🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.8

Radius: 10.4

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.8 AU - 1.18 AU

Year: 680 Days

Day: 12.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,733,324 km

• M1: 129,552 km (0.036 R)
• M2: 458,817 km (0.112 R)
• M3: 806,482 km (0.111 R)
• M4: 1,247,646 km (0.093 R)
• M5: 1,613,114 km (0.089 R)
• M6: 1,960,630 km (0.114 R)
• M7: 2,378,905 km (0.097 R)
• M8: 3,846,460 km (0.103 R)
• M9: 4,570,813 km (0.059 R)
• M10: 5,119,838 km (0.11 R)
• M11: 5,958,184 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.7

Radius: 13.3

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1 AU - 1.28 AU

Year: 840 Days

Day: 14.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,733,324 km

• M1: 165,455 km (0.041 R)
• M2: 588,817 km (0.105 R)
• M3: 1,053,319 km (0.096 R)
• M4: 1,514,080 km (0.033 R)
• M5: 1,984,416 km (0.108 R)
• M6: 2,611,081 km (0.099 R)
• M7: 3,030,105 km (0.113 R)
• M8: 3,451,672 km (0.03 R)
• M9: 4,134,287 km (0.1 R)
• M10: 4,568,869 km (0.078 R)
• M11: 5,471,542 km (0.068 R)
• M12: 5,893,408 km (0.091 R)
• M13: 6,446,023 km (0.119 R)
• M14: 7,291,999 km (0.111 R)
• M15: 8,738,760 km (0.044 R)
• M16: 9,717,429 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.2

Radius: 13.3

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.28 AU - 1.44 AU

Year: 1095 Days

Day: 13.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,733,324 km

• M1: 165,455 km (0.044 R)
• M2: 656,735 km (0.118 R)
• M3: 1,088,025 km (0.117 R)
• M4: 1,849,778 km (0.09 R)
• M5: 2,334,475 km (0.106 R)
• M6: 2,750,656 km (0.113 R)
• M7: 3,517,495 km (0.079 R)
• M8: 4,003,987 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.3

Radius: 11.4

Gravity: 7.46 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.49 AU - 2.77 AU

Year: 2944 Days

Day: 14.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,733,324 km

• M1: 141,968 km (0.086 R)
• M2: 511,625 km (0.087 R)
• M3: 917,484 km (0.082 R)
• M4: 1,302,399 km (0.112 R)
• M5: 1,726,060 km (0.097 R)
• M6: 2,242,023 km (0.052 R)
• M7: 2,825,904 km (0.066 R)
• M8: 3,587,058 km (0.08 R)
• M9: 4,167,049 km (0.092 R)
• M10: 5,462,417 km (0.099 R)
• M11: 6,376,759 km (0.065 R)
• M12: 7,325,808 km (0.113 R)
• M13: 7,684,394 km (0.096 R)
• M14: 9,427,059 km (0.093 R)
• M15: 10,492,795 km (0.071 R)
• M16: 12,583,425 km (0.107 R)
• M17: 14,073,120 km (0.106 R)
• M18: 19,061,013 km (0.096 R)
• M19: 19,616,769 km (0.117 R)
• M20: 20,056,587 km (0.051 R)
• M21: 20,502,837 km (0.092 R)
• M22: 23,321,410 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.3

Radius: 10.5

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.82 AU - 4.3 AU

Year: 4636 Days

Day: 8.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,733,324 km

• M1: 130,898 km (0.117 R)
• M2: 497,563 km (0.051 R)
• M3: 853,905 km (0.057 R)
• M4: 1,921,285 km (0.12 R)
• M5: 2,835,478 km (0.113 R)
• M6: 3,876,230 km (0.1 R)
• M7: 6,298,220 km (0.104 R)
• M8: 9,259,510 km (0.081 R)
• M9: 15,915,717 km (0.094 R)
• M10: 18,258,121 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.4

Radius: 8.7

Gravity: 11.74 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 5.07 AU - 5.33 AU

Year: 8185 Days

Day: 13.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 54,733,324 km

• M1: 108,309 km (0.08 R)
• M2: 387,907 km (0.099 R)
• M3: 1,823,748 km (0.049 R)
• M4: 2,219,434 km (0.079 R)
• M5: 2,984,926 km (0.083 R)
• M6: 4,607,914 km (0.116 R)
• M7: 5,217,974 km (0.097 R)
• M8: 7,699,952 km (0.106 R)
• M9: 7,993,613 km (0.111 R)
• M10: 8,514,213 km (0.064 R)
• M11: 8,873,846 km (0.093 R)
• M12: 9,290,477 km (0.119 R)
• M13: 10,112,966 km (0.073 R)
• M14: 10,567,594 km (0.112 R)
• M15: 11,035,985 km (0.111 R)
• M16: 11,517,989 km (0.098 R)
• M17: 12,070,005 km (0.098 R)
• M18: 12,352,446 km (0.058 R)
• M19: 14,079,404 km (0.114 R)
• M20: 16,370,944 km (0.063 R)
• M21: 17,496,967 km (0.112 R)
• M22: 19,512,948 km (0.119 R)
• M23: 21,102,724 km (0.089 R)
• M24: 22,520,463 km (0.114 R)
• M25: 22,863,043 km (0.07 R)
• M26: 23,209,212 km (0.091 R)
• M27: 34,721,217 km (0.117 R)
• M28: 35,293,578 km (0.076 R)
• M29: 35,756,135 km (0.055 R)
• M30: 38,494,075 km (0.061 R)
• M31: 41,496,804 km (0.075 R)
• M32: 42,531,572 km (0.095 R)
• M33: 43,186,811 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 470.7

Radius: 3.4

Gravity: 40.72 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 6.7 AU - 8.68 AU

Year: 14720 Days

Day: 15 Hours

Environment

Temp: -241 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 54,733,324 km

• M1: 42,336 km (0.079 R)
• M2: 226,940 km (0.117 R)
• M3: 372,050 km (0.052 R)
• M4: 570,865 km (0.088 R)
• M5: 2,116,810 km (0.095 R)
• M6: 2,249,204 km (0.093 R)
• M7: 2,972,809 km (0.045 R)
• M8: 3,894,930 km (0.105 R)
• M9: 4,008,026 km (0.11 R)
• M10: 6,756,289 km (0.081 R)
• M11: 14,112,016 km (0.106 R)
• M12: 14,446,517 km (0.108 R)
• M13: 17,087,667 km (0.105 R)
• M14: 17,775,518 km (0.05 R)
• M15: 19,043,510 km (0.07 R)
• M16: 21,143,565 km (0.114 R)
• M17: 25,896,289 km (0.076 R)
• M18: 29,540,044 km (0.072 R)
• M19: 32,923,200 km (0.118 R)
• M20: 33,748,083 km (0.099 R)
• M21: 35,439,137 km (0.091 R)
• M22: 37,567,316 km (0.119 R)
• M23: 39,119,993 km (0.102 R)
• M24: 39,514,632 km (0.102 R)
• M25: 45,612,989 km (0.053 R)
• M26: 46,490,231 km (0.049 R)
• M27: 52,627,933 km (0.111 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 535 - 17,625 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit