🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.8

Radius: 13.4

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.94 AU - 1.32 AU

Year: 829 Days

Day: 5.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,781,990 km

• M1: 166,652 km (0.086 R)
• M2: 625,170 km (0.1 R)
• M3: 1,101,040 km (0.113 R)
• M4: 1,918,892 km (0.083 R)
• M5: 2,635,914 km (0.065 R)
• M6: 3,659,314 km (0.075 R)
• M7: 4,147,751 km (0.097 R)
• M8: 5,400,782 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.9

Radius: 15

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1 AU - 1.32 AU

Year: 862 Days

Day: 14.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,781,990 km

• M1: 186,549 km (0.102 R)
• M2: 1,007,691 km (0.109 R)
• M3: 1,497,923 km (0.118 R)
• M4: 2,094,370 km (0.041 R)
• M5: 2,698,147 km (0.105 R)
• M6: 3,440,901 km (0.043 R)
• M7: 3,932,030 km (0.057 R)
• M8: 4,612,252 km (0.046 R)
• M9: 5,088,272 km (0.108 R)
• M10: 5,729,598 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.1

Radius: 10.6

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.18 AU - 1.22 AU

Year: 907 Days

Day: 14 Hours

Environment

Temp: -185 °C

Axial Tilt: 72 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,781,990 km

• M1: 131,796 km (0.107 R)
• M2: 596,596 km (0.032 R)
• M3: 1,157,588 km (0.086 R)
• M4: 1,504,955 km (0.116 R)
• M5: 2,160,941 km (0.067 R)
• M6: 2,578,768 km (0.101 R)
• M7: 2,998,091 km (0.116 R)
• M8: 3,506,125 km (0.111 R)
• M9: 4,659,824 km (0.111 R)
• M10: 5,499,816 km (0.117 R)
• M11: 5,945,917 km (0.104 R)
• M12: 6,437,795 km (0.111 R)
• M13: 7,120,260 km (0.087 R)
• M14: 8,575,698 km (0.111 R)
• M15: 9,402,077 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.9

Radius: 10.3

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.42 AU - 1.88 AU

Year: 1463 Days

Day: 14.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,781,990 km

• M1: 128,654 km (0.093 R)
• M2: 463,604 km (0.087 R)
• M3: 868,116 km (0.112 R)
• M4: 1,296,415 km (0.085 R)
• M5: 5,469,298 km (0.099 R)
• M6: 7,031,100 km (0.118 R)
• M7: 8,413,534 km (0.106 R)
• M8: 9,409,407 km (0.039 R)
• M9: 10,481,874 km (0.103 R)
• M10: 10,904,338 km (0.111 R)
• M11: 11,633,927 km (0.116 R)
• M12: 12,670,042 km (0.064 R)
• M13: 13,808,332 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.8

Radius: 14.2

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.53 AU - 2.03 AU

Year: 1639 Days

Day: 13 Hours

Environment

Temp: -192 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,781,990 km

• M1: 176,675 km (0.11 R)
• M2: 673,639 km (0.099 R)
• M3: 1,532,032 km (0.078 R)
• M4: 2,234,843 km (0.106 R)
• M5: 2,739,287 km (0.083 R)
• M6: 3,866,357 km (0.06 R)
• M7: 4,328,614 km (0.087 R)
• M8: 4,905,015 km (0.098 R)
• M9: 5,365,477 km (0.103 R)
• M10: 5,987,505 km (0.069 R)
• M11: 6,633,469 km (0.05 R)
• M12: 7,097,970 km (0.11 R)
• M13: 7,795,695 km (0.092 R)
• M14: 8,538,747 km (0.06 R)
• M15: 9,358,693 km (0.046 R)
• M16: 10,555,027 km (0.108 R)
• M17: 11,258,586 km (0.1 R)
• M18: 11,780,084 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64

Radius: 11.6

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.81 AU - 2.15 AU

Year: 1923 Days

Day: 11.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,781,990 km

• M1: 145,260 km (0.113 R)
• M2: 633,697 km (0.111 R)
• M3: 1,201,570 km (0.11 R)
• M4: 1,566,140 km (0.115 R)
• M5: 2,528,503 km (0.102 R)
• M6: 3,514,652 km (0.12 R)
• M7: 3,974,965 km (0.112 R)
• M8: 4,789,077 km (0.064 R)
• M9: 5,585,087 km (0.09 R)
• M10: 6,272,190 km (0.079 R)
• M11: 6,727,117 km (0.098 R)
• M12: 7,246,670 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977

Radius: 11.4

Gravity: 7.52 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4.43 AU - 6.11 AU

Year: 8351 Days

Day: 9.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,781,990 km

• M1: 141,819 km (0.082 R)
• M2: 887,115 km (0.08 R)
• M3: 3,217,850 km (0.062 R)
• M4: 4,815,555 km (0.112 R)
• M5: 5,651,808 km (0.064 R)
• M6: 7,695,464 km (0.044 R)
• M7: 8,165,650 km (0.075 R)
• M8: 11,346,998 km (0.11 R)
• M9: 16,087,456 km (0.08 R)
• M10: 17,288,128 km (0.102 R)
• M11: 21,248,882 km (0.104 R)
• M12: 22,954,896 km (0.082 R)
• M13: 27,517,631 km (0.05 R)
• M14: 30,484,904 km (0.066 R)
• M15: 32,100,412 km (0.089 R)
• M16: 34,687,408 km (0.075 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.7

Radius: 10

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.03 AU - 6.67 AU

Year: 8542 Days

Day: 5.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,781,990 km

• M1: 128,953 km (0.089 R)
• M2: 536,009 km (0.095 R)
• M3: 1,318,406 km (0.083 R)
• M4: 2,199,537 km (0.103 R)
• M5: 2,644,741 km (0.09 R)
• M6: 3,998,901 km (0.032 R)
• M7: 5,316,409 km (0.08 R)
• M8: 7,776,696 km (0.095 R)
• M9: 11,019,978 km (0.108 R)
• M10: 12,327,613 km (0.049 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 802

Radius: 7.3

Gravity: 15.05 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 6.66 AU - 7.64 AU

Year: 13197 Days

Day: 17.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 60,781,990 km

• M1: 90,806 km (0.105 R)
• M2: 520,301 km (0.066 R)
• M3: 1,729,501 km (0.066 R)
• M4: 2,135,958 km (0.06 R)
• M5: 2,413,612 km (0.115 R)
• M6: 3,066,308 km (0.04 R)
• M7: 3,888,348 km (0.08 R)
• M8: 4,651,746 km (0.085 R)
• M9: 4,983,853 km (0.075 R)
• M10: 5,260,759 km (0.112 R)
• M11: 5,959,830 km (0.07 R)
• M12: 6,844,851 km (0.106 R)
• M13: 8,141,565 km (0.1 R)
• M14: 10,806,352 km (0.049 R)
• M15: 12,117,128 km (0.097 R)
• M16: 12,939,617 km (0.104 R)
• M17: 16,075,338 km (0.071 R)
• M18: 20,202,295 km (0.096 R)
• M19: 22,555,469 km (0.077 R)
• M20: 27,690,566 km (0.091 R)
• M21: 29,900,426 km (0.111 R)
• M22: 31,750,951 km (0.037 R)
• M23: 40,194,105 km (0.087 R)
• M24: 40,749,114 km (0.052 R)
• M25: 41,309,358 km (0.085 R)
• M26: 43,455,638 km (0.065 R)
• M27: 44,630,281 km (0.116 R)
• M28: 46,889,508 km (0.109 R)
• M29: 52,785,908 km (0.05 R)
• M30: 56,516,280 km (0.035 R)
• M31: 57,739,093 km (0.067 R)
• M32: 58,623,217 km (0.084 R)
• M33: 59,158,029 km (0.112 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 211 - 16,379 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit