🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.5

Radius: 10.9

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.86 AU - 1.28 AU

Year: 704 Days

Day: 14.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,982,425 km

• M1: 144,512 km (0.031 R)
• M2: 718,668 km (0.041 R)
• M3: 1,325,886 km (0.118 R)
• M4: 1,674,150 km (0.025 R)
• M5: 2,017,776 km (0.105 R)
• M6: 3,525,573 km (0.068 R)
• M7: 3,945,793 km (0.085 R)
• M8: 5,282,151 km (0.03 R)
• M9: 5,834,467 km (0.119 R)
• M10: 6,789,350 km (0.069 R)
• M11: 8,287,124 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.9

Radius: 11.5

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.87 AU - 2.11 AU

Year: 1785 Days

Day: 14.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,982,425 km

• M1: 160,519 km (0.095 R)
• M2: 528,380 km (0.117 R)
• M3: 1,077,254 km (0.082 R)
• M4: 1,842,896 km (0.101 R)
• M5: 2,636,214 km (0.087 R)
• M6: 3,134,375 km (0.11 R)
• M7: 3,797,542 km (0.113 R)
• M8: 4,455,025 km (0.08 R)
• M9: 5,294,717 km (0.093 R)
• M10: 6,068,587 km (0.091 R)
• M11: 8,363,119 km (0.076 R)
• M12: 8,723,949 km (0.109 R)
• M13: 9,704,713 km (0.039 R)
• M14: 10,898,654 km (0.117 R)
• M15: 11,623,455 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.3

Radius: 13.3

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.89 AU - 2.85 AU

Year: 2320 Days

Day: 11 Hours

Environment

Temp: -199 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,982,425 km

• M1: 165,455 km (0.088 R)
• M2: 686,056 km (0.1 R)
• M3: 1,128,267 km (0.113 R)
• M4: 1,893,011 km (0.102 R)
• M5: 3,407,839 km (0.092 R)
• M6: 4,005,633 km (0.053 R)
• M7: 4,562,436 km (0.109 R)
• M8: 5,091,863 km (0.098 R)
• M9: 6,786,807 km (0.115 R)
• M10: 7,453,415 km (0.098 R)
• M11: 8,190,483 km (0.109 R)
• M12: 10,120,894 km (0.079 R)
• M13: 10,631,322 km (0.117 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 568.5

Radius: 4

Gravity: 35.53 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 7.72 AU - 10.12 AU

Year: 16939 Days

Day: 20.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 140.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 71,982,425 km

• M1: 52,958 km (0.116 R)
• M2: 232,924 km (0.1 R)
• M3: 474,674 km (0.11 R)
• M4: 778,208 km (0.058 R)
• M5: 1,213,239 km (0.029 R)
• M6: 1,365,380 km (0.088 R)
• M7: 1,577,510 km (0.05 R)
• M8: 2,087,189 km (0.112 R)
• M9: 2,839,218 km (0.042 R)
• M10: 2,984,328 km (0.083 R)
• M11: 3,814,596 km (0.07 R)
• M12: 4,267,130 km (0.1 R)
• M13: 4,754,520 km (0.05 R)
• M14: 4,994,325 km (0.029 R)
• M15: 5,460,921 km (0.088 R)
• M16: 6,194,399 km (0.113 R)
• M17: 6,563,756 km (0.101 R)
• M18: 6,775,138 km (0.089 R)
• M19: 6,991,157 km (0.058 R)
• M20: 9,625,576 km (0.113 R)
• M21: 9,788,937 km (0.072 R)
• M22: 11,646,793 km (0.097 R)
• M23: 12,208,832 km (0.099 R)
• M24: 15,292,792 km (0.099 R)
• M25: 16,426,145 km (0.054 R)
• M26: 28,236,897 km (0.032 R)
• M27: 30,870,568 km (0.119 R)
• M28: 32,673,671 km (0.111 R)
• M29: 34,039,799 km (0.115 R)
• M30: 36,356,471 km (0.106 R)
• M31: 37,419,065 km (0.049 R)
• M32: 37,687,892 km (0.041 R)
• M33: 38,093,602 km (0.079 R)
• M34: 42,896,741 km (0.076 R)
• M35: 44,232,500 km (0.115 R)
• M36: 44,382,696 km (0.109 R)
• M37: 45,595,785 km (0.064 R)
• M38: 55,233,030 km (0.075 R)
• M39: 59,329,917 km (0.088 R)
• M40: 63,433,985 km (0.075 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 749.1

Radius: 7.5

Gravity: 13.32 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 9.11 AU - 9.19 AU

Year: 17598 Days

Day: 21.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 71,982,425 km

• M1: 93,798 km (0.1 R)
• M2: 422,165 km (0.115 R)
• M3: 1,087,128 km (0.116 R)
• M4: 1,492,538 km (0.095 R)
• M5: 1,920,089 km (0.058 R)
• M6: 2,340,159 km (0.102 R)
• M7: 3,364,157 km (0.095 R)
• M8: 8,193,625 km (0.107 R)
• M9: 10,318,513 km (0.12 R)
• M10: 12,316,692 km (0.071 R)
• M11: 13,197,524 km (0.086 R)
• M12: 14,559,463 km (0.083 R)
• M13: 16,250,817 km (0.094 R)
• M14: 22,399,738 km (0.05 R)
• M15: 22,697,587 km (0.078 R)
• M16: 27,602,154 km (0.099 R)
• M17: 29,106,510 km (0.085 R)
• M18: 31,775,635 km (0.102 R)
• M19: 32,530,955 km (0.054 R)
• M20: 32,785,271 km (0.08 R)
• M21: 35,001,713 km (0.047 R)
• M22: 39,875,911 km (0.108 R)
• M23: 40,607,145 km (0.103 R)
• M24: 43,007,293 km (0.066 R)
• M25: 44,398,254 km (0.09 R)
• M26: 45,818,836 km (0.061 R)
• M27: 49,754,756 km (0.086 R)
• M28: 52,325,894 km (0.115 R)
• M29: 61,147,082 km (0.068 R)
• M30: 69,636,014 km (0.061 R)
• M31: 71,123,166 km (0.113 R)
• M32: 71,551,914 km (0.032 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 515 - 15,532 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit