)
• M12: 14,007,896 km (0.108 R)
• M13: 14,952,158 km (0.092 R)
• M14: 16,618,977 km (0.095 R)
• M15: 17,947,705 km (0.109 R)
• M16: 18,591,425 km (0.049 R)
• M17: 19,250,404 km (0.104 R)
• M18: 21,938,528 km (0.058 R)
• M19: 23,426,279 km (0.055 R)
• M20: 24,529,264 km (0.08 R)
• M21: 27,801,268 km (0.11 R)
• M22: 35,481,174 km (0.112 R)
• M23: 40,738,941 km (0.101 R)
• M24: 42,979,618 km (0.116 R)
• M25: 45,979,654 km (0.106 R)
• M26: 47,183,019 km (0.115 R)
• M27: 49,832,248 km (0.114 R)
• M28: 54,274,556 km (0.092 R)
• M29: 55,231,983 km (0.096 R)
• M30: 64,149,213 km (0.081 R)
• M31: 64,362,389 km (0.05 R)
• M32: 67,836,650 km (0.071 R)
• M33: 72,583,391 km (0.089 R)
• M34: 77,064,745 km (0.095 R)
• M35: 77,788,798 km (0.063 R)
• M36: 80,235,023 km (0.118 R)
• M37: 82,731,961 km (0.082 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 284 - 16,405 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit