🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.1

Radius: 13.8

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.84 AU - 1.24 AU

Year: 719 Days

Day: 11.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,178,701 km

• M1: 171,738 km (0.113 R)
• M2: 711,787 km (0.109 R)
• M3: 1,200,224 km (0.084 R)
• M4: 1,713,494 km (0.113 R)
• M5: 2,442,335 km (0.118 R)
• M6: 3,095,180 km (0.112 R)
• M7: 3,597,829 km (0.116 R)
• M8: 4,154,931 km (0.11 R)
• M9: 5,206,903 km (0.086 R)
• M10: 6,448,566 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806

Radius: 14.3

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.07 AU - 1.15 AU

Year: 793 Days

Day: 10.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,178,701 km

• M1: 177,872 km (0.082 R)
• M2: 642,074 km (0.039 R)
• M3: 1,093,261 km (0.107 R)
• M4: 1,685,968 km (0.108 R)
• M5: 2,197,144 km (0.106 R)
• M6: 2,836,525 km (0.102 R)
• M7: 3,598,278 km (0.077 R)
• M8: 4,043,930 km (0.11 R)
• M9: 5,120,436 km (0.041 R)
• M10: 6,659,948 km (0.115 R)
• M11: 8,059,585 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.1

Radius: 8.2

Gravity: 14.16 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.62 AU - 3.88 AU

Year: 3974 Days

Day: 9.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 80,178,701 km

• M1: 102,026 km (0.096 R)
• M2: 536,159 km (0.105 R)
• M3: 960,269 km (0.116 R)
• M4: 2,573,083 km (0.092 R)
• M5: 3,554,296 km (0.114 R)
• M6: 4,791,769 km (0.117 R)
• M7: 5,781,958 km (0.12 R)
• M8: 8,310,311 km (0.092 R)
• M9: 9,484,954 km (0.074 R)
• M10: 10,069,433 km (0.11 R)
• M11: 11,635,872 km (0.108 R)
• M12: 12,452,527 km (0.102 R)
• M13: 18,428,064 km (0.108 R)
• M14: 20,208,877 km (0.085 R)
• M15: 23,502,125 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.5

Radius: 10

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.9 AU - 4.46 AU

Year: 4788 Days

Day: 12.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,178,701 km

• M1: 127,607 km (0.094 R)
• M2: 469,289 km (0.104 R)
• M3: 1,051,523 km (0.091 R)
• M4: 1,724,564 km (0.087 R)
• M5: 2,280,171 km (0.061 R)
• M6: 2,870,783 km (0.091 R)
• M7: 3,669,935 km (0.118 R)
• M8: 4,079,235 km (0.084 R)
• M9: 6,532,490 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.9

Radius: 14.4

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 3.06 AU - 5.1 AU

Year: 5590 Days

Day: 11.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 80,178,701 km

• M1: 179,069 km (0.108 R)
• M2: 753,225 km (0.07 R)
• M3: 1,679,685 km (0.115 R)
• M4: 2,649,677 km (0.118 R)
• M5: 3,302,822 km (0.11 R)
• M6: 4,935,533 km (0.077 R)
• M7: 6,986,071 km (0.071 R)
• M8: 7,449,226 km (0.078 R)
• M9: 9,684,966 km (0.084 R)
• M10: 10,628,779 km (0.108 R)
• M11: 15,264,069 km (0.048 R)
• M12: 16,355,685 km (0.099 R)
• M13: 20,806,969 km (0.117 R)
• M14: 21,996,721 km (0.099 R)
• M15: 26,007,889 km (0.107 R)
• M16: 27,476,192 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 63.5

Radius: 6.6

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 6.2 AU - 8.38 AU

Year: 13350 Days

Day: 19.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 80,178,701 km

• M1: 82,578 km (0.081 R)
• M2: 463,005 km (0.096 R)
• M3: 2,684,384 km (0.089 R)
• M4: 3,262,131 km (0.108 R)
• M5: 3,663,502 km (0.101 R)
• M6: 5,331,219 km (0.076 R)
• M7: 6,180,935 km (0.094 R)
• M8: 6,763,918 km (0.114 R)
• M9: 7,052,492 km (0.074 R)
• M10: 7,792,703 km (0.058 R)
• M11: 8,884,019 km (0.093 R)
• M12: 9,787,141 km (0.104 R)
• M13: 11,276,687 km (0.105 R)
• M14: 14,223,616 km (0.07 R)
• M15: 17,347,668 km (0.111 R)
• M16: 17,828,476 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 842.6

Radius: 7.7

Gravity: 14.21 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 8.03 AU - 10.15 AU

Year: 18588 Days

Day: 24.1 Hours

Environment

Temp: -244 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 80,178,701 km

• M1: 118,033 km (0.067 R)
• M2: 456,872 km (0.046 R)
• M3: 754,123 km (0.107 R)
• M4: 1,128,118 km (0.116 R)
• M5: 3,713,767 km (0.119 R)
• M6: 4,766,936 km (0.075 R)
• M7: 5,247,295 km (0.105 R)
• M8: 5,558,608 km (0.039 R)
• M9: 6,006,803 km (0.061 R)
• M10: 6,261,269 km (0.108 R)
• M11: 6,929,373 km (0.056 R)
• M12: 8,565,076 km (0.074 R)
• M13: 9,052,616 km (0.064 R)
• M14: 11,640,809 km (0.102 R)
• M15: 14,608,681 km (0.112 R)
• M16: 15,780,631 km (0.033 R)
• M17: 16,595,939 km (0.067 R)
• M18: 16,845,917 km (0.114 R)
• M19: 17,098,438 km (0.097 R)
• M20: 18,846,938 km (0.112 R)
• M21: 21,294,060 km (0.119 R)
• M22: 21,987,297 km (0.098 R)
• M23: 24,264,475 km (0.104 R)
• M24: 32,811,002 km (0.102 R)
• M25: 34,002,848 km (0.115 R)
• M26: 34,541,849 km (0.086 R)
• M27: 35,086,385 km (0.092 R)
• M28: 37,751,771 km (0.108 R)
• M29: 42,696,579 km (0.071 R)
• M30: 44,276,183 km (0.06 R)
• M31: 44,918,705 km (0.112 R)
• M32: 46,222,600 km (0.057 R)
• M33: 49,420,105 km (0.103 R)
• M34: 58,148,543 km (0.087 R)
• M35: 59,501,655 km (0.057 R)
• M36: 64,299,858 km (0.077 R)
• M37: 65,746,469 km (0.093 R)
• M38: 67,003,540 km (0.114 R)
• M39: 69,565,703 km (0.031 R)
• M40: 75,111,894 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 595.2

Radius: 6.9

Gravity: 12.5 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 9.38 AU - 11.7 AU

Year: 23209 Days

Day: 19 Hours

Environment

Temp: -241 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 80,178,701 km

• M1: 105,766 km (0.084 R)
• M2: 617,989 km (0.08 R)
• M3: 881,730 km (0.049 R)
• M4: 1,152,053 km (0.074 R)
• M5: 1,382,883 km (0.048 R)
• M6: 3,043,269 km (0.087 R)
• M7: 3,578,979 km (0.091 R)
• M8: 3,853,791 km (0.062 R)
• M9: 4,411,641 km (0.043 R)
• M10: 8,723,800 km (0.082 R)
• M11: 12,697,568 km (0.084 R)
• M12: 13,338,745 km (0.078 R)
• M13: 14,001,164 km (0.117 R)
• M14: 15,232,953 km (0.12 R)
• M15: 16,618,977 km (0.085 R)
• M16: 17,299,498 km (0.052 R)
• M17: 23,007,704 km (0.104 R)
• M18: 27,089,482 km (0.073 R)
• M19: 28,390,086 km (0.118 R)
• M20: 29,239,203 km (0.119 R)
• M21: 30,733,985 km (0.116 R)
• M22: 31,887,983 km (0.117 R)
• M23: 32,148,283 km (0.076 R)
• M24: 33,337,287 km (0.093 R)
• M25: 35,662,636 km (0.09 R)
• M26: 37,079,927 km (0.079 R)
• M27: 38,534,317 km (0.117 R)
• M28: 39,875,462 km (0.073 R)
• M29: 48,238,581 km (0.117 R)
• M30: 57,313,487 km (0.088 R)
• M31: 70,064,761 km (0.052 R)
• M32: 78,983,337 km (0.049 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 334 - 18,750 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit