🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.5

Radius: 14.9

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.71 AU - 1.03 AU

Year: 541 Days

Day: 11.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,623,091 km

• M1: 187,596 km (0.05 R)
• M2: 850,464 km (0.103 R)
• M3: 1,521,560 km (0.058 R)
• M4: 2,672,716 km (0.097 R)
• M5: 3,765,827 km (0.099 R)
• M6: 4,571,861 km (0.12 R)
• M7: 5,361,139 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.8

Radius: 13.2

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.77 AU - 1.13 AU

Year: 617 Days

Day: 5.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,623,091 km

• M1: 164,258 km (0.113 R)
• M2: 592,108 km (0.107 R)
• M3: 1,059,153 km (0.097 R)
• M4: 1,469,949 km (0.036 R)
• M5: 1,883,886 km (0.098 R)
• M6: 2,492,301 km (0.119 R)
• M7: 3,479,048 km (0.091 R)
• M8: 3,988,130 km (0.093 R)
• M9: 4,498,408 km (0.086 R)
• M10: 7,168,132 km (0.082 R)
• M11: 8,166,249 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.4

Radius: 12.1

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.87 AU - 1.09 AU

Year: 647 Days

Day: 12.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,623,091 km

• M1: 150,944 km (0.064 R)
• M2: 613,052 km (0.084 R)
• M3: 1,116,000 km (0.044 R)
• M4: 1,574,518 km (0.075 R)
• M5: 2,339,412 km (0.103 R)
• M6: 2,904,742 km (0.1 R)
• M7: 3,284,571 km (0.103 R)
• M8: 3,686,092 km (0.119 R)
• M9: 4,495,266 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.6

Radius: 11.7

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.14 AU - 1.4 AU

Year: 954 Days

Day: 10.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,623,091 km

• M1: 145,559 km (0.103 R)
• M2: 557,850 km (0.108 R)
• M3: 986,149 km (0.094 R)
• M4: 1,522,009 km (0.056 R)
• M5: 1,931,009 km (0.07 R)
• M6: 2,361,103 km (0.088 R)
• M7: 2,879,161 km (0.094 R)
• M8: 3,257,045 km (0.063 R)
• M9: 3,711,523 km (0.099 R)
• M10: 4,680,768 km (0.098 R)
• M11: 5,870,370 km (0.115 R)
• M12: 6,399,199 km (0.101 R)
• M13: 7,115,922 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.7

Radius: 13.4

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.45 AU - 1.49 AU

Year: 1189 Days

Day: 9.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,623,091 km

• M1: 166,951 km (0.073 R)
• M2: 730,337 km (0.057 R)
• M3: 1,204,562 km (0.106 R)
• M4: 1,663,678 km (0.114 R)
• M5: 2,616,168 km (0.029 R)
• M6: 3,215,606 km (0.104 R)
• M7: 3,863,215 km (0.096 R)
• M8: 5,840,899 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.3

Radius: 8.4

Gravity: 11.17 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.5 AU - 2.3 AU

Year: 1746 Days

Day: 8.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,623,091 km

• M1: 104,419 km (0.112 R)
• M2: 457,769 km (0.058 R)
• M3: 850,165 km (0.105 R)
• M4: 1,387,670 km (0.107 R)
• M5: 1,743,862 km (0.109 R)
• M6: 2,053,231 km (0.069 R)
• M7: 2,386,236 km (0.076 R)
• M8: 2,871,681 km (0.119 R)
• M9: 3,371,786 km (0.119 R)
• M10: 3,713,169 km (0.071 R)
• M11: 4,096,139 km (0.119 R)
• M12: 4,606,866 km (0.1 R)
• M13: 5,137,340 km (0.108 R)
• M14: 5,637,147 km (0.12 R)
• M15: 6,169,117 km (0.109 R)
• M16: 6,473,249 km (0.103 R)
• M17: 7,645,798 km (0.116 R)
• M18: 8,451,083 km (0.089 R)
• M19: 9,848,477 km (0.12 R)
• M20: 14,553,928 km (0.109 R)
• M21: 15,323,011 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.8

Radius: 14.5

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.84 AU - 2.26 AU

Year: 1957 Days

Day: 8.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,623,091 km

• M1: 180,565 km (0.099 R)
• M2: 746,045 km (0.102 R)
• M3: 1,327,681 km (0.102 R)
• M4: 2,267,754 km (0.11 R)
• M5: 3,903,756 km (0.041 R)
• M6: 4,397,579 km (0.106 R)
• M7: 5,575,363 km (0.072 R)
• M8: 6,881,352 km (0.11 R)
• M9: 7,401,654 km (0.049 R)
• M10: 8,690,589 km (0.033 R)
• M11: 10,187,465 km (0.112 R)

Asteroid Belt

Center: 4.73 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 594.5

Radius: 5.2

Gravity: 21.99 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 5.71 AU - 9.11 AU

Year: 13451 Days

Day: 18.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 58,623,091 km

• M1: 65,225 km (0.096 R)
• M2: 248,781 km (0.09 R)
• M3: 422,764 km (0.084 R)
• M4: 732,880 km (0.099 R)
• M5: 923,767 km (0.09 R)
• M6: 1,804,001 km (0.073 R)
• M7: 2,512,496 km (0.058 R)
• M8: 3,265,123 km (0.111 R)
• M9: 4,217,014 km (0.067 R)
• M10: 5,953,546 km (0.084 R)
• M11: 6,814,183 km (0.096 R)
• M12: 8,256,007 km (0.115 R)
• M13: 8,586,170 km (0.109 R)
• M14: 8,925,009 km (0.087 R)
• M15: 10,754,741 km (0.113 R)
• M16: 12,144,954 km (0.103 R)
• M17: 16,282,531 km (0.089 R)
• M18: 18,187,212 km (0.104 R)
• M19: 19,647,137 km (0.083 R)
• M20: 21,096,142 km (0.095 R)
• M21: 21,712,934 km (0.102 R)
• M22: 22,070,772 km (0.112 R)
• M23: 22,251,038 km (0.101 R)
• M24: 24,589,552 km (0.097 R)
• M25: 32,462,289 km (0.12 R)
• M26: 35,707,815 km (0.109 R)
• M27: 36,331,638 km (0.112 R)
• M28: 40,632,427 km (0.117 R)
• M29: 43,115,602 km (0.115 R)
• M30: 52,440,636 km (0.053 R)
• M31: 55,213,881 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 692.6

Radius: 7.8

Gravity: 11.38 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 6.14 AU - 8.68 AU

Year: 13451 Days

Day: 17.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,623,091 km

• M1: 97,089 km (0.091 R)
• M2: 345,870 km (0.096 R)
• M3: 968,347 km (0.034 R)
• M4: 1,823,748 km (0.097 R)
• M5: 2,521,323 km (0.107 R)
• M6: 3,542,029 km (0.108 R)
• M7: 4,130,696 km (0.037 R)
• M8: 7,281,826 km (0.091 R)
• M9: 7,906,247 km (0.074 R)
• M10: 8,231,623 km (0.115 R)
• M11: 16,846,665 km (0.112 R)
• M12: 18,744,164 km (0.108 R)
• M13: 19,999,889 km (0.086 R)
• M14: 24,199,849 km (0.03 R)
• M15: 24,492,612 km (0.041 R)
• M16: 25,586,322 km (0.085 R)
• M17: 33,803,883 km (0.11 R)
• M18: 35,912,614 km (0.119 R)
• M19: 39,439,534 km (0.084 R)
• M20: 39,980,929 km (0.052 R)
• M21: 40,527,260 km (0.098 R)
• M22: 41,774,757 km (0.067 R)
• M23: 43,190,551 km (0.048 R)
• M24: 44,200,636 km (0.117 R)
• M25: 45,670,584 km (0.068 R)
• M26: 47,477,278 km (0.095 R)
• M27: 50,593,401 km (0.101 R)
• M28: 50,912,344 km (0.074 R)
• M29: 54,342,474 km (0.119 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 444 - 14,842 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit