🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.4

Radius: 13.8

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.92 AU - 1.3 AU

Year: 822 Days

Day: 13.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,886,308 km

• M1: 172,636 km (0.078 R)
• M2: 657,483 km (0.097 R)
• M3: 1,189,004 km (0.075 R)
• M4: 1,894,059 km (0.087 R)
• M5: 2,535,534 km (0.118 R)
• M6: 3,319,278 km (0.055 R)
• M7: 3,819,832 km (0.041 R)
• M8: 4,402,965 km (0.093 R)
• M9: 6,371,224 km (0.119 R)
• M10: 7,918,514 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.3

Radius: 12.1

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.98 AU - 1.6 AU

Year: 1030 Days

Day: 7.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,886,308 km

• M1: 150,495 km (0.109 R)
• M2: 569,968 km (0.11 R)
• M3: 1,051,523 km (0.087 R)
• M4: 1,474,885 km (0.039 R)
• M5: 1,873,713 km (0.085 R)
• M6: 2,520,275 km (0.06 R)
• M7: 3,260,186 km (0.092 R)
• M8: 4,110,351 km (0.038 R)
• M9: 4,636,337 km (0.104 R)
• M10: 5,509,540 km (0.068 R)
• M11: 5,899,691 km (0.092 R)
• M12: 7,314,289 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.9

Radius: 9.5

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.82 AU - 1.94 AU

Year: 1812 Days

Day: 15 Hours

Environment

Temp: -208 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,886,308 km

• M1: 118,631 km (0.117 R)
• M2: 557,551 km (0.117 R)
• M3: 1,049,429 km (0.103 R)
• M4: 1,533,677 km (0.113 R)
• M5: 1,886,878 km (0.081 R)
• M6: 2,192,207 km (0.107 R)
• M7: 2,586,846 km (0.1 R)
• M8: 3,705,090 km (0.116 R)
• M9: 4,157,325 km (0.026 R)
• M10: 4,462,504 km (0.113 R)
• M11: 4,939,722 km (0.086 R)
• M12: 5,413,199 km (0.092 R)
• M13: 6,138,749 km (0.106 R)
• M14: 6,557,174 km (0.092 R)
• M15: 6,994,448 km (0.102 R)
• M16: 7,381,458 km (0.072 R)
• M17: 7,782,680 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.8

Radius: 11.7

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.57 AU - 3.65 AU

Year: 4821 Days

Day: 12.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,886,308 km

• M1: 145,559 km (0.088 R)
• M2: 917,633 km (0.111 R)
• M3: 2,006,855 km (0.101 R)
• M4: 2,680,195 km (0.042 R)
• M5: 3,576,885 km (0.031 R)
• M6: 4,644,715 km (0.117 R)
• M7: 6,581,259 km (0.102 R)
• M8: 7,045,461 km (0.071 R)
• M9: 7,663,001 km (0.089 R)
• M10: 8,094,591 km (0.062 R)
• M11: 9,065,781 km (0.107 R)
• M12: 11,655,918 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825

Radius: 10.3

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 4.31 AU - 4.63 AU

Year: 6643 Days

Day: 9.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 72,886,308 km

• M1: 128,355 km (0.075 R)
• M2: 471,383 km (0.081 R)
• M3: 1,023,997 km (0.095 R)
• M4: 1,384,379 km (0.112 R)
• M5: 1,994,439 km (0.068 R)
• M6: 2,531,196 km (0.104 R)
• M7: 3,379,865 km (0.057 R)
• M8: 4,381,123 km (0.077 R)
• M9: 4,765,141 km (0.112 R)
• M10: 6,427,173 km (0.106 R)
• M11: 7,070,893 km (0.058 R)
• M12: 7,485,129 km (0.075 R)
• M13: 9,485,702 km (0.115 R)
• M14: 9,990,146 km (0.115 R)
• M15: 10,609,331 km (0.111 R)
• M16: 13,231,932 km (0.116 R)
• M17: 13,862,187 km (0.101 R)
• M18: 15,494,151 km (0.082 R)
• M19: 17,933,494 km (0.112 R)
• M20: 19,208,217 km (0.063 R)
• M21: 23,726,671 km (0.098 R)
• M22: 24,315,937 km (0.118 R)
• M23: 26,231,538 km (0.083 R)
• M24: 26,861,644 km (0.074 R)
• M25: 28,528,164 km (0.098 R)
• M26: 30,657,241 km (0.074 R)
• M27: 32,890,289 km (0.085 R)
• M28: 35,556,871 km (0.067 R)
• M29: 37,791,564 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 593.3

Radius: 4

Gravity: 37.08 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 5.71 AU - 5.91 AU

Year: 9844 Days

Day: 20.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,886,308 km

• M1: 50,863 km (0.082 R)
• M2: 585,077 km (0.082 R)
• M3: 772,523 km (0.077 R)
• M4: 909,405 km (0.09 R)
• M5: 1,117,496 km (0.088 R)
• M6: 2,770,253 km (0.084 R)
• M7: 3,005,870 km (0.113 R)
• M8: 3,691,028 km (0.09 R)
• M9: 4,083,573 km (0.064 R)
• M10: 5,075,856 km (0.1 R)
• M11: 5,970,601 km (0.04 R)
• M12: 6,111,671 km (0.092 R)
• M13: 9,278,509 km (0.038 R)
• M14: 10,200,780 km (0.116 R)
• M15: 11,723,686 km (0.049 R)
• M16: 17,048,173 km (0.039 R)
• M17: 19,954,262 km (0.072 R)
• M18: 20,269,763 km (0.076 R)
• M19: 23,963,335 km (0.07 R)
• M20: 25,781,099 km (0.108 R)
• M21: 36,495,597 km (0.073 R)
• M22: 37,323,771 km (0.112 R)
• M23: 41,911,040 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 897.1

Radius: 5.6

Gravity: 28.61 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.54 AU - 9.78 AU

Year: 16385 Days

Day: 19 Hours

Environment

Temp: -231 °C

Axial Tilt: 55.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 72,886,308 km

• M1: 70,760 km (0.065 R)
• M2: 396,734 km (0.064 R)
• M3: 585,077 km (0.08 R)
• M4: 2,615,719 km (0.117 R)
• M5: 3,639,716 km (0.049 R)
• M6: 4,096,887 km (0.089 R)
• M7: 4,591,458 km (0.036 R)
• M8: 7,250,111 km (0.111 R)
• M9: 7,581,470 km (0.111 R)
• M10: 11,663,548 km (0.103 R)
• M11: 14,424,526 km (0.101 R)
• M12: 16,516,503 km (0.096 R)
• M13: 19,068,792 km (0.12 R)
• M14: 21,774,718 km (0.116 R)
• M15: 22,965,517 km (0.08 R)
• M16: 26,574,566 km (0.074 R)
• M17: 29,816,651 km (0.103 R)
• M18: 34,096,047 km (0.103 R)
• M19: 36,657,163 km (0.09 R)
• M20: 36,933,919 km (0.097 R)
• M21: 38,767,391 km (0.088 R)
• M22: 40,808,803 km (0.067 R)
• M23: 45,902,162 km (0.119 R)
• M24: 47,854,414 km (0.095 R)
• M25: 50,371,847 km (0.052 R)
• M26: 60,164,823 km (0.106 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: 333 - 18,569 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit