🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.9

Radius: 8.3

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.78 AU - 0.88 AU

Year: 522 Days

Day: 13.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,798,844 km

• M1: 103,223 km (0.077 R)
• M2: 384,616 km (0.119 R)
• M3: 743,651 km (0.098 R)
• M4: 1,015,022 km (0.097 R)
• M5: 1,397,543 km (0.117 R)
• M6: 1,723,667 km (0.093 R)
• M7: 2,177,098 km (0.042 R)
• M8: 2,609,136 km (0.033 R)
• M9: 2,935,110 km (0.083 R)
• M10: 3,288,311 km (0.115 R)
• M11: 3,669,636 km (0.049 R)
• M12: 4,549,870 km (0.111 R)
• M13: 5,498,769 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.4

Radius: 13.6

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.73 AU - 1.19 AU

Year: 649 Days

Day: 6.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,798,844 km

• M1: 170,392 km (0.111 R)
• M2: 655,538 km (0.102 R)
• M3: 1,256,473 km (0.117 R)
• M4: 1,690,606 km (0.101 R)
• M5: 2,487,214 km (0.11 R)
• M6: 3,140,957 km (0.085 R)
• M7: 6,412,962 km (0.105 R)

Asteroid Belt

Center: 1.34 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.8

Radius: 12.1

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.57 AU - 1.85 AU

Year: 1543 Days

Day: 5.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,798,844 km

• M1: 156,330 km (0.105 R)
• M2: 795,561 km (0.102 R)
• M3: 1,584,391 km (0.109 R)
• M4: 1,989,951 km (0.095 R)
• M5: 2,987,469 km (0.053 R)
• M6: 3,418,461 km (0.033 R)
• M7: 4,088,659 km (0.108 R)
• M8: 5,052,818 km (0.031 R)
• M9: 5,737,527 km (0.103 R)
• M10: 6,187,069 km (0.105 R)
• M11: 6,685,678 km (0.071 R)
• M12: 7,456,407 km (0.047 R)
• M13: 8,555,053 km (0.077 R)
• M14: 9,528,636 km (0.028 R)
• M15: 10,229,203 km (0.111 R)
• M16: 10,928,124 km (0.09 R)
• M17: 12,112,192 km (0.038 R)
• M18: 12,695,922 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.4

Radius: 8.1

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.8 AU - 2.38 AU

Year: 2086 Days

Day: 10.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,798,844 km

• M1: 100,679 km (0.042 R)
• M2: 629,657 km (0.103 R)
• M3: 1,247,945 km (0.088 R)
• M4: 2,671,070 km (0.088 R)
• M5: 3,331,245 km (0.116 R)
• M6: 5,945,319 km (0.076 R)
• M7: 6,587,093 km (0.088 R)
• M8: 9,185,309 km (0.07 R)
• M9: 12,511,768 km (0.074 R)
• M10: 13,089,215 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.6

Radius: 12.7

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.29 AU - 3.19 AU

Year: 3131 Days

Day: 12.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,798,844 km

• M1: 168,597 km (0.075 R)
• M2: 606,470 km (0.107 R)
• M3: 1,007,392 km (0.089 R)
• M4: 2,089,882 km (0.084 R)
• M5: 3,308,806 km (0.117 R)
• M6: 4,065,023 km (0.106 R)
• M7: 4,802,092 km (0.026 R)
• M8: 5,435,639 km (0.05 R)
• M9: 6,815,230 km (0.091 R)
• M10: 7,381,458 km (0.056 R)
• M11: 8,071,404 km (0.071 R)
• M12: 8,544,133 km (0.092 R)
• M13: 16,349,701 km (0.118 R)
• M14: 17,211,534 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 495.6

Radius: 3

Gravity: 55.07 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 6.95 AU - 7.31 AU

Year: 13142 Days

Day: 15.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 41,798,844 km

• M1: 37,848 km (0.093 R)
• M2: 185,053 km (0.103 R)
• M3: 343,178 km (0.066 R)
• M4: 521,947 km (0.114 R)
• M5: 673,190 km (0.1 R)
• M6: 862,881 km (0.091 R)
• M7: 1,574,218 km (0.1 R)
• M8: 1,775,727 km (0.032 R)
• M9: 1,925,175 km (0.083 R)
• M10: 2,306,650 km (0.093 R)
• M11: 3,121,210 km (0.095 R)
• M12: 3,671,581 km (0.109 R)
• M13: 3,778,244 km (0.103 R)
• M14: 4,372,297 km (0.082 R)
• M15: 4,769,779 km (0.083 R)
• M16: 7,207,925 km (0.105 R)
• M17: 7,631,287 km (0.11 R)
• M18: 8,026,225 km (0.117 R)
• M19: 8,904,514 km (0.073 R)
• M20: 9,243,652 km (0.112 R)
• M21: 12,998,709 km (0.115 R)
• M22: 14,009,841 km (0.118 R)
• M23: 14,667,772 km (0.092 R)
• M24: 16,044,970 km (0.081 R)
• M25: 16,837,988 km (0.054 R)
• M26: 18,894,660 km (0.057 R)
• M27: 20,189,130 km (0.061 R)
• M28: 25,376,586 km (0.102 R)
• M29: 30,833,617 km (0.119 R)
• M30: 31,385,633 km (0.111 R)
• M31: 32,509,113 km (0.079 R)
• M32: 45,395,923 km (0.076 R)
• M33: 46,109,804 km (0.107 R)
• M34: 47,413,699 km (0.098 R)
• M35: 48,001,020 km (0.112 R)
• M36: 50,246,634 km (0.117 R)
• M37: 51,318,203 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 96.2

Radius: 5.8

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 9.73 AU - 10.21 AU

Year: 21730 Days

Day: 15.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,798,844 km

• M1: 72,106 km (0.079 R)
• M2: 277,205 km (0.057 R)
• M3: 492,626 km (0.05 R)
• M4: 930,499 km (0.079 R)
• M5: 1,244,355 km (0.086 R)
• M6: 1,861,147 km (0.063 R)
• M7: 2,361,702 km (0.115 R)
• M8: 2,624,246 km (0.089 R)
• M9: 3,626,552 km (0.115 R)
• M10: 5,838,207 km (0.11 R)
• M11: 6,679,096 km (0.086 R)
• M12: 6,938,948 km (0.1 R)
• M13: 7,282,873 km (0.094 R)
• M14: 8,046,271 km (0.036 R)
• M15: 12,343,171 km (0.081 R)
• M16: 14,445,769 km (0.05 R)
• M17: 14,880,799 km (0.114 R)
• M18: 18,029,984 km (0.107 R)
• M19: 21,356,143 km (0.1 R)
• M20: 23,758,835 km (0.06 R)
• M21: 26,060,996 km (0.104 R)
• M22: 33,852,353 km (0.096 R)
• M23: 39,949,214 km (0.062 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: 519 - 18,973 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit