🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.9

Radius: 9.8

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.43 AU - 0.69 AU

Year: 289 Days

Day: 8.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 144.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 90,051,644 km

• M1: 122,521 km (0.054 R)
• M2: 506,688 km (0.096 R)
• M3: 955,631 km (0.044 R)
• M4: 1,308,383 km (0.114 R)
• M5: 1,717,683 km (0.115 R)
• M6: 2,409,723 km (0.095 R)
• M7: 2,807,204 km (0.094 R)
• M8: 3,200,198 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.7

Radius: 8.3

Gravity: 8.62 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.57 AU - 0.93 AU

Year: 448 Days

Day: 10.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 90,051,644 km

• M1: 103,223 km (0.088 R)
• M2: 454,927 km (0.041 R)
• M3: 819,796 km (0.116 R)
• M4: 1,595,012 km (0.077 R)
• M5: 2,208,663 km (0.063 R)
• M6: 2,540,920 km (0.112 R)
• M7: 3,102,361 km (0.082 R)
• M8: 3,545,170 km (0.102 R)
• M9: 4,260,099 km (0.119 R)
• M10: 4,542,839 km (0.106 R)
• M11: 5,305,040 km (0.089 R)

Asteroid Belt

Center: 1.23 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.9

Radius: 14.3

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.66 AU - 1.74 AU

Year: 1530 Days

Day: 11.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 90,051,644 km

• M1: 178,620 km (0.115 R)
• M2: 978,071 km (0.045 R)
• M3: 1,436,289 km (0.112 R)
• M4: 2,023,610 km (0.111 R)
• M5: 2,495,143 km (0.064 R)
• M6: 3,104,605 km (0.075 R)
• M7: 3,551,154 km (0.077 R)
• M8: 4,166,151 km (0.105 R)
• M9: 5,438,631 km (0.06 R)
• M10: 5,949,956 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.8

Radius: 8.3

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.96 AU - 3.02 AU

Year: 2712 Days

Day: 6.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 76.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 90,051,644 km

• M1: 103,223 km (0.087 R)
• M2: 366,365 km (0.094 R)
• M3: 721,511 km (0.111 R)
• M4: 1,029,084 km (0.114 R)
• M5: 1,338,153 km (0.093 R)
• M6: 2,244,566 km (0.029 R)
• M7: 2,945,881 km (0.079 R)
• M8: 3,445,688 km (0.108 R)
• M9: 4,037,347 km (0.107 R)
• M10: 4,553,909 km (0.088 R)
• M11: 5,135,545 km (0.088 R)
• M12: 6,271,592 km (0.071 R)
• M13: 7,261,630 km (0.115 R)
• M14: 9,191,144 km (0.09 R)
• M15: 9,482,859 km (0.079 R)
• M16: 10,084,991 km (0.103 R)
• M17: 12,830,860 km (0.054 R)
• M18: 14,724,470 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.5

Radius: 14.5

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 4.56 AU - 6.36 AU

Year: 8806 Days

Day: 5.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 90,051,644 km

• M1: 180,415 km (0.117 R)
• M2: 673,490 km (0.044 R)
• M3: 1,602,792 km (0.093 R)
• M4: 2,519,677 km (0.118 R)
• M5: 2,979,690 km (0.054 R)
• M6: 3,616,379 km (0.099 R)
• M7: 4,741,953 km (0.107 R)
• M8: 5,228,146 km (0.028 R)
• M9: 5,882,936 km (0.075 R)
• M10: 7,044,414 km (0.082 R)
• M11: 7,639,365 km (0.097 R)
• M12: 9,675,691 km (0.095 R)
• M13: 10,162,632 km (0.074 R)
• M14: 12,052,652 km (0.116 R)
• M15: 13,982,315 km (0.07 R)
• M16: 15,774,946 km (0.114 R)
• M17: 17,429,648 km (0.06 R)
• M18: 21,001,297 km (0.088 R)
• M19: 22,489,945 km (0.1 R)
• M20: 25,400,372 km (0.083 R)
• M21: 26,612,863 km (0.119 R)
• M22: 30,069,471 km (0.093 R)
• M23: 31,745,117 km (0.085 R)
• M24: 33,371,844 km (0.081 R)
• M25: 37,740,850 km (0.11 R)
• M26: 39,689,661 km (0.026 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 753.7

Radius: 7.5

Gravity: 13.4 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 8.54 AU - 10.68 AU

Year: 20563 Days

Day: 22.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 90,051,644 km

• M1: 155,582 km (0.104 R)
• M2: 507,137 km (0.118 R)
• M3: 1,719,478 km (0.091 R)
• M4: 3,098,172 km (0.12 R)
• M5: 3,791,408 km (0.096 R)
• M6: 5,285,742 km (0.036 R)
• M7: 5,930,658 km (0.075 R)
• M8: 8,497,907 km (0.071 R)
• M9: 11,992,513 km (0.083 R)
• M10: 13,609,965 km (0.093 R)
• M11: 14,973,251 km (0.102 R)
• M12: 19,794,641 km (0.034 R)
• M13: 22,656,747 km (0.109 R)
• M14: 24,784,029 km (0.11 R)
• M15: 33,677,772 km (0.105 R)
• M16: 34,218,718 km (0.115 R)
• M17: 35,317,963 km (0.033 R)
• M18: 45,959,907 km (0.095 R)
• M19: 54,190,781 km (0.092 R)
• M20: 55,120,233 km (0.102 R)
• M21: 71,472,627 km (0.107 R)
• M22: 77,881,699 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 944.8

Radius: 8

Gravity: 14.76 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 8.59 AU - 11.47 AU

Year: 21926 Days

Day: 22.4 Hours

Environment

Temp: -245 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 90,051,644 km

• M1: 101,427 km (0.112 R)
• M2: 357,090 km (0.086 R)
• M3: 641,775 km (0.094 R)
• M4: 1,031,477 km (0.108 R)
• M5: 1,454,989 km (0.073 R)
• M6: 1,830,928 km (0.06 R)
• M7: 2,805,259 km (0.029 R)
• M8: 3,634,929 km (0.117 R)
• M9: 4,056,197 km (0.04 R)
• M10: 6,164,031 km (0.112 R)
• M11: 7,102,608 km (0.089 R)
• M12: 7,866,903 km (0.077 R)
• M13: 8,684,904 km (0.116 R)
• M14: 9,923,575 km (0.092 R)
• M15: 24,124,751 km (0.117 R)
• M16: 26,314,565 km (0.09 R)
• M17: 30,427,160 km (0.096 R)
• M18: 33,117,528 km (0.12 R)
• M19: 49,334,236 km (0.11 R)
• M20: 72,453,091 km (0.107 R)
• M21: 79,187,090 km (0.082 R)
• M22: 85,021,107 km (0.086 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: 180 - 18,604 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit