🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.2

Radius: 8.5

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.62 AU - 0.78 AU

Year: 391 Days

Day: 10.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,472,690 km

• M1: 105,766 km (0.067 R)
• M2: 444,754 km (0.073 R)
• M3: 945,758 km (0.097 R)
• M4: 1,285,644 km (0.032 R)
• M5: 1,561,203 km (0.071 R)
• M6: 1,898,397 km (0.078 R)
• M7: 2,309,492 km (0.098 R)
• M8: 2,600,460 km (0.092 R)
• M9: 2,886,192 km (0.115 R)
• M10: 3,442,845 km (0.109 R)
• M11: 3,872,640 km (0.059 R)
• M12: 4,208,487 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.7

Radius: 8.1

Gravity: 9.81 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.04 AU - 1.38 AU

Year: 888 Days

Day: 9.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,472,690 km

• M1: 100,679 km (0.1 R)
• M2: 384,167 km (0.087 R)
• M3: 648,956 km (0.097 R)
• M4: 1,054,067 km (0.064 R)
• M5: 1,319,453 km (0.047 R)
• M6: 1,580,202 km (0.058 R)
• M7: 1,989,053 km (0.11 R)
• M8: 2,303,209 km (0.116 R)
• M9: 2,769,655 km (0.092 R)
• M10: 3,189,576 km (0.075 R)
• M11: 3,549,957 km (0.071 R)
• M12: 4,109,603 km (0.102 R)
• M13: 5,558,458 km (0.049 R)
• M14: 6,081,752 km (0.09 R)
• M15: 6,815,081 km (0.096 R)
• M16: 7,296,786 km (0.109 R)
• M17: 8,405,156 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.3

Radius: 9.2

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.46 AU - 1.64 AU

Year: 1287 Days

Day: 13.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,472,690 km

• M1: 114,442 km (0.082 R)
• M2: 411,394 km (0.112 R)
• M3: 1,164,021 km (0.107 R)
• M4: 1,486,853 km (0.113 R)
• M5: 1,999,226 km (0.113 R)
• M6: 2,523,716 km (0.119 R)
• M7: 3,047,757 km (0.107 R)
• M8: 3,514,952 km (0.089 R)
• M9: 5,469,897 km (0.092 R)
• M10: 5,858,402 km (0.082 R)
• M11: 7,089,892 km (0.05 R)
• M12: 7,411,527 km (0.095 R)
• M13: 8,233,268 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.9

Radius: 9.5

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.1 AU - 2.88 AU

Year: 2620 Days

Day: 13.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 81,472,690 km

• M1: 125,812 km (0.103 R)
• M2: 481,107 km (0.059 R)
• M3: 1,151,305 km (0.106 R)
• M4: 1,751,641 km (0.119 R)
• M5: 2,479,585 km (0.112 R)
• M6: 2,837,572 km (0.07 R)
• M7: 3,346,205 km (0.081 R)
• M8: 4,974,428 km (0.1 R)
• M9: 5,359,493 km (0.054 R)
• M10: 5,961,774 km (0.039 R)
• M11: 6,555,229 km (0.111 R)
• M12: 7,920,310 km (0.075 R)
• M13: 8,962,708 km (0.077 R)
• M14: 9,846,681 km (0.105 R)
• M15: 11,590,245 km (0.034 R)
• M16: 14,237,828 km (0.087 R)
• M17: 15,344,852 km (0.048 R)
• M18: 16,908,748 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.2

Radius: 8.7

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.7 AU - 3.22 AU

Year: 3396 Days

Day: 12.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,472,690 km

• M1: 109,206 km (0.079 R)
• M2: 528,529 km (0.107 R)
• M3: 880,982 km (0.09 R)
• M4: 1,244,205 km (0.078 R)
• M5: 1,630,766 km (0.05 R)
• M6: 2,160,492 km (0.104 R)
• M7: 2,574,430 km (0.099 R)
• M8: 2,847,745 km (0.099 R)
• M9: 4,162,411 km (0.078 R)
• M10: 4,919,376 km (0.095 R)
• M11: 5,765,203 km (0.044 R)
• M12: 6,426,425 km (0.118 R)
• M13: 8,316,894 km (0.047 R)
• M14: 8,816,700 km (0.032 R)
• M15: 9,839,501 km (0.097 R)
• M16: 10,628,181 km (0.09 R)
• M17: 11,297,033 km (0.105 R)
• M18: 12,674,979 km (0.119 R)
• M19: 13,292,070 km (0.12 R)
• M20: 18,021,607 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 595.5

Radius: 7.8

Gravity: 9.79 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 9.17 AU - 12.49 AU

Year: 23767 Days

Day: 15.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 135.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 81,472,690 km

• M1: 97,239 km (0.074 R)
• M2: 489,783 km (0.105 R)
• M3: 757,863 km (0.106 R)
• M4: 1,139,637 km (0.08 R)
• M5: 1,478,326 km (0.119 R)
• M6: 2,102,299 km (0.067 R)
• M7: 2,763,521 km (0.097 R)
• M8: 3,467,679 km (0.112 R)
• M9: 4,286,129 km (0.068 R)
• M10: 5,227,249 km (0.099 R)
• M11: 7,076,278 km (0.08 R)
• M12: 8,599,783 km (0.071 R)
• M13: 9,380,684 km (0.107 R)
• M14: 11,083,257 km (0.099 R)
• M15: 19,679,450 km (0.033 R)
• M16: 25,910,501 km (0.063 R)
• M17: 27,889,381 km (0.094 R)
• M18: 28,369,291 km (0.076 R)
• M19: 32,145,441 km (0.081 R)
• M20: 34,290,226 km (0.085 R)
• M21: 34,702,816 km (0.092 R)
• M22: 38,270,127 km (0.104 R)
• M23: 38,565,733 km (0.114 R)
• M24: 50,425,403 km (0.106 R)
• M25: 57,657,862 km (0.096 R)
• M26: 58,632,492 km (0.116 R)
• M27: 63,256,861 km (0.108 R)
• M28: 64,920,689 km (0.086 R)
• M29: 67,255,912 km (0.059 R)
• M30: 75,289,018 km (0.112 R)
• M31: 75,985,994 km (0.093 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 184 - 10,725 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit