🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.3

Radius: 12.8

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.67 AU - 0.67 AU

Year: 372 Days

Day: 14.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,457,333 km

• M1: 160,668 km (0.095 R)
• M2: 609,163 km (0.086 R)
• M3: 1,069,475 km (0.097 R)
• M4: 1,564,345 km (0.088 R)
• M5: 2,023,311 km (0.09 R)
• M6: 2,636,662 km (0.115 R)
• M7: 3,157,562 km (0.112 R)
• M8: 3,794,251 km (0.062 R)
• M9: 4,474,921 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.9

Radius: 14.3

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.64 AU - 0.82 AU

Year: 423 Days

Day: 10.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 81,457,333 km

• M1: 178,171 km (0.086 R)
• M2: 635,492 km (0.097 R)
• M3: 1,175,241 km (0.1 R)
• M4: 1,961,078 km (0.066 R)
• M5: 2,431,414 km (0.034 R)
• M6: 2,908,931 km (0.105 R)
• M7: 3,493,858 km (0.112 R)
• M8: 3,946,990 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.2

Radius: 13.2

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.76 AU - 1.26 AU

Year: 688 Days

Day: 11.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,457,333 km

• M1: 164,109 km (0.087 R)
• M2: 599,139 km (0.111 R)
• M3: 1,077,703 km (0.071 R)
• M4: 2,055,325 km (0.109 R)
• M5: 2,603,153 km (0.062 R)
• M6: 3,287,114 km (0.119 R)
• M7: 4,165,852 km (0.087 R)
• M8: 4,619,133 km (0.104 R)
• M9: 6,883,148 km (0.114 R)
• M10: 7,426,487 km (0.06 R)
• M11: 7,973,866 km (0.074 R)
• M12: 8,599,334 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.4

Radius: 14.5

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.19 AU - 1.43 AU

Year: 1017 Days

Day: 7.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,457,333 km

• M1: 182,509 km (0.12 R)
• M2: 760,107 km (0.058 R)
• M3: 1,305,840 km (0.075 R)
• M4: 2,097,811 km (0.076 R)
• M5: 4,960,665 km (0.116 R)
• M6: 5,654,949 km (0.106 R)
• M7: 6,717,992 km (0.04 R)
• M8: 7,262,528 km (0.105 R)
• M9: 8,389,149 km (0.076 R)
• M10: 9,516,818 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.7

Radius: 8.1

Gravity: 13.09 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.32 AU - 1.42 AU

Year: 1088 Days

Day: 13 Hours

Environment

Temp: -185 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,457,333 km

• M1: 101,128 km (0.099 R)
• M2: 472,580 km (0.068 R)
• M3: 1,491,192 km (0.099 R)
• M4: 1,751,791 km (0.115 R)
• M5: 2,523,118 km (0.069 R)
• M6: 2,790,150 km (0.108 R)
• M7: 3,675,470 km (0.034 R)
• M8: 5,006,592 km (0.098 R)
• M9: 5,307,284 km (0.11 R)
• M10: 6,632,721 km (0.095 R)
• M11: 7,788,963 km (0.119 R)
• M12: 8,193,475 km (0.095 R)
• M13: 9,251,581 km (0.114 R)
• M14: 10,110,871 km (0.086 R)
• M15: 11,326,504 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.4

Radius: 10.5

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.89 AU - 2.43 AU

Year: 2153 Days

Day: 10 Hours

Environment

Temp: -210 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,457,333 km

• M1: 130,599 km (0.086 R)
• M2: 463,604 km (0.083 R)
• M3: 862,731 km (0.059 R)
• M4: 1,208,003 km (0.106 R)
• M5: 1,606,232 km (0.085 R)
• M6: 2,092,126 km (0.102 R)
• M7: 3,093,534 km (0.119 R)
• M8: 3,870,546 km (0.096 R)
• M9: 4,599,087 km (0.112 R)
• M10: 4,928,651 km (0.107 R)
• M11: 5,586,284 km (0.069 R)
• M12: 6,408,623 km (0.05 R)
• M13: 6,933,712 km (0.101 R)
• M14: 7,976,409 km (0.116 R)
• M15: 9,572,319 km (0.085 R)
• M16: 10,978,988 km (0.085 R)
• M17: 12,731,676 km (0.078 R)
• M18: 14,151,959 km (0.094 R)
• M19: 14,852,825 km (0.065 R)
• M20: 16,122,462 km (0.042 R)
• M21: 16,629,599 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.2

Radius: 9.9

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.1 AU - 4.2 AU

Year: 5734 Days

Day: 6.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,457,333 km

• M1: 123,418 km (0.07 R)
• M2: 573,409 km (0.043 R)
• M3: 1,206,357 km (0.098 R)
• M4: 2,041,113 km (0.103 R)
• M5: 3,586,609 km (0.084 R)
• M6: 4,185,748 km (0.03 R)
• M7: 4,560,341 km (0.117 R)
• M8: 4,871,655 km (0.063 R)
• M9: 6,701,237 km (0.099 R)
• M10: 8,445,398 km (0.12 R)
• M11: 9,045,585 km (0.074 R)
• M12: 11,241,233 km (0.11 R)
• M13: 11,658,012 km (0.038 R)
• M14: 13,514,372 km (0.067 R)
• M15: 15,328,097 km (0.054 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 808.2

Radius: 3.4

Gravity: 69.91 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 7.93 AU - 11.41 AU

Year: 20395 Days

Day: 23.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 81,457,333 km

• M1: 42,336 km (0.053 R)
• M2: 153,637 km (0.094 R)
• M3: 369,507 km (0.118 R)
• M4: 774,917 km (0.117 R)
• M5: 1,045,839 km (0.102 R)
• M6: 1,609,374 km (0.108 R)
• M7: 2,611,231 km (0.118 R)
• M8: 2,837,124 km (0.089 R)
• M9: 4,199,661 km (0.085 R)
• M10: 5,136,443 km (0.119 R)
• M11: 5,450,748 km (0.094 R)
• M12: 5,653,453 km (0.03 R)
• M13: 7,411,827 km (0.038 R)
• M14: 12,649,697 km (0.081 R)
• M15: 13,294,314 km (0.058 R)
• M16: 14,416,747 km (0.117 R)
• M17: 18,522,012 km (0.086 R)
• M18: 19,445,778 km (0.044 R)
• M19: 19,634,122 km (0.094 R)
• M20: 22,607,978 km (0.075 R)
• M21: 26,440,526 km (0.105 R)
• M22: 28,328,152 km (0.043 R)
• M23: 29,181,608 km (0.101 R)
• M24: 30,684,169 km (0.045 R)
• M25: 31,067,738 km (0.087 R)
• M26: 32,766,870 km (0.069 R)
• M27: 38,086,571 km (0.088 R)
• M28: 38,233,925 km (0.114 R)
• M29: 39,879,052 km (0.09 R)
• M30: 44,115,814 km (0.08 R)
• M31: 49,164,143 km (0.117 R)
• M32: 52,370,624 km (0.115 R)
• M33: 65,740,485 km (0.073 R)
• M34: 67,233,621 km (0.064 R)
• M35: 67,664,314 km (0.091 R)
• M36: 72,073,113 km (0.205 R)
• M37: 80,484,253 km (0.037 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 458 - 20,351 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit