🌌 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: 780.2

Radius: 9.8

Gravity: 8.12 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.47 AU - 0.75 AU

Year: 323 Days

Day: 5.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 158.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,166,395 km

• M1: 121,922 km (0.099 R)
• M2: 443,857 km (0.094 R)
• M3: 964,607 km (0.081 R)
• M4: 1,343,688 km (0.105 R)
• M5: 1,666,670 km (0.081 R)
• M6: 1,995,187 km (0.046 R)
• M7: 2,895,018 km (0.102 R)
• M8: 3,340,969 km (0.097 R)
• M9: 3,931,432 km (0.108 R)
• M10: 4,278,200 km (0.032 R)
• M11: 4,829,917 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.9

Radius: 10

Gravity: 9.15 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.46 AU - 1.74 AU

Year: 1373 Days

Day: 11.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,166,395 km

• M1: 124,465 km (0.11 R)
• M2: 535,112 km (0.085 R)
• M3: 1,035,666 km (0.031 R)
• M4: 1,542,354 km (0.062 R)
• M5: 1,854,266 km (0.074 R)
• M6: 2,197,144 km (0.085 R)
• M7: 2,798,827 km (0.032 R)
• M8: 3,410,383 km (0.091 R)
• M9: 3,757,001 km (0.085 R)
• M10: 4,444,254 km (0.096 R)
• M11: 6,357,311 km (0.106 R)
• M12: 6,910,674 km (0.103 R)
• M13: 8,887,460 km (0.116 R)
• M14: 9,939,133 km (0.119 R)
• M15: 10,615,914 km (0.108 R)
• M16: 11,541,027 km (0.116 R)
• M17: 11,910,982 km (0.112 R)
• M18: 12,791,665 km (0.104 R)
• M19: 13,880,289 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.1

Radius: 9.7

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.7 AU - 5.14 AU

Year: 6303 Days

Day: 13.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,166,395 km

• M1: 120,725 km (0.09 R)
• M2: 530,624 km (0.079 R)
• M3: 1,494,034 km (0.069 R)
• M4: 2,807,054 km (0.112 R)
• M5: 6,411,466 km (0.088 R)
• M6: 8,718,414 km (0.099 R)
• M7: 9,334,907 km (0.089 R)
• M8: 10,097,108 km (0.103 R)
• M9: 16,365,708 km (0.077 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 283.7

Radius: 7.1

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 5.06 AU - 7.64 AU

Year: 10853 Days

Day: 18.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,166,395 km

• M1: 90,507 km (0.085 R)
• M2: 330,611 km (0.118 R)
• M3: 796,758 km (0.105 R)
• M4: 1,242,710 km (0.104 R)
• M5: 1,859,352 km (0.086 R)
• M6: 2,236,638 km (0.048 R)
• M7: 2,721,036 km (0.06 R)
• M8: 3,187,033 km (0.111 R)
• M9: 3,824,619 km (0.061 R)
• M10: 4,122,768 km (0.104 R)
• M11: 7,395,371 km (0.105 R)
• M12: 9,864,484 km (0.074 R)
• M13: 10,911,070 km (0.113 R)
• M14: 14,256,677 km (0.054 R)
• M15: 15,158,154 km (0.115 R)
• M16: 16,289,563 km (0.048 R)
• M17: 21,925,962 km (0.066 R)
• M18: 26,716,385 km (0.06 R)
• M19: 27,076,616 km (0.086 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 427.8

Radius: 4.2

Gravity: 24.25 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 6.83 AU - 8.39 AU

Year: 14239 Days

Day: 16.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 57,166,395 km

• M1: 52,359 km (0.053 R)
• M2: 315,801 km (0.089 R)
• M3: 466,596 km (0.066 R)
• M4: 733,179 km (0.105 R)
• M5: 1,016,218 km (0.046 R)
• M6: 1,226,403 km (0.055 R)
• M7: 1,423,125 km (0.071 R)
• M8: 2,179,491 km (0.053 R)
• M9: 2,429,170 km (0.104 R)
• M10: 3,196,607 km (0.12 R)
• M11: 4,772,770 km (0.111 R)
• M12: 5,061,794 km (0.047 R)
• M13: 6,221,775 km (0.072 R)
• M14: 6,411,765 km (0.081 R)
• M15: 6,964,529 km (0.089 R)
• M16: 8,300,438 km (0.054 R)
• M17: 9,595,507 km (0.045 R)
• M18: 10,317,316 km (0.059 R)
• M19: 12,578,488 km (0.057 R)
• M20: 13,129,308 km (0.06 R)
• M21: 17,442,813 km (0.114 R)
• M22: 18,437,040 km (0.09 R)
• M23: 18,908,423 km (0.11 R)
• M24: 19,067,296 km (0.029 R)
• M25: 25,787,831 km (0.108 R)
• M26: 26,081,342 km (0.096 R)
• M27: 32,317,179 km (0.047 R)
• M28: 37,190,928 km (0.114 R)
• M29: 37,816,846 km (0.05 R)
• M30: 40,654,568 km (0.08 R)
• M31: 42,260,650 km (0.071 R)
• M32: 43,079,250 km (0.089 R)
• M33: 43,216,730 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 422.8

Radius: 3.8

Gravity: 29.28 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 7.94 AU - 9.92 AU

Year: 18100 Days

Day: 21.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 57,166,395 km

• M1: 54,902 km (0.107 R)
• M2: 220,657 km (0.091 R)
• M3: 377,435 km (0.087 R)
• M4: 784,192 km (0.087 R)
• M5: 982,260 km (0.1 R)
• M6: 1,376,749 km (0.078 R)
• M7: 1,732,044 km (0.065 R)
• M8: 2,069,238 km (0.096 R)
• M9: 2,688,723 km (0.113 R)
• M10: 3,318,380 km (0.118 R)
• M11: 3,476,655 km (0.062 R)
• M12: 4,100,478 km (0.049 R)
• M13: 4,862,529 km (0.062 R)
• M14: 5,067,029 km (0.102 R)
• M15: 7,172,620 km (0.085 R)
• M16: 7,893,681 km (0.098 R)
• M17: 8,563,132 km (0.115 R)
• M18: 10,513,439 km (0.064 R)
• M19: 11,621,361 km (0.099 R)
• M20: 11,803,272 km (0.097 R)
• M21: 12,998,858 km (0.028 R)
• M22: 13,929,955 km (0.036 R)
• M23: 22,371,614 km (0.112 R)
• M24: 22,841,949 km (0.092 R)
• M25: 26,216,279 km (0.071 R)
• M26: 28,458,153 km (0.079 R)
• M27: 30,940,430 km (0.07 R)
• M28: 35,054,371 km (0.073 R)
• M29: 36,072,684 km (0.091 R)
• M30: 36,849,247 km (0.115 R)
• M31: 38,570,071 km (0.078 R)
• M32: 44,346,494 km (0.097 R)
• M33: 54,303,877 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 257.2

Radius: 7

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 8.04 AU - 11.84 AU

Year: 21255 Days

Day: 16.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,166,395 km

• M1: 87,515 km (0.099 R)
• M2: 523,443 km (0.077 R)
• M3: 947,254 km (0.111 R)
• M4: 1,235,678 km (0.119 R)
• M5: 1,479,224 km (0.041 R)
• M6: 2,232,898 km (0.084 R)
• M7: 3,073,039 km (0.104 R)
• M8: 3,319,128 km (0.104 R)
• M9: 3,658,566 km (0.097 R)
• M10: 5,185,062 km (0.082 R)
• M11: 5,428,308 km (0.075 R)
• M12: 6,165,826 km (0.106 R)
• M13: 6,720,535 km (0.111 R)
• M14: 10,769,401 km (0.097 R)
• M15: 12,539,892 km (0.112 R)
• M16: 13,106,868 km (0.078 R)
• M17: 13,822,694 km (0.101 R)
• M18: 17,254,469 km (0.115 R)
• M19: 18,594,567 km (0.104 R)
• M20: 24,071,195 km (0.043 R)
• M21: 30,872,961 km (0.089 R)
• M22: 33,079,530 km (0.077 R)
• M23: 39,920,641 km (0.106 R)
• M24: 45,703,645 km (0.074 R)
• M25: 46,893,547 km (0.108 R)
• M26: 48,104,093 km (0.079 R)
• M27: 48,871,081 km (0.11 R)
• M28: 49,646,297 km (0.076 R)
• M29: 53,154,517 km (0.052 R)
• M30: 54,304,625 km (0.076 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 499 - 13,865 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit