🌌 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: 754.3

Radius: 14.8

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.46 AU - 0.76 AU

Year: 329 Days

Day: 10.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 80,041,043 km

• M1: 184,005 km (0.101 R)
• M2: 648,357 km (0.113 R)
• M3: 1,184,666 km (0.112 R)
• M4: 1,744,162 km (0.1 R)
• M5: 2,266,408 km (0.118 R)
• M6: 2,893,821 km (0.099 R)
• M7: 4,135,484 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.9

Radius: 12.5

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.63 AU - 0.81 AU

Year: 422 Days

Day: 10 Hours

Environment

Temp: -165 °C

Axial Tilt: 66.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 80,041,043 km

• M1: 155,582 km (0.045 R)
• M2: 565,181 km (0.092 R)
• M3: 983,157 km (0.068 R)
• M4: 1,441,525 km (0.109 R)
• M5: 1,914,703 km (0.057 R)
• M6: 2,843,108 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.7

Radius: 12.6

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.68 AU - 1.02 AU

Year: 541 Days

Day: 13.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 128.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 80,041,043 km

• M1: 156,779 km (0.057 R)
• M2: 651,798 km (0.093 R)
• M3: 1,781,711 km (0.088 R)
• M4: 2,435,902 km (0.104 R)
• M5: 4,158,222 km (0.107 R)
• M6: 4,660,273 km (0.111 R)
• M7: 6,158,196 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.8

Radius: 11.2

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.94 AU - 1.12 AU

Year: 722 Days

Day: 7.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,041,043 km

• M1: 139,276 km (0.092 R)
• M2: 547,079 km (0.115 R)
• M3: 954,434 km (0.102 R)
• M4: 1,428,061 km (0.084 R)
• M5: 1,833,920 km (0.113 R)
• M6: 2,817,377 km (0.118 R)
• M7: 4,195,323 km (0.055 R)
• M8: 4,636,636 km (0.113 R)
• M9: 5,058,502 km (0.075 R)
• M10: 7,114,426 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.8

Radius: 12.9

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.99 AU - 1.45 AU

Year: 930 Days

Day: 13.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,041,043 km

• M1: 160,519 km (0.035 R)
• M2: 590,313 km (0.06 R)
• M3: 1,030,131 km (0.087 R)
• M4: 1,463,067 km (0.114 R)
• M5: 2,361,402 km (0.106 R)
• M6: 2,869,437 km (0.112 R)
• M7: 3,524,376 km (0.091 R)
• M8: 4,125,012 km (0.05 R)
• M9: 4,738,064 km (0.085 R)
• M10: 5,431,300 km (0.111 R)
• M11: 6,853,976 km (0.107 R)
• M12: 8,267,826 km (0.087 R)
• M13: 9,567,981 km (0.035 R)
• M14: 10,613,520 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267

Radius: 11.6

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.68 AU - 2.22 AU

Year: 1880 Days

Day: 10.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,041,043 km

• M1: 144,362 km (0.072 R)
• M2: 515,963 km (0.083 R)
• M3: 1,360,144 km (0.089 R)
• M4: 1,804,749 km (0.111 R)
• M5: 2,783,119 km (0.087 R)
• M6: 3,303,121 km (0.103 R)
• M7: 4,892,150 km (0.051 R)
• M8: 6,040,313 km (0.098 R)
• M9: 6,468,313 km (0.102 R)
• M10: 7,037,832 km (0.071 R)
• M11: 8,007,974 km (0.044 R)
• M12: 9,417,485 km (0.099 R)
• M13: 9,963,368 km (0.113 R)
• M14: 11,152,072 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.6

Radius: 14.6

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 4.33 AU - 4.97 AU

Year: 6921 Days

Day: 6.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 80,041,043 km

• M1: 181,612 km (0.069 R)
• M2: 818,899 km (0.085 R)
• M3: 1,486,704 km (0.082 R)
• M4: 2,692,612 km (0.091 R)
• M5: 3,282,327 km (0.1 R)
• M6: 3,738,900 km (0.118 R)
• M7: 5,527,193 km (0.075 R)
• M8: 6,280,567 km (0.11 R)
• M9: 7,064,311 km (0.11 R)
• M10: 7,596,430 km (0.054 R)
• M11: 8,237,308 km (0.114 R)
• M12: 9,045,136 km (0.053 R)
• M13: 9,765,899 km (0.113 R)
• M14: 11,736,551 km (0.098 R)
• M15: 13,379,734 km (0.113 R)
• M16: 14,618,106 km (0.081 R)
• M17: 15,996,052 km (0.049 R)
• M18: 16,716,814 km (0.101 R)
• M19: 17,459,119 km (0.038 R)
• M20: 18,865,039 km (0.112 R)
• M21: 19,521,774 km (0.103 R)
• M22: 20,345,161 km (0.061 R)
• M23: 26,228,247 km (0.109 R)
• M24: 27,788,852 km (0.088 R)
• M25: 29,119,824 km (0.092 R)
• M26: 36,307,553 km (0.046 R)
• M27: 37,096,981 km (0.078 R)
• M28: 38,710,095 km (0.068 R)
• M29: 39,179,383 km (0.071 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.3

Radius: 11.4

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 4.16 AU - 5.34 AU

Year: 7146 Days

Day: 8.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,041,043 km

• M1: 141,819 km (0.107 R)
• M2: 520,002 km (0.06 R)
• M3: 1,407,267 km (0.111 R)
• M4: 1,815,221 km (0.086 R)
• M5: 2,176,799 km (0.081 R)
• M6: 3,479,497 km (0.036 R)
• M7: 3,857,381 km (0.112 R)
• M8: 4,592,056 km (0.04 R)
• M9: 5,020,654 km (0.114 R)
• M10: 8,181,059 km (0.105 R)
• M11: 11,478,944 km (0.117 R)
• M12: 12,271,962 km (0.103 R)
• M13: 16,237,951 km (0.106 R)
• M14: 19,634,870 km (0.094 R)
• M15: 22,627,127 km (0.077 R)
• M16: 26,757,524 km (0.118 R)
• M17: 29,045,175 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 441.7

Radius: 5.4

Gravity: 15.15 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 6.03 AU - 7.71 AU

Year: 12429 Days

Day: 15 Hours

Environment

Temp: -220 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 80,041,043 km

• M1: 67,469 km (0.026 R)
• M2: 262,993 km (0.059 R)
• M3: 997,668 km (0.116 R)
• M4: 1,832,424 km (0.109 R)
• M5: 2,588,043 km (0.05 R)
• M6: 3,149,634 km (0.106 R)
• M7: 3,711,074 km (0.033 R)
• M8: 5,255,373 km (0.066 R)
• M9: 5,795,272 km (0.054 R)
• M10: 6,150,866 km (0.102 R)
• M11: 8,507,481 km (0.061 R)
• M12: 9,491,237 km (0.1 R)
• M13: 10,600,804 km (0.112 R)
• M14: 11,078,770 km (0.083 R)
• M15: 12,716,567 km (0.042 R)
• M16: 17,614,252 km (0.104 R)
• M17: 18,511,390 km (0.08 R)
• M18: 18,740,424 km (0.117 R)
• M19: 19,517,286 km (0.075 R)
• M20: 21,218,214 km (0.102 R)
• M21: 22,147,516 km (0.112 R)
• M22: 24,359,919 km (0.091 R)
• M23: 27,499,978 km (0.106 R)
• M24: 27,998,139 km (0.095 R)
• M25: 28,807,613 km (0.061 R)
• M26: 31,437,993 km (0.098 R)
• M27: 38,518,909 km (0.113 R)
• M28: 43,159,285 km (0.115 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 638.3

Radius: 6.6

Gravity: 14.65 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 9.94 AU - 10.38 AU

Year: 22354 Days

Day: 21.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 80,041,043 km

• M1: 82,129 km (0.05 R)
• M2: 454,478 km (0.045 R)
• M3: 1,080,545 km (0.108 R)
• M4: 1,376,899 km (0.079 R)
• M5: 1,655,899 km (0.066 R)
• M6: 2,373,071 km (0.081 R)
• M7: 2,629,183 km (0.099 R)
• M8: 2,955,605 km (0.034 R)
• M9: 4,132,192 km (0.102 R)
• M10: 4,574,254 km (0.059 R)
• M11: 6,709,165 km (0.077 R)
• M12: 7,515,049 km (0.106 R)
• M13: 9,374,401 km (0.099 R)
• M14: 10,379,848 km (0.102 R)
• M15: 12,053,699 km (0.065 R)
• M16: 12,602,873 km (0.097 R)
• M17: 13,168,801 km (0.068 R)
• M18: 15,522,125 km (0.106 R)
• M19: 16,008,019 km (0.069 R)
• M20: 16,254,706 km (0.106 R)
• M21: 17,095,446 km (0.111 R)
• M22: 18,053,321 km (0.107 R)
• M23: 22,346,332 km (0.107 R)
• M24: 23,384,840 km (0.086 R)
• M25: 24,892,487 km (0.101 R)
• M26: 28,459,050 km (0.104 R)
• M27: 34,493,978 km (0.079 R)
• M28: 36,302,317 km (0.087 R)
• M29: 38,319,345 km (0.059 R)
• M30: 38,761,107 km (0.039 R)
• M31: 43,847,136 km (0.08 R)
• M32: 45,143,701 km (0.062 R)
• M33: 45,636,476 km (0.12 R)
• M34: 46,299,195 km (0.07 R)
• M35: 47,474,136 km (0.119 R)
• M36: 50,763,195 km (0.038 R)
• M37: 64,605,336 km (0.114 R)
• M38: 67,560,194 km (0.049 R)
• M39: 68,420,681 km (0.111 R)
• M40: 69,288,348 km (0.096 R)
• M41: 78,137,361 km (0.106 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: 259 - 19,270 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit