🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.5

Radius: 10.7

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.79 AU - 1.23 AU

Year: 677 Days

Day: 7.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,565,070 km

• M1: 133,441 km (0.113 R)
• M2: 485,295 km (0.076 R)
• M3: 889,060 km (0.101 R)
• M4: 1,251,087 km (0.071 R)
• M5: 1,730,099 km (0.115 R)
• M6: 2,402,991 km (0.069 R)
• M7: 2,842,360 km (0.096 R)
• M8: 3,470,222 km (0.07 R)
• M9: 4,034,206 km (0.06 R)
• M10: 4,378,580 km (0.073 R)
• M11: 5,145,269 km (0.102 R)
• M12: 5,551,427 km (0.09 R)
• M13: 6,834,678 km (0.074 R)
• M14: 7,628,145 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.4

Radius: 13.1

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.27 AU - 1.29 AU

Year: 966 Days

Day: 8.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,565,070 km

• M1: 182,360 km (0.12 R)
• M2: 673,938 km (0.108 R)
• M3: 1,318,406 km (0.096 R)
• M4: 1,727,107 km (0.09 R)
• M5: 2,213,151 km (0.109 R)
• M6: 3,086,354 km (0.07 R)
• M7: 3,505,826 km (0.073 R)
• M8: 4,325,473 km (0.062 R)
• M9: 5,269,286 km (0.109 R)
• M10: 6,153,708 km (0.105 R)
• M11: 6,803,412 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.2

Radius: 9.1

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.81 AU - 1.91 AU

Year: 1692 Days

Day: 10.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,565,070 km

• M1: 113,246 km (0.071 R)
• M2: 458,069 km (0.115 R)
• M3: 748,139 km (0.086 R)
• M4: 1,109,867 km (0.093 R)
• M5: 1,926,821 km (0.089 R)
• M6: 3,099,668 km (0.069 R)
• M7: 3,590,498 km (0.11 R)
• M8: 4,007,428 km (0.114 R)
• M9: 4,472,976 km (0.084 R)
• M10: 5,341,392 km (0.082 R)
• M11: 6,089,082 km (0.118 R)
• M12: 6,683,434 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.2

Radius: 8.3

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.56 AU - 2.2 AU

Year: 1719 Days

Day: 12.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,565,070 km

• M1: 162,014 km (0.077 R)
• M2: 635,193 km (0.108 R)
• M3: 1,148,612 km (0.087 R)
• M4: 1,429,856 km (0.082 R)
• M5: 1,757,476 km (0.097 R)
• M6: 2,761,427 km (0.108 R)
• M7: 3,408,587 km (0.099 R)
• M8: 3,775,551 km (0.071 R)
• M9: 4,168,694 km (0.079 R)
• M10: 7,471,666 km (0.06 R)
• M11: 8,365,513 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.6

Radius: 8.2

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.37 AU - 2.61 AU

Year: 2620 Days

Day: 9.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 52,565,070 km

• M1: 102,026 km (0.102 R)
• M2: 409,749 km (0.075 R)
• M3: 800,797 km (0.101 R)
• M4: 1,071,270 km (0.071 R)
• M5: 1,497,624 km (0.047 R)
• M6: 2,333,577 km (0.115 R)
• M7: 2,634,269 km (0.108 R)
• M8: 3,166,688 km (0.033 R)
• M9: 3,860,822 km (0.077 R)
• M10: 4,548,074 km (0.054 R)
• M11: 5,360,541 km (0.113 R)
• M12: 5,789,288 km (0.085 R)
• M13: 6,396,356 km (0.081 R)
• M14: 7,242,482 km (0.096 R)
• M15: 7,677,812 km (0.1 R)
• M16: 8,099,678 km (0.118 R)
• M17: 8,441,957 km (0.075 R)
• M18: 8,989,785 km (0.061 R)
• M19: 9,390,707 km (0.078 R)
• M20: 9,699,178 km (0.07 R)
• M21: 10,300,262 km (0.065 R)
• M22: 10,963,579 km (0.112 R)
• M23: 11,498,990 km (0.1 R)
• M24: 12,051,604 km (0.119 R)
• M25: 12,621,872 km (0.08 R)
• M26: 13,772,279 km (0.082 R)
• M27: 14,305,446 km (0.111 R)
• M28: 15,842,564 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.9

Radius: 14.7

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.27 AU - 4.01 AU

Year: 4631 Days

Day: 6.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,565,070 km

• M1: 183,108 km (0.039 R)
• M2: 676,332 km (0.062 R)
• M3: 1,175,690 km (0.096 R)
• M4: 1,848,431 km (0.102 R)
• M5: 2,381,299 km (0.055 R)
• M6: 4,432,435 km (0.103 R)
• M7: 5,555,766 km (0.112 R)
• M8: 6,226,712 km (0.108 R)
• M9: 7,570,849 km (0.099 R)
• M10: 8,779,301 km (0.116 R)
• M11: 12,812,010 km (0.099 R)
• M12: 14,278,818 km (0.075 R)
• M13: 15,489,214 km (0.047 R)
• M14: 19,170,967 km (0.026 R)
• M15: 21,214,773 km (0.077 R)
• M16: 21,731,484 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 426.5

Radius: 6.6

Gravity: 9.79 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 5.26 AU - 6.52 AU

Year: 9532 Days

Day: 19.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 52,565,070 km

• M1: 82,129 km (0.118 R)
• M2: 312,809 km (0.057 R)
• M3: 544,835 km (0.091 R)
• M4: 818,300 km (0.062 R)
• M5: 1,452,745 km (0.091 R)
• M6: 2,151,666 km (0.079 R)
• M7: 2,652,221 km (0.117 R)
• M8: 3,205,583 km (0.108 R)
• M9: 4,295,254 km (0.097 R)
• M10: 5,146,915 km (0.071 R)
• M11: 5,676,940 km (0.109 R)
• M12: 6,106,286 km (0.1 R)
• M13: 6,918,752 km (0.095 R)
• M14: 7,370,238 km (0.069 R)
• M15: 7,721,494 km (0.114 R)
• M16: 9,239,763 km (0.11 R)
• M17: 10,068,984 km (0.111 R)
• M18: 11,404,294 km (0.08 R)
• M19: 12,466,888 km (0.116 R)
• M20: 16,772,315 km (0.119 R)
• M21: 17,176,080 km (0.085 R)
• M22: 18,355,360 km (0.103 R)
• M23: 18,712,300 km (0.107 R)
• M24: 21,656,685 km (0.104 R)
• M25: 22,784,952 km (0.112 R)
• M26: 23,197,244 km (0.116 R)
• M27: 23,951,816 km (0.107 R)
• M28: 24,378,020 km (0.101 R)
• M29: 27,319,114 km (0.075 R)
• M30: 28,922,804 km (0.066 R)
• M31: 29,406,154 km (0.089 R)
• M32: 30,688,058 km (0.065 R)
• M33: 33,574,849 km (0.118 R)
• M34: 35,744,317 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 517.8

Radius: 5.4

Gravity: 17.76 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 6.73 AU - 6.81 AU

Year: 11747 Days

Day: 20.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 52,565,070 km

• M1: 67,169 km (0.069 R)
• M2: 389,702 km (0.086 R)
• M3: 763,697 km (0.073 R)
• M4: 1,001,558 km (0.055 R)
• M5: 1,214,735 km (0.094 R)
• M6: 2,486,317 km (0.071 R)
• M7: 2,946,779 km (0.097 R)
• M8: 4,373,793 km (0.098 R)
• M9: 5,708,655 km (0.098 R)
• M10: 5,919,289 km (0.063 R)
• M11: 6,506,460 km (0.085 R)
• M12: 7,335,232 km (0.109 R)
• M13: 7,968,630 km (0.073 R)
• M14: 8,232,072 km (0.03 R)
• M15: 10,448,065 km (0.051 R)
• M16: 11,414,018 km (0.102 R)
• M17: 12,205,391 km (0.084 R)
• M18: 12,438,016 km (0.114 R)
• M19: 12,912,241 km (0.115 R)
• M20: 15,807,109 km (0.031 R)
• M21: 18,337,408 km (0.112 R)
• M22: 20,628,499 km (0.099 R)
• M23: 21,292,564 km (0.115 R)
• M24: 23,459,788 km (0.099 R)
• M25: 24,274,798 km (0.035 R)
• M26: 27,127,330 km (0.069 R)
• M27: 28,024,917 km (0.109 R)
• M28: 31,703,678 km (0.12 R)
• M29: 32,476,202 km (0.118 R)
• M30: 32,699,252 km (0.075 R)
• M31: 36,407,484 km (0.106 R)
• M32: 38,114,545 km (0.065 R)
• M33: 38,611,809 km (0.087 R)
• M34: 39,365,932 km (0.052 R)
• M35: 40,386,638 km (0.091 R)
• M36: 41,818,738 km (0.086 R)
• M37: 45,060,225 km (0.036 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 533.1

Radius: 4.3

Gravity: 28.83 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 6.6 AU - 7.9 AU

Year: 13018 Days

Day: 22.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,565,070 km

• M1: 70,760 km (0.102 R)
• M2: 396,883 km (0.042 R)
• M3: 612,603 km (0.102 R)
• M4: 944,860 km (0.116 R)
• M5: 1,281,904 km (0.055 R)
• M6: 1,558,062 km (0.106 R)
• M7: 2,027,650 km (0.116 R)
• M8: 2,934,961 km (0.082 R)
• M9: 3,943,998 km (0.111 R)
• M10: 5,470,645 km (0.059 R)
• M11: 6,696,449 km (0.087 R)
• M12: 8,982,155 km (0.096 R)
• M13: 10,893,119 km (0.088 R)
• M14: 13,121,379 km (0.06 R)
• M15: 13,819,103 km (0.087 R)
• M16: 15,013,493 km (0.085 R)
• M17: 16,203,245 km (0.057 R)
• M18: 18,219,824 km (0.114 R)
• M19: 24,877,228 km (0.094 R)
• M20: 25,943,712 km (0.112 R)
• M21: 29,970,587 km (0.059 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 513 - 15,979 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit