🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.9

Radius: 12.3

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.66 AU - 1.08 AU

Year: 550 Days

Day: 6.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,794,766 km

• M1: 153,338 km (0.053 R)
• M2: 646,412 km (0.066 R)
• M3: 1,110,914 km (0.034 R)
• M4: 1,543,401 km (0.105 R)
• M5: 2,026,154 km (0.056 R)
• M6: 2,545,109 km (0.113 R)
• M7: 3,054,489 km (0.095 R)
• M8: 3,483,985 km (0.082 R)
• M9: 4,466,095 km (0.068 R)
• M10: 5,056,558 km (0.038 R)
• M11: 6,234,790 km (0.055 R)
• M12: 7,189,075 km (0.102 R)
• M13: 7,816,040 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.9

Radius: 12.3

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.87 AU - 1.29 AU

Year: 761 Days

Day: 11.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,794,766 km

• M1: 153,637 km (0.097 R)
• M2: 668,403 km (0.113 R)
• M3: 1,337,255 km (0.062 R)
• M4: 1,784,703 km (0.106 R)
• M5: 3,342,764 km (0.065 R)
• M6: 4,250,076 km (0.116 R)
• M7: 4,667,753 km (0.089 R)
• M8: 5,220,966 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.7

Radius: 10.3

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.2 AU - 2.46 AU

Year: 2412 Days

Day: 13.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,794,766 km

• M1: 128,355 km (0.088 R)
• M2: 489,035 km (0.074 R)
• M3: 1,518,867 km (0.067 R)
• M4: 2,343,451 km (0.115 R)
• M5: 2,804,511 km (0.092 R)
• M6: 6,004,260 km (0.114 R)
• M7: 7,128,787 km (0.059 R)
• M8: 7,616,028 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.8

Radius: 13.7

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.37 AU - 2.75 AU

Year: 2778 Days

Day: 14.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,794,766 km

• M1: 170,542 km (0.115 R)
• M2: 601,533 km (0.116 R)
• M3: 1,103,135 km (0.066 R)
• M4: 1,539,960 km (0.098 R)
• M5: 2,226,914 km (0.1 R)
• M6: 3,174,616 km (0.051 R)
• M7: 3,884,907 km (0.113 R)
• M8: 4,740,607 km (0.047 R)
• M9: 5,531,232 km (0.094 R)
• M10: 6,281,016 km (0.055 R)
• M11: 6,961,387 km (0.088 R)
• M12: 7,603,611 km (0.089 R)
• M13: 8,942,961 km (0.115 R)
• M14: 10,685,926 km (0.107 R)
• M15: 14,210,601 km (0.042 R)
• M16: 14,654,907 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.7

Radius: 8.2

Gravity: 11.6 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.17 AU - 4.77 AU

Year: 6410 Days

Day: 9.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 59,794,766 km

• M1: 102,175 km (0.107 R)
• M2: 465,549 km (0.105 R)
• M3: 979,118 km (0.114 R)
• M4: 1,638,845 km (0.098 R)
• M5: 2,831,289 km (0.075 R)
• M6: 3,284,272 km (0.108 R)
• M7: 3,713,618 km (0.119 R)
• M8: 4,440,514 km (0.063 R)
• M9: 4,712,183 km (0.092 R)
• M10: 5,199,573 km (0.109 R)
• M11: 5,594,661 km (0.118 R)
• M12: 6,937,302 km (0.037 R)
• M13: 7,454,312 km (0.075 R)
• M14: 7,957,260 km (0.045 R)
• M15: 8,400,220 km (0.083 R)
• M16: 8,987,840 km (0.055 R)
• M17: 9,647,417 km (0.052 R)
• M18: 10,012,137 km (0.046 R)
• M19: 12,397,325 km (0.113 R)
• M20: 14,895,011 km (0.078 R)
• M21: 15,444,335 km (0.063 R)
• M22: 16,909,646 km (0.095 R)
• M23: 18,957,192 km (0.053 R)
• M24: 28,247,369 km (0.113 R)
• M25: 29,183,403 km (0.109 R)
• M26: 30,528,288 km (0.114 R)
• M27: 32,115,521 km (0.114 R)
• M28: 33,548,669 km (0.082 R)
• M29: 36,762,630 km (0.086 R)
• M30: 37,094,886 km (0.056 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 64.2

Radius: 4.7

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 6.16 AU - 7.54 AU

Year: 12160 Days

Day: 19.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,794,766 km

• M1: 58,493 km (0.108 R)
• M2: 277,953 km (0.107 R)
• M3: 488,437 km (0.112 R)
• M4: 643,420 km (0.066 R)
• M5: 1,571,974 km (0.057 R)
• M6: 2,298,422 km (0.048 R)
• M7: 2,498,733 km (0.072 R)
• M8: 2,846,847 km (0.071 R)
• M9: 4,641,274 km (0.119 R)
• M10: 5,675,294 km (0.093 R)
• M11: 6,948,971 km (0.037 R)
• M12: 7,908,342 km (0.093 R)
• M13: 8,152,486 km (0.083 R)
• M14: 9,294,965 km (0.092 R)
• M15: 9,488,694 km (0.117 R)
• M16: 9,724,759 km (0.103 R)
• M17: 10,005,106 km (0.06 R)
• M18: 12,681,112 km (0.07 R)
• M19: 16,019,090 km (0.114 R)
• M20: 19,771,154 km (0.091 R)
• M21: 20,416,070 km (0.117 R)
• M22: 24,215,407 km (0.033 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 633

Radius: 7

Gravity: 12.92 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 6.72 AU - 9.46 AU

Year: 15607 Days

Day: 16.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 59,794,766 km

• M1: 93,499 km (0.08 R)
• M2: 611,855 km (0.086 R)
• M3: 943,514 km (0.106 R)
• M4: 1,464,114 km (0.108 R)
• M5: 2,341,356 km (0.047 R)
• M6: 3,639,118 km (0.088 R)
• M7: 4,101,824 km (0.088 R)
• M8: 4,538,201 km (0.049 R)
• M9: 5,765,352 km (0.095 R)
• M10: 5,996,032 km (0.103 R)
• M11: 6,435,102 km (0.105 R)
• M12: 8,605,618 km (0.038 R)
• M13: 9,268,486 km (0.069 R)
• M14: 20,338,279 km (0.038 R)
• M15: 21,145,809 km (0.098 R)
• M16: 22,255,526 km (0.084 R)
• M17: 25,506,886 km (0.081 R)
• M18: 32,933,074 km (0.099 R)
• M19: 34,422,171 km (0.086 R)
• M20: 36,215,401 km (0.05 R)
• M21: 37,400,515 km (0.051 R)
• M22: 41,110,991 km (0.106 R)
• M23: 42,255,714 km (0.068 R)
• M24: 47,827,935 km (0.045 R)
• M25: 52,023,856 km (0.085 R)
• M26: 52,356,412 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 537.1

Radius: 5.8

Gravity: 15.97 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 6.96 AU - 9.52 AU

Year: 16043 Days

Day: 19 Hours

Environment

Temp: -235 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,794,766 km

• M1: 72,106 km (0.039 R)
• M2: 280,496 km (0.085 R)
• M3: 534,663 km (0.066 R)
• M4: 908,508 km (0.065 R)
• M5: 1,857,108 km (0.036 R)
• M6: 2,168,272 km (0.106 R)
• M7: 4,151,042 km (0.028 R)
• M8: 4,334,150 km (0.07 R)
• M9: 4,554,507 km (0.045 R)
• M10: 7,544,370 km (0.059 R)
• M11: 11,394,720 km (0.092 R)
• M12: 11,999,096 km (0.094 R)
• M13: 12,688,143 km (0.107 R)
• M14: 13,669,954 km (0.108 R)
• M15: 17,073,455 km (0.109 R)
• M16: 23,223,125 km (0.114 R)
• M17: 23,414,909 km (0.067 R)
• M18: 27,051,933 km (0.082 R)
• M19: 30,586,033 km (0.081 R)
• M20: 36,059,220 km (0.101 R)
• M21: 39,093,215 km (0.116 R)
• M22: 44,471,707 km (0.115 R)
• M23: 44,767,612 km (0.088 R)
• M24: 45,663,553 km (0.042 R)
• M25: 47,955,393 km (0.105 R)
• M26: 48,266,706 km (0.09 R)
• M27: 54,439,862 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 421.3

Radius: 3.2

Gravity: 41.14 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 6.8 AU - 10.84 AU

Year: 17766 Days

Day: 21.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 59,794,766 km

• M1: 75,248 km (0.066 R)
• M2: 394,190 km (0.045 R)
• M3: 1,820,008 km (0.069 R)
• M4: 2,851,036 km (0.108 R)
• M5: 3,344,560 km (0.109 R)
• M6: 3,778,693 km (0.056 R)
• M7: 3,980,051 km (0.097 R)
• M8: 4,466,992 km (0.114 R)
• M9: 5,305,488 km (0.093 R)
• M10: 5,818,310 km (0.114 R)
• M11: 6,047,793 km (0.103 R)
• M12: 6,856,818 km (0.033 R)
• M13: 8,201,853 km (0.107 R)
• M14: 8,588,115 km (0.098 R)
• M15: 8,986,344 km (0.085 R)
• M16: 9,712,791 km (0.093 R)
• M17: 10,817,272 km (0.101 R)
• M18: 13,669,805 km (0.119 R)
• M19: 14,488,853 km (0.067 R)
• M20: 14,768,900 km (0.063 R)
• M21: 18,994,890 km (0.096 R)
• M22: 21,608,066 km (0.099 R)
• M23: 22,529,589 km (0.071 R)
• M24: 32,387,789 km (0.081 R)
• M25: 39,388,671 km (0.052 R)
• M26: 43,167,064 km (0.059 R)
• M27: 45,815,694 km (0.086 R)
• M28: 57,494,501 km (0.052 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: 420 - 19,347 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit