🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.8

Radius: 9.9

Gravity: 8.51 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.77 AU - 1.29 AU

Year: 665 Days

Day: 7.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,802,304 km

• M1: 123,119 km (0.103 R)
• M2: 471,832 km (0.091 R)
• M3: 799,451 km (0.109 R)
• M4: 1,273,227 km (0.045 R)
• M5: 1,712,596 km (0.09 R)
• M6: 2,104,692 km (0.068 R)
• M7: 2,634,119 km (0.099 R)
• M8: 3,185,836 km (0.119 R)
• M9: 3,517,046 km (0.062 R)
• M10: 4,019,545 km (0.119 R)
• M11: 4,735,670 km (0.119 R)
• M12: 5,819,806 km (0.048 R)
• M13: 6,778,728 km (0.115 R)
• M14: 7,307,407 km (0.065 R)
• M15: 7,792,254 km (0.085 R)
• M16: 8,176,122 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.2

Radius: 9.8

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.16 AU - 1.38 AU

Year: 910 Days

Day: 11.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,802,304 km

• M1: 122,072 km (0.115 R)
• M2: 475,422 km (0.111 R)
• M3: 785,389 km (0.075 R)
• M4: 1,231,340 km (0.082 R)
• M5: 1,807,441 km (0.114 R)
• M6: 2,217,938 km (0.075 R)
• M7: 3,778,543 km (0.072 R)
• M8: 4,342,078 km (0.085 R)
• M9: 4,686,303 km (0.046 R)
• M10: 5,155,741 km (0.092 R)
• M11: 5,599,149 km (0.093 R)
• M12: 5,908,667 km (0.093 R)
• M13: 6,776,335 km (0.1 R)
• M14: 7,562,472 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.8

Radius: 13

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.37 AU - 3.57 AU

Year: 3254 Days

Day: 13.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,802,304 km

• M1: 161,715 km (0.118 R)
• M2: 761,603 km (0.064 R)
• M3: 1,562,999 km (0.049 R)
• M4: 2,082,552 km (0.057 R)
• M5: 2,763,521 km (0.112 R)
• M6: 3,760,741 km (0.101 R)
• M7: 4,550,318 km (0.114 R)
• M8: 5,008,686 km (0.093 R)
• M9: 8,009,919 km (0.086 R)
• M10: 9,573,067 km (0.093 R)
• M11: 12,134,631 km (0.116 R)
• M12: 13,249,435 km (0.111 R)
• M13: 13,667,112 km (0.104 R)
• M14: 14,528,945 km (0.068 R)
• M15: 15,375,819 km (0.064 R)
• M16: 16,361,070 km (0.07 R)
• M17: 17,332,708 km (0.096 R)
• M18: 19,629,485 km (0.11 R)
• M19: 20,726,635 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.8

Radius: 11.1

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 3.69 AU - 5.67 AU

Year: 6437 Days

Day: 10.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,802,304 km

• M1: 138,079 km (0.08 R)
• M2: 641,176 km (0.064 R)
• M3: 1,311,076 km (0.089 R)
• M4: 1,996,384 km (0.111 R)
• M5: 3,011,854 km (0.105 R)
• M6: 3,655,424 km (0.067 R)
• M7: 4,411,342 km (0.113 R)
• M8: 5,088,721 km (0.076 R)
• M9: 5,890,117 km (0.097 R)
• M10: 6,439,889 km (0.084 R)
• M11: 7,443,092 km (0.066 R)
• M12: 8,656,331 km (0.102 R)
• M13: 9,718,326 km (0.078 R)
• M14: 10,528,698 km (0.059 R)
• M15: 11,827,956 km (0.085 R)
• M16: 12,423,056 km (0.065 R)
• M17: 14,175,595 km (0.097 R)
• M18: 15,757,293 km (0.083 R)
• M19: 18,225,359 km (0.082 R)
• M20: 22,359,945 km (0.059 R)
• M21: 24,571,001 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.6

Radius: 14

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 4.5 AU - 7.26 AU

Year: 9066 Days

Day: 7.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,802,304 km

• M1: 174,282 km (0.103 R)
• M2: 2,656,110 km (0.106 R)
• M3: 3,148,586 km (0.116 R)
• M4: 3,679,808 km (0.112 R)
• M5: 4,498,857 km (0.109 R)
• M6: 9,082,536 km (0.115 R)
• M7: 9,899,789 km (0.077 R)
• M8: 12,752,770 km (0.094 R)
• M9: 14,339,255 km (0.088 R)
• M10: 16,675,824 km (0.078 R)
• M11: 17,638,636 km (0.063 R)
• M12: 19,605,100 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 751.1

Radius: 3.7

Gravity: 54.86 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 8.45 AU - 10.55 AU

Year: 18617 Days

Day: 24.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 74,802,304 km

• M1: 46,824 km (0.059 R)
• M2: 234,121 km (0.102 R)
• M3: 635,193 km (0.117 R)
• M4: 897,587 km (0.078 R)
• M5: 1,041,201 km (0.034 R)
• M6: 1,344,885 km (0.111 R)
• M7: 2,188,018 km (0.092 R)
• M8: 2,338,364 km (0.048 R)
• M9: 2,683,935 km (0.083 R)
• M10: 4,514,714 km (0.067 R)
• M11: 7,087,798 km (0.073 R)
• M12: 8,574,501 km (0.109 R)
• M13: 10,436,546 km (0.091 R)
• M14: 11,687,184 km (0.117 R)
• M15: 14,406,724 km (0.037 R)
• M16: 15,793,047 km (0.11 R)
• M17: 17,519,855 km (0.114 R)
• M18: 22,329,128 km (0.118 R)
• M19: 24,925,848 km (0.096 R)
• M20: 28,889,144 km (0.074 R)
• M21: 30,094,155 km (0.096 R)
• M22: 31,081,950 km (0.1 R)
• M23: 32,991,866 km (0.07 R)
• M24: 34,843,887 km (0.073 R)
• M25: 38,608,966 km (0.118 R)
• M26: 42,482,504 km (0.104 R)
• M27: 44,196,297 km (0.078 R)
• M28: 44,671,570 km (0.066 R)
• M29: 48,429,319 km (0.059 R)
• M30: 54,543,384 km (0.091 R)
• M31: 55,456,679 km (0.092 R)
• M32: 65,157,502 km (0.072 R)
• M33: 69,548,050 km (0.073 R)
• M34: 71,924,562 km (0.074 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 460 - 14,255 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit