🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.8

Radius: 14.7

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.53 AU - 0.55 AU

Year: 274 Days

Day: 5 Hours

Environment

Temp: -134 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,208,426 km

• M1: 182,809 km (0.093 R)
• M2: 697,276 km (0.063 R)
• M3: 1,677,291 km (0.111 R)
• M4: 2,154,509 km (0.073 R)
• M5: 2,752,002 km (0.036 R)
• M6: 3,470,521 km (0.1 R)
• M7: 4,158,671 km (0.093 R)
• M8: 4,795,809 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323

Radius: 12.3

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.04 AU - 1.58 AU

Year: 1035 Days

Day: 12.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,208,426 km

• M1: 171,589 km (0.058 R)
• M2: 588,817 km (0.061 R)
• M3: 1,120,039 km (0.088 R)
• M4: 1,503,159 km (0.104 R)
• M5: 2,095,118 km (0.092 R)
• M6: 2,526,558 km (0.104 R)
• M7: 3,924,401 km (0.117 R)
• M8: 4,902,621 km (0.026 R)
• M9: 5,804,547 km (0.115 R)
• M10: 6,215,044 km (0.044 R)
• M11: 7,094,679 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.2

Radius: 13.3

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.68 AU - 2.4 AU

Year: 2011 Days

Day: 12.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,208,426 km

• M1: 169,794 km (0.088 R)
• M2: 609,013 km (0.073 R)
• M3: 1,097,450 km (0.061 R)
• M4: 1,662,481 km (0.083 R)
• M5: 2,185,475 km (0.119 R)
• M6: 3,065,560 km (0.079 R)
• M7: 3,732,467 km (0.099 R)
• M8: 5,287,836 km (0.12 R)
• M9: 8,363,119 km (0.076 R)
• M10: 10,501,023 km (0.097 R)
• M11: 11,146,089 km (0.096 R)
• M12: 12,431,882 km (0.11 R)
• M13: 13,197,524 km (0.057 R)
• M14: 13,725,156 km (0.102 R)
• M15: 16,730,278 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.8

Radius: 10.3

Gravity: 9.02 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.13 AU - 4.53 AU

Year: 5174 Days

Day: 14.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,208,426 km

• M1: 128,056 km (0.084 R)
• M2: 552,166 km (0.113 R)
• M3: 1,094,608 km (0.098 R)
• M4: 1,856,659 km (0.073 R)
• M5: 2,464,625 km (0.114 R)
• M6: 3,018,885 km (0.057 R)
• M7: 3,980,650 km (0.048 R)
• M8: 4,854,750 km (0.107 R)
• M9: 5,308,181 km (0.083 R)
• M10: 6,532,939 km (0.03 R)
• M11: 7,122,205 km (0.084 R)
• M12: 8,367,159 km (0.079 R)
• M13: 8,854,100 km (0.084 R)
• M14: 10,109,076 km (0.109 R)
• M15: 13,844,385 km (0.103 R)
• M16: 15,349,938 km (0.105 R)
• M17: 18,142,033 km (0.114 R)
• M18: 19,586,999 km (0.072 R)
• M19: 20,157,266 km (0.043 R)
• M20: 21,330,861 km (0.065 R)
• M21: 29,531,816 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.6

Radius: 13.8

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 4.23 AU - 4.87 AU

Year: 6699 Days

Day: 7.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,208,426 km

• M1: 206,445 km (0.078 R)
• M2: 739,462 km (0.115 R)
• M3: 2,170,366 km (0.038 R)
• M4: 2,896,364 km (0.119 R)
• M5: 3,617,426 km (0.119 R)
• M6: 4,184,851 km (0.107 R)
• M7: 4,983,853 km (0.057 R)
• M8: 5,446,709 km (0.107 R)
• M9: 6,195,297 km (0.051 R)
• M10: 7,234,553 km (0.087 R)
• M11: 8,895,837 km (0.103 R)
• M12: 10,926,329 km (0.119 R)
• M13: 12,118,624 km (0.063 R)
• M14: 14,296,171 km (0.091 R)
• M15: 16,050,954 km (0.049 R)
• M16: 17,414,539 km (0.109 R)
• M17: 18,305,244 km (0.09 R)
• M18: 23,648,731 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 190.9

Radius: 5.5

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 6.24 AU - 6.38 AU

Year: 10941 Days

Day: 23.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,208,426 km

• M1: 69,413 km (0.094 R)
• M2: 295,905 km (0.092 R)
• M3: 1,735,186 km (0.119 R)
• M4: 3,091,440 km (0.078 R)
• M5: 4,092,100 km (0.112 R)
• M6: 4,733,127 km (0.071 R)
• M7: 5,988,702 km (0.115 R)
• M8: 7,598,525 km (0.093 R)
• M9: 13,348,917 km (0.087 R)
• M10: 20,370,293 km (0.074 R)
• M11: 20,949,686 km (0.115 R)
• M12: 21,839,195 km (0.119 R)
• M13: 29,880,679 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 947.2

Radius: 7.5

Gravity: 16.84 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 5.09 AU - 8.31 AU

Year: 11971 Days

Day: 24.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 39,208,426 km

• M1: 109,057 km (0.091 R)
• M2: 393,891 km (0.107 R)
• M3: 1,237,474 km (0.108 R)
• M4: 1,700,180 km (0.1 R)
• M5: 2,273,140 km (0.107 R)
• M6: 3,212,764 km (0.095 R)
• M7: 3,577,334 km (0.115 R)
• M8: 3,854,539 km (0.1 R)
• M9: 6,699,741 km (0.114 R)
• M10: 7,208,673 km (0.118 R)
• M11: 7,927,341 km (0.119 R)
• M12: 10,203,921 km (0.092 R)
• M13: 14,628,577 km (0.113 R)
• M14: 16,298,538 km (0.082 R)
• M15: 17,770,881 km (0.043 R)
• M16: 21,426,604 km (0.12 R)
• M17: 24,059,078 km (0.104 R)
• M18: 29,282,736 km (0.111 R)
• M19: 30,640,187 km (0.103 R)
• M20: 31,218,084 km (0.065 R)
• M21: 32,995,007 km (0.045 R)
• M22: 34,963,715 km (0.078 R)
• M23: 36,879,316 km (0.118 R)
• M24: 44,060,911 km (0.099 R)
• M25: 49,386,446 km (0.103 R)
• M26: 50,500,651 km (0.059 R)
• M27: 50,983,254 km (0.088 R)
• M28: 54,111,644 km (0.108 R)
• M29: 54,448,239 km (0.067 R)
• M30: 56,152,010 km (0.103 R)
• M31: 59,129,456 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 917.3

Radius: 5.7

Gravity: 28.23 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 7.03 AU - 7.89 AU

Year: 14064 Days

Day: 17.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 39,208,426 km

• M1: 72,405 km (0.092 R)
• M2: 252,671 km (0.08 R)
• M3: 616,942 km (0.09 R)
• M4: 941,719 km (0.115 R)
• M5: 1,289,833 km (0.104 R)
• M6: 1,824,047 km (0.096 R)
• M7: 2,674,810 km (0.064 R)
• M8: 3,372,534 km (0.103 R)
• M9: 4,342,826 km (0.099 R)
• M10: 6,148,323 km (0.079 R)
• M11: 7,261,181 km (0.054 R)
• M12: 8,352,199 km (0.099 R)
• M13: 8,910,947 km (0.061 R)
• M14: 10,795,431 km (0.092 R)
• M15: 12,600,180 km (0.107 R)
• M16: 13,955,985 km (0.117 R)
• M17: 14,741,673 km (0.034 R)
• M18: 16,245,282 km (0.099 R)
• M19: 21,740,311 km (0.084 R)
• M20: 26,700,078 km (0.039 R)
• M21: 29,268,225 km (0.111 R)
• M22: 37,406,948 km (0.101 R)
• M23: 39,618,902 km (0.116 R)
• M24: 41,916,575 km (0.109 R)
• M25: 44,149,922 km (0.095 R)
• M26: 45,065,012 km (0.101 R)
• M27: 45,992,669 km (0.119 R)
• M28: 46,461,209 km (0.081 R)
• M29: 47,249,291 km (0.075 R)
• M30: 52,335,169 km (0.065 R)
• M31: 58,137,323 km (0.071 R)
• M32: 64,548,639 km (0.066 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 41.8

Radius: 7.9

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 7.94 AU - 11.16 AU

Year: 20371 Days

Day: 16.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,208,426 km

• M1: 98,286 km (0.109 R)
• M2: 370,255 km (0.1 R)
• M3: 733,778 km (0.039 R)
• M4: 1,194,389 km (0.094 R)
• M5: 2,227,662 km (0.11 R)
• M6: 2,569,194 km (0.093 R)
• M7: 3,317,333 km (0.079 R)
• M8: 5,608,125 km (0.085 R)
• M9: 7,656,419 km (0.091 R)
• M10: 9,271,178 km (0.075 R)
• M11: 9,644,575 km (0.11 R)
• M12: 10,780,322 km (0.116 R)
• M13: 12,051,455 km (0.11 R)
• M14: 13,684,016 km (0.082 R)
• M15: 13,951,797 km (0.063 R)
• M16: 14,442,627 km (0.114 R)
• M17: 24,568,907 km (0.076 R)
• M18: 27,600,508 km (0.066 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 79.4

Radius: 7.5

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 9.35 AU - 10.59 AU

Year: 21730 Days

Day: 22.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,208,426 km

• M1: 96,341 km (0.118 R)
• M2: 581,637 km (0.071 R)
• M3: 854,653 km (0.104 R)
• M4: 1,524,701 km (0.094 R)
• M5: 2,540,770 km (0.119 R)
• M6: 3,493,858 km (0.064 R)
• M7: 5,160,827 km (0.101 R)
• M8: 6,889,132 km (0.092 R)
• M9: 9,325,632 km (0.052 R)
• M10: 11,648,139 km (0.097 R)
• M11: 13,281,149 km (0.08 R)
• M12: 14,033,926 km (0.078 R)
• M13: 14,271,188 km (0.082 R)
• M14: 14,511,143 km (0.09 R)
• M15: 16,860,428 km (0.112 R)
• M16: 17,881,134 km (0.079 R)
• M17: 20,045,217 km (0.084 R)
• M18: 21,502,749 km (0.087 R)
• M19: 21,977,274 km (0.112 R)
• M20: 28,608,199 km (0.102 R)
• M21: 28,894,380 km (0.104 R)
• M22: 31,252,342 km (0.112 R)
• M23: 36,795,541 km (0.115 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 526 - 15,670 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit