🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.9

Radius: 13.6

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.64 AU - 0.86 AU

Year: 419 Days

Day: 11.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 142.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 17,015,052 km

• M1: 169,195 km (0.085 R)
• M2: 665,411 km (0.096 R)
• M3: 1,090,269 km (0.064 R)
• M4: 1,534,276 km (0.086 R)
• M5: 1,982,022 km (0.066 R)
• M6: 2,862,406 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.9

Radius: 10.3

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.82 AU - 1.06 AU

Year: 588 Days

Day: 12.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 17,015,052 km

• M1: 128,505 km (0.118 R)
• M2: 539,151 km (0.118 R)
• M3: 916,736 km (0.108 R)
• M4: 1,418,188 km (0.092 R)
• M5: 2,082,103 km (0.109 R)
• M6: 2,448,468 km (0.104 R)
• M7: 3,364,606 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.2

Radius: 14.2

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.17 AU - 2.39 AU

Year: 2223 Days

Day: 11.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 17,015,052 km

• M1: 179,069 km (0.119 R)
• M2: 673,490 km (0.115 R)
• M3: 1,130,960 km (0.106 R)
• M4: 2,021,067 km (0.113 R)
• M5: 2,662,693 km (0.104 R)
• M6: 3,309,703 km (0.1 R)
• M7: 4,152,388 km (0.034 R)
• M8: 5,048,330 km (0.115 R)
• M9: 6,617,163 km (0.116 R)
• M10: 7,584,462 km (0.073 R)
• M11: 9,113,801 km (0.083 R)
• M12: 10,036,521 km (0.102 R)
• M13: 10,768,653 km (0.112 R)
• M14: 12,068,210 km (0.053 R)
• M15: 12,656,129 km (0.082 R)
• M16: 13,889,414 km (0.1 R)
• M17: 14,843,849 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.6

Radius: 11.6

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.78 AU - 4.44 AU

Year: 5380 Days

Day: 7.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 17,015,052 km

• M1: 144,212 km (0.092 R)
• M2: 687,402 km (0.047 R)
• M3: 1,880,146 km (0.069 R)
• M4: 3,083,063 km (0.118 R)
• M5: 4,069,212 km (0.092 R)
• M6: 4,721,010 km (0.113 R)
• M7: 5,300,851 km (0.093 R)
• M8: 6,003,063 km (0.093 R)
• M9: 6,848,890 km (0.078 R)
• M10: 10,554,579 km (0.085 R)
• M11: 13,897,642 km (0.054 R)
• M12: 15,614,876 km (0.112 R)
• M13: 17,005,538 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.1

Radius: 12.3

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 4.82 AU - 6 AU

Year: 8125 Days

Day: 12.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 17,015,052 km

• M1: 154,235 km (0.114 R)
• M2: 805,884 km (0.099 R)
• M3: 1,710,053 km (0.092 R)
• M4: 2,096,465 km (0.108 R)
• M5: 2,658,205 km (0.089 R)
• M6: 3,094,432 km (0.117 R)
• M7: 4,908,905 km (0.117 R)
• M8: 6,079,657 km (0.109 R)
• M9: 7,269,110 km (0.112 R)
• M10: 8,608,161 km (0.057 R)
• M11: 9,667,613 km (0.074 R)
• M12: 10,505,361 km (0.079 R)
• M13: 11,444,237 km (0.09 R)
• M14: 13,429,401 km (0.112 R)
• M15: 14,222,120 km (0.097 R)
• M16: 15,767,316 km (0.117 R)
• M17: 21,154,037 km (0.115 R)
• M18: 22,649,566 km (0.042 R)
• M19: 23,336,520 km (0.074 R)
• M20: 24,661,807 km (0.097 R)
• M21: 26,981,173 km (0.053 R)
• M22: 28,938,810 km (0.1 R)
• M23: 33,797,450 km (0.072 R)
• M24: 41,297,689 km (0.111 R)
• M25: 42,841,988 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.4

Radius: 14.6

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 4.44 AU - 7.04 AU

Year: 8879 Days

Day: 12.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 17,015,052 km

• M1: 182,360 km (0.108 R)
• M2: 742,454 km (0.025 R)
• M3: 1,239,568 km (0.097 R)
• M4: 1,871,918 km (0.098 R)
• M5: 2,655,661 km (0.091 R)
• M6: 3,286,067 km (0.11 R)
• M7: 4,069,361 km (0.117 R)
• M8: 4,819,894 km (0.116 R)
• M9: 5,492,336 km (0.087 R)
• M10: 7,347,799 km (0.109 R)
• M11: 7,849,550 km (0.095 R)
• M12: 9,062,938 km (0.103 R)
• M13: 10,397,950 km (0.096 R)
• M14: 10,978,090 km (0.102 R)
• M15: 12,789,870 km (0.074 R)
• M16: 17,143,916 km (0.112 R)
• M17: 22,574,618 km (0.034 R)
• M18: 25,773,469 km (0.039 R)
• M19: 26,838,307 km (0.114 R)
• M20: 28,033,145 km (0.093 R)
• M21: 29,681,115 km (0.102 R)
• M22: 32,162,196 km (0.068 R)
• M23: 36,318,623 km (0.11 R)
• M24: 41,080,922 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 331.8

Radius: 6.5

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 8.01 AU - 8.23 AU

Year: 14940 Days

Day: 17.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 17,015,052 km

• M1: 98,435 km (0.12 R)
• M2: 357,838 km (0.105 R)
• M3: 759,808 km (0.098 R)
• M4: 1,015,770 km (0.097 R)
• M5: 1,474,287 km (0.117 R)
• M6: 1,766,900 km (0.083 R)
• M7: 1,994,289 km (0.097 R)
• M8: 2,528,503 km (0.076 R)
• M9: 3,153,972 km (0.105 R)
• M10: 3,367,747 km (0.077 R)
• M11: 3,771,961 km (0.118 R)
• M12: 4,350,755 km (0.077 R)
• M13: 4,799,399 km (0.101 R)
• M14: 5,344,534 km (0.101 R)
• M15: 5,894,605 km (0.113 R)
• M16: 6,183,478 km (0.066 R)
• M17: 7,026,762 km (0.046 R)
• M18: 7,771,759 km (0.097 R)
• M19: 8,892,397 km (0.118 R)
• M20: 12,187,290 km (0.048 R)
• M21: 14,329,980 km (0.089 R)
• M22: 18,260,514 km (0.098 R)
• M23: 18,643,036 km (0.071 R)
• M24: 19,662,396 km (0.099 R)
• M25: 22,069,426 km (0.092 R)
• M26: 24,759,196 km (0.079 R)
• M27: 31,868,834 km (0.089 R)
• M28: 32,871,290 km (0.07 R)
• M29: 35,292,232 km (0.091 R)
• M30: 35,766,457 km (0.087 R)
• M31: 38,953,042 km (0.047 R)
• M32: 40,615,074 km (0.106 R)
• M33: 41,135,974 km (0.12 R)
• M34: 41,529,416 km (0.086 R)
• M35: 41,793,157 km (0.084 R)
• M36: 43,398,941 km (0.077 R)
• M37: 47,018,611 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 12.4

Radius: 4.8

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 7.92 AU - 8.88 AU

Year: 15719 Days

Day: 21.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 61.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 17,015,052 km

• M1: 130,449 km (0.102 R)
• M2: 324,627 km (0.12 R)
• M3: 1,543,700 km (0.086 R)
• M4: 2,457,594 km (0.043 R)
• M5: 2,627,088 km (0.105 R)
• M6: 4,716,073 km (0.114 R)
• M7: 5,159,182 km (0.115 R)
• M8: 6,231,350 km (0.088 R)
• M9: 7,298,880 km (0.114 R)
• M10: 7,740,194 km (0.091 R)
• M11: 9,684,667 km (0.116 R)
• M12: 13,963,465 km (0.059 R)
• M13: 14,642,789 km (0.038 R)
• M14: 15,060,766 km (0.103 R)
• M15: 15,630,285 km (0.118 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: 208 - 20,019 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit