🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.1

Radius: 9.7

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.17 AU - 1.63 AU

Year: 1143 Days

Day: 13.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,584,536 km

• M1: 122,820 km (0.068 R)
• M2: 629,807 km (0.026 R)
• M3: 1,107,174 km (0.102 R)
• M4: 1,445,265 km (0.111 R)
• M5: 2,239,929 km (0.078 R)
• M6: 2,656,559 km (0.107 R)
• M7: 3,191,970 km (0.08 R)
• M8: 5,296,213 km (0.096 R)
• M9: 6,514,838 km (0.074 R)
• M10: 7,538,536 km (0.115 R)
• M11: 9,611,663 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.4

Radius: 11.5

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.3 AU - 2.12 AU

Year: 1543 Days

Day: 5.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,584,536 km

• M1: 143,464 km (0.083 R)
• M2: 505,940 km (0.051 R)
• M3: 990,787 km (0.105 R)
• M4: 2,355,568 km (0.076 R)
• M5: 2,828,148 km (0.108 R)
• M6: 3,768,520 km (0.049 R)
• M7: 5,618,597 km (0.079 R)
• M8: 6,123,340 km (0.115 R)
• M9: 6,492,248 km (0.059 R)
• M10: 6,925,035 km (0.116 R)
• M11: 7,505,924 km (0.102 R)
• M12: 8,119,275 km (0.066 R)
• M13: 8,852,454 km (0.072 R)
• M14: 9,295,264 km (0.092 R)
• M15: 9,940,031 km (0.118 R)
• M16: 10,581,506 km (0.08 R)
• M17: 11,491,211 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.5

Radius: 9.3

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 4.92 AU - 5 AU

Year: 7625 Days

Day: 10.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 62,584,536 km

• M1: 122,820 km (0.085 R)
• M2: 413,189 km (0.115 R)
• M3: 791,971 km (0.05 R)
• M4: 1,104,780 km (0.112 R)
• M5: 2,217,938 km (0.078 R)
• M6: 3,476,655 km (0.094 R)
• M7: 4,208,487 km (0.03 R)
• M8: 4,611,354 km (0.087 R)
• M9: 5,039,653 km (0.109 R)
• M10: 5,844,938 km (0.06 R)
• M11: 7,286,015 km (0.082 R)
• M12: 8,907,057 km (0.072 R)
• M13: 10,463,174 km (0.114 R)
• M14: 11,561,971 km (0.059 R)
• M15: 11,980,097 km (0.092 R)
• M16: 13,069,618 km (0.117 R)
• M17: 13,987,700 km (0.055 R)
• M18: 15,009,753 km (0.112 R)
• M19: 16,667,896 km (0.083 R)
• M20: 17,678,280 km (0.107 R)
• M21: 20,647,947 km (0.113 R)
• M22: 21,108,708 km (0.119 R)
• M23: 22,775,827 km (0.072 R)
• M24: 24,188,181 km (0.11 R)
• M25: 29,157,523 km (0.103 R)
• M26: 37,426,395 km (0.066 R)
• M27: 38,226,744 km (0.088 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 274.3

Radius: 3.7

Gravity: 20.04 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 5.4 AU - 6.36 AU

Year: 9842 Days

Day: 17.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 62,584,536 km

• M1: 141,819 km (0.11 R)
• M2: 263,442 km (0.103 R)
• M3: 572,062 km (0.03 R)
• M4: 906,264 km (0.071 R)
• M5: 1,179,280 km (0.047 R)
• M6: 1,479,523 km (0.105 R)
• M7: 2,469,711 km (0.117 R)
• M8: 4,409,846 km (0.027 R)
• M9: 5,635,352 km (0.091 R)
• M10: 6,376,011 km (0.064 R)
• M11: 7,179,501 km (0.099 R)
• M12: 8,366,261 km (0.076 R)
• M13: 9,722,066 km (0.107 R)
• M14: 11,365,549 km (0.026 R)
• M15: 14,365,435 km (0.105 R)
• M16: 14,539,567 km (0.11 R)
• M17: 16,740,750 km (0.09 R)
• M18: 18,122,136 km (0.053 R)
• M19: 24,244,429 km (0.079 R)
• M20: 29,320,734 km (0.1 R)
• M21: 30,072,164 km (0.108 R)
• M22: 31,223,170 km (0.069 R)
• M23: 32,403,348 km (0.115 R)
• M24: 34,331,963 km (0.039 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 147.4

Radius: 4

Gravity: 9.21 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 5.48 AU - 7.18 AU

Year: 10993 Days

Day: 22.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,584,536 km

• M1: 50,714 km (0.111 R)
• M2: 179,667 km (0.088 R)
• M3: 802,443 km (0.027 R)
• M4: 1,208,452 km (0.114 R)
• M5: 1,889,720 km (0.046 R)
• M6: 2,723,280 km (0.056 R)
• M7: 3,665,447 km (0.117 R)
• M8: 3,867,853 km (0.103 R)
• M9: 6,948,821 km (0.09 R)
• M10: 8,672,637 km (0.084 R)
• M11: 9,032,420 km (0.091 R)
• M12: 9,277,761 km (0.077 R)
• M13: 9,953,794 km (0.086 R)
• M14: 13,143,220 km (0.072 R)
• M15: 23,295,979 km (0.113 R)
• M16: 23,757,339 km (0.077 R)
• M17: 23,990,263 km (0.107 R)
• M18: 24,618,873 km (0.068 R)
• M19: 25,908,855 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 714.8

Radius: 5.6

Gravity: 22.79 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 6.7 AU - 8.6 AU

Year: 14605 Days

Day: 16.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 62,584,536 km

• M1: 72,256 km (0.037 R)
• M2: 325,675 km (0.045 R)
• M3: 505,192 km (0.091 R)
• M4: 726,298 km (0.059 R)
• M5: 1,341,594 km (0.065 R)
• M6: 1,532,032 km (0.079 R)
• M7: 2,526,708 km (0.101 R)
• M8: 3,287,862 km (0.053 R)
• M9: 3,692,973 km (0.116 R)
• M10: 4,635,440 km (0.096 R)
• M11: 4,834,854 km (0.115 R)
• M12: 5,109,665 km (0.052 R)
• M13: 5,578,505 km (0.096 R)
• M14: 6,727,267 km (0.03 R)
• M15: 7,201,641 km (0.102 R)
• M16: 7,606,005 km (0.109 R)
• M17: 9,429,453 km (0.115 R)
• M18: 11,048,252 km (0.085 R)
• M19: 12,393,735 km (0.07 R)
• M20: 12,714,024 km (0.116 R)
• M21: 16,076,386 km (0.113 R)
• M22: 17,317,150 km (0.087 R)
• M23: 18,124,231 km (0.07 R)
• M24: 21,056,050 km (0.093 R)
• M25: 27,081,104 km (0.099 R)
• M26: 27,403,936 km (0.101 R)
• M27: 28,498,694 km (0.11 R)
• M28: 29,282,138 km (0.089 R)
• M29: 33,911,593 km (0.033 R)
• M30: 41,094,086 km (0.091 R)
• M31: 43,109,020 km (0.046 R)
• M32: 44,587,945 km (0.1 R)
• M33: 49,868,899 km (0.075 R)
• M34: 52,159,392 km (0.111 R)
• M35: 56,773,140 km (0.075 R)
• M36: 59,088,466 km (0.089 R)
• M37: 62,397,122 km (0.07 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 462 - 17,751 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit