🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.4

Radius: 10.3

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.02 AU - 1.1 AU

Year: 753 Days

Day: 6.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,769,800 km

• M1: 128,205 km (0.087 R)
• M2: 490,980 km (0.098 R)
• M3: 851,661 km (0.116 R)
• M4: 1,185,114 km (0.062 R)
• M5: 2,101,700 km (0.039 R)
• M6: 2,492,749 km (0.075 R)
• M7: 2,968,919 km (0.112 R)
• M8: 3,760,591 km (0.113 R)
• M9: 4,245,737 km (0.117 R)
• M10: 5,140,931 km (0.05 R)
• M11: 5,876,653 km (0.12 R)
• M12: 6,198,139 km (0.116 R)
• M13: 6,898,706 km (0.088 R)
• M14: 7,234,104 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47

Radius: 12.5

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.17 AU - 1.43 AU

Year: 1023 Days

Day: 9.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 69,769,800 km

• M1: 155,432 km (0.09 R)
• M2: 937,829 km (0.089 R)
• M3: 1,355,656 km (0.101 R)
• M4: 2,096,165 km (0.114 R)
• M5: 2,814,534 km (0.035 R)
• M6: 3,494,008 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.4

Radius: 9.3

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.06 AU - 1.74 AU

Year: 1143 Days

Day: 13.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,769,800 km

• M1: 115,639 km (0.1 R)
• M2: 435,928 km (0.066 R)
• M3: 1,122,882 km (0.117 R)
• M4: 1,609,374 km (0.067 R)
• M5: 1,945,969 km (0.075 R)
• M6: 2,677,353 km (0.116 R)
• M7: 4,128,752 km (0.068 R)
• M8: 4,641,124 km (0.102 R)
• M9: 5,690,553 km (0.037 R)
• M10: 7,031,250 km (0.078 R)
• M11: 7,538,237 km (0.095 R)
• M12: 8,652,591 km (0.032 R)
• M13: 9,754,978 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.6

Radius: 13.6

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.56 AU - 3.42 AU

Year: 3569 Days

Day: 7 Hours

Environment

Temp: -213 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,769,800 km

• M1: 173,085 km (0.115 R)
• M2: 599,738 km (0.051 R)
• M3: 1,231,639 km (0.118 R)
• M4: 1,852,171 km (0.047 R)
• M5: 2,457,594 km (0.111 R)
• M6: 3,013,799 km (0.067 R)
• M7: 3,534,399 km (0.105 R)
• M8: 4,071,306 km (0.1 R)
• M9: 4,758,559 km (0.113 R)
• M10: 5,362,934 km (0.117 R)
• M11: 6,665,483 km (0.107 R)
• M12: 8,416,825 km (0.054 R)
• M13: 10,009,145 km (0.086 R)
• M14: 10,876,812 km (0.105 R)
• M15: 12,905,060 km (0.088 R)
• M16: 13,486,098 km (0.118 R)
• M17: 16,208,181 km (0.058 R)
• M18: 16,942,258 km (0.043 R)
• M19: 17,816,807 km (0.077 R)
• M20: 18,416,246 km (0.049 R)
• M21: 21,082,678 km (0.103 R)
• M22: 21,821,542 km (0.072 R)
• M23: 23,564,956 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88

Radius: 10.9

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.86 AU - 4.3 AU

Year: 4676 Days

Day: 6.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,769,800 km

• M1: 135,685 km (0.105 R)
• M2: 483,949 km (0.102 R)
• M3: 959,222 km (0.058 R)
• M4: 1,792,482 km (0.073 R)
• M5: 2,272,392 km (0.11 R)
• M6: 5,843,592 km (0.116 R)
• M7: 6,854,425 km (0.099 R)
• M8: 7,198,350 km (0.086 R)
• M9: 8,065,120 km (0.114 R)
• M10: 9,062,789 km (0.065 R)
• M11: 13,106,718 km (0.09 R)
• M12: 14,014,179 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.3

Radius: 14.7

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 4.51 AU - 6.09 AU

Year: 8422 Days

Day: 8.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,769,800 km

• M1: 182,958 km (0.108 R)
• M2: 920,476 km (0.054 R)
• M3: 1,400,386 km (0.11 R)
• M4: 2,191,010 km (0.106 R)
• M5: 2,736,145 km (0.095 R)
• M6: 3,245,376 km (0.092 R)
• M7: 5,403,475 km (0.084 R)
• M8: 6,378,105 km (0.113 R)
• M9: 9,264,147 km (0.093 R)
• M10: 10,013,184 km (0.089 R)
• M11: 12,348,107 km (0.085 R)
• M12: 13,810,726 km (0.11 R)
• M13: 15,446,728 km (0.108 R)
• M14: 17,013,766 km (0.118 R)
• M15: 17,603,181 km (0.051 R)
• M16: 19,241,727 km (0.118 R)
• M17: 21,354,797 km (0.064 R)
• M18: 24,270,459 km (0.096 R)
• M19: 27,175,052 km (0.113 R)
• M20: 28,711,123 km (0.083 R)
• M21: 30,399,783 km (0.067 R)
• M22: 31,955,751 km (0.119 R)
• M23: 32,452,715 km (0.105 R)
• M24: 33,055,893 km (0.053 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 746.2

Radius: 3.2

Gravity: 72.87 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 5.25 AU - 8.37 AU

Year: 12267 Days

Day: 21.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,769,800 km

• M1: 70,909 km (0.117 R)
• M2: 191,485 km (0.094 R)
• M3: 363,672 km (0.091 R)
• M4: 505,342 km (0.063 R)
• M5: 1,055,563 km (0.08 R)
• M6: 1,279,511 km (0.075 R)
• M7: 5,083,934 km (0.081 R)
• M8: 9,642,630 km (0.092 R)
• M9: 11,059,172 km (0.109 R)
• M10: 13,761,957 km (0.089 R)
• M11: 14,229,001 km (0.095 R)
• M12: 14,637,703 km (0.117 R)
• M13: 21,295,855 km (0.069 R)
• M14: 22,464,813 km (0.051 R)
• M15: 24,539,287 km (0.095 R)
• M16: 34,601,389 km (0.114 R)
• M17: 36,213,456 km (0.114 R)
• M18: 41,074,339 km (0.116 R)
• M19: 48,921,795 km (0.088 R)
• M20: 50,163,158 km (0.058 R)
• M21: 50,791,768 km (0.116 R)
• M22: 51,266,442 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 889.1

Radius: 6

Gravity: 24.7 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 6.37 AU - 9.49 AU

Year: 15414 Days

Day: 23.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 69,769,800 km

• M1: 74,649 km (0.042 R)
• M2: 837,150 km (0.107 R)
• M3: 1,774,380 km (0.091 R)
• M4: 3,192,718 km (0.118 R)
• M5: 3,380,762 km (0.035 R)
• M6: 4,240,800 km (0.108 R)
• M7: 5,387,169 km (0.111 R)
• M8: 6,947,325 km (0.061 R)
• M9: 8,324,523 km (0.117 R)
• M10: 9,930,905 km (0.066 R)
• M11: 10,747,111 km (0.109 R)
• M12: 11,294,789 km (0.069 R)
• M13: 11,989,222 km (0.088 R)
• M14: 13,255,269 km (0.108 R)
• M15: 13,814,167 km (0.11 R)
• M16: 16,365,558 km (0.082 R)
• M17: 16,765,433 km (0.09 R)
• M18: 17,008,530 km (0.112 R)
• M19: 22,672,754 km (0.065 R)
• M20: 24,392,232 km (0.096 R)
• M21: 26,743,911 km (0.114 R)
• M22: 27,974,652 km (0.048 R)
• M23: 29,125,808 km (0.12 R)
• M24: 30,790,084 km (0.1 R)
• M25: 31,399,546 km (0.053 R)
• M26: 42,876,246 km (0.119 R)
• M27: 45,182,297 km (0.059 R)
• M28: 48,384,140 km (0.092 R)
• M29: 55,953,792 km (0.113 R)
• M30: 61,351,882 km (0.105 R)
• M31: 65,872,131 km (0.098 R)
• M32: 69,560,916 km (0.083 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 183 - 16,430 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit