🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.3

Radius: 8.4

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.7 AU - 0.72 AU

Year: 413 Days

Day: 6.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,250,967 km

• M1: 104,868 km (0.117 R)
• M2: 379,829 km (0.053 R)
• M3: 923,019 km (0.114 R)
• M4: 1,212,940 km (0.07 R)
• M5: 1,512,734 km (0.103 R)
• M6: 2,299,170 km (0.117 R)
• M7: 2,764,120 km (0.079 R)
• M8: 3,214,409 km (0.092 R)
• M9: 4,597,591 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.5

Radius: 11.1

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.76 AU - 0.84 AU

Year: 494 Days

Day: 13 Hours

Environment

Temp: -170 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,250,967 km

• M1: 138,079 km (0.088 R)
• M2: 568,023 km (0.087 R)
• M3: 931,097 km (0.093 R)
• M4: 1,331,720 km (0.091 R)
• M5: 1,955,693 km (0.067 R)
• M6: 2,312,334 km (0.078 R)
• M7: 2,670,771 km (0.12 R)
• M8: 3,207,079 km (0.11 R)
• M9: 3,868,003 km (0.116 R)
• M10: 4,466,394 km (0.044 R)
• M11: 4,867,167 km (0.025 R)
• M12: 5,884,731 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923

Radius: 11.3

Gravity: 7.23 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.72 AU - 0.96 AU

Year: 531 Days

Day: 7.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 83.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,250,967 km

• M1: 140,472 km (0.096 R)
• M2: 688,449 km (0.115 R)
• M3: 1,190,949 km (0.117 R)
• M4: 1,565,841 km (0.076 R)
• M5: 2,129,226 km (0.107 R)
• M6: 2,490,356 km (0.111 R)
• M7: 2,950,220 km (0.094 R)
• M8: 3,440,751 km (0.11 R)
• M9: 3,871,892 km (0.107 R)
• M10: 4,778,455 km (0.051 R)
• M11: 5,475,581 km (0.1 R)
• M12: 5,933,052 km (0.057 R)
• M13: 6,596,369 km (0.03 R)
• M14: 7,179,202 km (0.032 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.2

Radius: 11.2

Gravity: 7.53 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.67 AU - 1.03 AU

Year: 541 Days

Day: 10.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 76.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,250,967 km

• M1: 139,425 km (0.075 R)
• M2: 500,554 km (0.059 R)
• M3: 877,990 km (0.06 R)
• M4: 1,406,070 km (0.07 R)
• M5: 1,839,455 km (0.078 R)
• M6: 2,253,842 km (0.115 R)
• M7: 3,017,539 km (0.115 R)
• M8: 3,707,634 km (0.071 R)
• M9: 4,804,635 km (0.091 R)
• M10: 5,261,357 km (0.077 R)
• M11: 5,802,602 km (0.115 R)
• M12: 6,242,420 km (0.095 R)
• M13: 6,725,172 km (0.108 R)
• M14: 7,607,501 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.2

Radius: 13.8

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.88 AU - 1.44 AU

Year: 862 Days

Day: 8.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,250,967 km

• M1: 171,589 km (0.112 R)
• M2: 679,922 km (0.066 R)
• M3: 1,159,533 km (0.066 R)
• M4: 1,730,249 km (0.12 R)
• M5: 2,268,353 km (0.068 R)
• M6: 2,842,509 km (0.119 R)
• M7: 3,399,013 km (0.105 R)
• M8: 3,855,885 km (0.119 R)
• M9: 5,267,939 km (0.12 R)
• M10: 5,760,715 km (0.081 R)
• M11: 6,349,382 km (0.11 R)
• M12: 6,931,617 km (0.102 R)
• M13: 7,672,426 km (0.101 R)
• M14: 8,412,636 km (0.118 R)
• M15: 9,511,283 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.8

Radius: 10.4

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.03 AU - 1.31 AU

Year: 874 Days

Day: 10.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,250,967 km

• M1: 129,402 km (0.104 R)
• M2: 469,887 km (0.053 R)
• M3: 812,017 km (0.102 R)
• M4: 2,119,802 km (0.054 R)
• M5: 2,680,345 km (0.076 R)
• M6: 3,628,646 km (0.089 R)
• M7: 4,065,472 km (0.119 R)
• M8: 5,064,337 km (0.099 R)
• M9: 5,672,452 km (0.049 R)
• M10: 6,219,382 km (0.059 R)
• M11: 7,321,320 km (0.064 R)
• M12: 7,766,523 km (0.078 R)
• M13: 9,878,995 km (0.058 R)
• M14: 10,331,229 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.1

Radius: 9.7

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.67 AU - 3.61 AU

Year: 3841 Days

Day: 6 Hours

Environment

Temp: -218 °C

Axial Tilt: 74 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,250,967 km

• M1: 120,725 km (0.102 R)
• M2: 555,457 km (0.084 R)
• M3: 870,809 km (0.105 R)
• M4: 1,301,801 km (0.084 R)
• M5: 2,879,909 km (0.117 R)
• M6: 3,581,822 km (0.093 R)
• M7: 3,982,894 km (0.081 R)
• M8: 4,454,576 km (0.068 R)
• M9: 5,346,478 km (0.103 R)
• M10: 7,452,068 km (0.091 R)
• M11: 8,231,623 km (0.051 R)
• M12: 9,130,856 km (0.04 R)
• M13: 10,860,207 km (0.115 R)
• M14: 13,391,253 km (0.097 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.7

Radius: 8.5

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.75 AU - 5.23 AU

Year: 6567 Days

Day: 13.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,250,967 km

• M1: 105,766 km (0.103 R)
• M2: 373,695 km (0.061 R)
• M3: 792,420 km (0.089 R)
• M4: 1,170,155 km (0.119 R)
• M5: 1,628,971 km (0.085 R)
• M6: 1,984,266 km (0.055 R)
• M7: 2,375,016 km (0.075 R)
• M8: 3,133,776 km (0.049 R)
• M9: 3,433,720 km (0.117 R)
• M10: 4,426,451 km (0.119 R)
• M11: 4,727,742 km (0.088 R)
• M12: 5,892,361 km (0.067 R)
• M13: 6,351,327 km (0.065 R)
• M14: 11,291,498 km (0.094 R)
• M15: 12,390,294 km (0.066 R)
• M16: 15,705,084 km (0.095 R)
• M17: 18,710,804 km (0.11 R)
• M18: 19,301,865 km (0.106 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.5

Radius: 9.9

Gravity: 8.33 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 4.97 AU - 6.09 AU

Year: 8976 Days

Day: 9.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 52,250,967 km

• M1: 128,056 km (0.046 R)
• M2: 478,264 km (0.073 R)
• M3: 886,966 km (0.043 R)
• M4: 1,383,930 km (0.092 R)
• M5: 1,742,366 km (0.106 R)
• M6: 3,445,987 km (0.109 R)
• M7: 4,032,560 km (0.08 R)
• M8: 5,571,174 km (0.117 R)
• M9: 5,948,759 km (0.116 R)
• M10: 6,641,248 km (0.063 R)
• M11: 7,026,911 km (0.064 R)
• M12: 7,386,694 km (0.067 R)
• M13: 8,230,426 km (0.066 R)
• M14: 8,630,600 km (0.088 R)
• M15: 10,777,031 km (0.096 R)
• M16: 11,148,632 km (0.103 R)
• M17: 12,662,861 km (0.059 R)
• M18: 13,017,259 km (0.116 R)
• M19: 13,994,582 km (0.091 R)
• M20: 14,309,784 km (0.03 R)
• M21: 14,824,102 km (0.092 R)
• M22: 15,821,471 km (0.103 R)
• M23: 17,220,360 km (0.053 R)
• M24: 23,291,042 km (0.071 R)
• M25: 24,092,887 km (0.11 R)
• M26: 24,637,722 km (0.091 R)
• M27: 26,035,565 km (0.052 R)
• M28: 27,191,358 km (0.095 R)
• M29: 27,781,821 km (0.099 R)
• M30: 28,785,024 km (0.091 R)
• M31: 33,152,085 km (0.101 R)
• M32: 35,201,576 km (0.079 R)
• M33: 37,213,518 km (0.081 R)
• M34: 38,186,352 km (0.091 R)
• M35: 39,300,857 km (0.079 R)
• M36: 40,948,976 km (0.119 R)
• M37: 43,573,521 km (0.107 R)
• M38: 44,927,083 km (0.111 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 762.8

Radius: 4.6

Gravity: 36.05 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.73 AU - 7.78 AU

Year: 10785 Days

Day: 18.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 52,250,967 km

• M1: 57,595 km (0.084 R)
• M2: 922,720 km (0.108 R)
• M3: 1,397,095 km (0.031 R)
• M4: 1,567,337 km (0.099 R)
• M5: 4,007,577 km (0.075 R)
• M6: 4,265,185 km (0.115 R)
• M7: 6,387,679 km (0.101 R)
• M8: 6,620,603 km (0.088 R)
• M9: 13,868,171 km (0.07 R)
• M10: 14,193,397 km (0.092 R)
• M11: 15,337,222 km (0.097 R)
• M12: 15,615,026 km (0.098 R)
• M13: 16,906,803 km (0.07 R)
• M14: 19,782,972 km (0.108 R)
• M15: 21,552,266 km (0.117 R)
• M16: 22,341,694 km (0.117 R)
• M17: 23,332,630 km (0.109 R)
• M18: 23,792,644 km (0.094 R)
• M19: 28,104,503 km (0.047 R)
• M20: 32,679,655 km (0.039 R)
• M21: 33,837,842 km (0.085 R)
• M22: 38,488,241 km (0.107 R)
• M23: 40,172,115 km (0.096 R)
• M24: 42,447,199 km (0.08 R)
• M25: 49,634,030 km (0.1 R)
• M26: 49,937,265 km (0.104 R)
• M27: 50,394,436 km (0.097 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 221 - 12,809 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit