🌌 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: 991.3

Radius: 8.4

Gravity: 14.05 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.65 AU - 0.77 AU

Year: 392 Days

Day: 13.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,016,230 km

• M1: 104,569 km (0.106 R)
• M2: 567,126 km (0.104 R)
• M3: 878,738 km (0.081 R)
• M4: 1,162,675 km (0.117 R)
• M5: 1,550,582 km (0.111 R)
• M6: 1,842,597 km (0.072 R)
• M7: 2,421,690 km (0.065 R)
• M8: 2,807,204 km (0.07 R)
• M9: 3,105,652 km (0.118 R)
• M10: 3,650,487 km (0.047 R)
• M11: 3,939,211 km (0.071 R)
• M12: 4,744,197 km (0.076 R)
• M13: 5,185,661 km (0.11 R)
• M14: 5,689,057 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.3

Radius: 10.6

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.89 AU - 1.07 AU

Year: 636 Days

Day: 5.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 67,016,230 km

• M1: 132,394 km (0.117 R)
• M2: 833,260 km (0.107 R)
• M3: 1,348,625 km (0.102 R)
• M4: 2,513,095 km (0.109 R)
• M5: 3,040,876 km (0.118 R)
• M6: 3,629,394 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.3

Radius: 12.7

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.09 AU - 3.21 AU

Year: 3668 Days

Day: 9.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 109.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,016,230 km

• M1: 181,013 km (0.089 R)
• M2: 800,797 km (0.105 R)
• M3: 1,347,428 km (0.113 R)
• M4: 4,392,343 km (0.051 R)
• M5: 5,506,698 km (0.095 R)
• M6: 7,359,617 km (0.107 R)
• M7: 7,948,584 km (0.107 R)
• M8: 9,559,454 km (0.08 R)
• M9: 10,261,367 km (0.119 R)
• M10: 14,549,889 km (0.1 R)
• M11: 15,113,125 km (0.054 R)
• M12: 17,172,040 km (0.112 R)
• M13: 19,596,274 km (0.103 R)
• M14: 21,116,936 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.1

Radius: 10.7

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.71 AU - 3.63 AU

Year: 3703 Days

Day: 10.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 67,016,230 km

• M1: 133,142 km (0.117 R)
• M2: 526,734 km (0.108 R)
• M3: 1,023,848 km (0.116 R)
• M4: 1,478,326 km (0.114 R)
• M5: 3,129,887 km (0.077 R)
• M6: 3,751,615 km (0.096 R)
• M7: 4,218,211 km (0.073 R)
• M8: 4,798,651 km (0.114 R)
• M9: 5,161,426 km (0.047 R)
• M10: 5,768,494 km (0.076 R)
• M11: 6,609,533 km (0.054 R)
• M12: 7,258,937 km (0.04 R)
• M13: 7,738,399 km (0.116 R)
• M14: 8,348,908 km (0.09 R)
• M15: 8,760,900 km (0.079 R)
• M16: 11,524,870 km (0.107 R)
• M17: 13,254,970 km (0.106 R)
• M18: 13,610,564 km (0.077 R)
• M19: 14,077,010 km (0.104 R)
• M20: 14,661,639 km (0.095 R)
• M21: 15,540,825 km (0.1 R)
• M22: 18,705,119 km (0.083 R)
• M23: 20,270,063 km (0.111 R)
• M24: 22,706,414 km (0.051 R)
• M25: 24,561,876 km (0.105 R)
• M26: 26,196,831 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.1

Radius: 9.5

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3 AU - 3.44 AU

Year: 3790 Days

Day: 13.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,016,230 km

• M1: 121,174 km (0.106 R)
• M2: 760,256 km (0.119 R)
• M3: 1,238,970 km (0.055 R)
• M4: 1,616,854 km (0.089 R)
• M5: 2,030,492 km (0.087 R)
• M6: 2,593,578 km (0.11 R)
• M7: 3,410,981 km (0.084 R)
• M8: 4,579,041 km (0.051 R)
• M9: 5,881,291 km (0.104 R)
• M10: 6,316,321 km (0.047 R)
• M11: 6,679,545 km (0.098 R)
• M12: 7,121,158 km (0.108 R)
• M13: 8,168,193 km (0.071 R)
• M14: 10,273,783 km (0.089 R)
• M15: 11,563,317 km (0.034 R)
• M16: 12,575,347 km (0.104 R)
• M17: 13,005,889 km (0.103 R)
• M18: 13,998,172 km (0.074 R)
• M19: 15,200,640 km (0.069 R)
• M20: 18,660,240 km (0.102 R)
• M21: 20,903,460 km (0.076 R)
• M22: 22,402,132 km (0.092 R)
• M23: 22,893,710 km (0.074 R)
• M24: 23,680,595 km (0.115 R)
• M25: 24,782,682 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.4

Radius: 8.5

Gravity: 10.1 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 4.04 AU - 6.74 AU

Year: 8209 Days

Day: 10.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,016,230 km

• M1: 105,766 km (0.114 R)
• M2: 432,936 km (0.117 R)
• M3: 720,015 km (0.067 R)
• M4: 1,700,629 km (0.058 R)
• M5: 2,086,292 km (0.05 R)
• M6: 3,903,457 km (0.095 R)
• M7: 4,465,496 km (0.091 R)
• M8: 4,780,849 km (0.079 R)
• M9: 6,771,697 km (0.099 R)
• M10: 7,623,358 km (0.096 R)
• M11: 9,679,431 km (0.113 R)
• M12: 12,581,181 km (0.116 R)
• M13: 14,476,137 km (0.038 R)
• M14: 27,811,142 km (0.103 R)
• M15: 32,151,724 km (0.038 R)
• M16: 32,577,031 km (0.09 R)
• M17: 40,518,882 km (0.057 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384

Radius: 10.4

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.36 AU - 7.18 AU

Year: 9092 Days

Day: 11.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 67,016,230 km

• M1: 129,402 km (0.114 R)
• M2: 496,665 km (0.116 R)
• M3: 848,818 km (0.102 R)
• M4: 1,634,058 km (0.092 R)
• M5: 3,408,587 km (0.109 R)
• M6: 4,425,105 km (0.06 R)
• M7: 5,148,860 km (0.11 R)
• M8: 5,789,587 km (0.101 R)
• M9: 6,938,798 km (0.101 R)
• M10: 9,328,175 km (0.116 R)
• M11: 10,999,632 km (0.118 R)
• M12: 11,958,255 km (0.1 R)
• M13: 14,686,921 km (0.109 R)
• M14: 15,168,775 km (0.113 R)
• M15: 16,037,490 km (0.097 R)
• M16: 19,125,938 km (0.096 R)
• M17: 20,066,011 km (0.109 R)
• M18: 23,640,503 km (0.069 R)
• M19: 24,135,971 km (0.108 R)
• M20: 24,638,470 km (0.075 R)
• M21: 27,076,018 km (0.088 R)
• M22: 27,436,997 km (0.061 R)
• M23: 30,831,074 km (0.119 R)
• M24: 31,721,331 km (0.041 R)
• M25: 32,832,693 km (0.099 R)
• M26: 34,284,391 km (0.041 R)
• M27: 34,919,584 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 284.5

Radius: 6.6

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 7.12 AU - 9.68 AU

Year: 15971 Days

Day: 19.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 67,016,230 km

• M1: 86,767 km (0.085 R)
• M2: 338,989 km (0.084 R)
• M3: 989,889 km (0.054 R)
• M4: 1,386,024 km (0.073 R)
• M5: 2,033,484 km (0.03 R)
• M6: 2,473,750 km (0.048 R)
• M7: 3,444,192 km (0.065 R)
• M8: 3,721,995 km (0.031 R)
• M9: 4,265,783 km (0.107 R)
• M10: 4,616,740 km (0.086 R)
• M11: 5,409,758 km (0.065 R)
• M12: 5,856,308 km (0.108 R)
• M13: 6,106,884 km (0.079 R)
• M14: 8,511,969 km (0.12 R)
• M15: 9,021,200 km (0.065 R)
• M16: 11,373,777 km (0.064 R)
• M17: 12,048,762 km (0.029 R)
• M18: 13,602,635 km (0.028 R)
• M19: 13,916,043 km (0.106 R)
• M20: 16,107,203 km (0.084 R)
• M21: 18,825,845 km (0.075 R)
• M22: 19,849,393 km (0.078 R)
• M23: 25,151,890 km (0.118 R)
• M24: 25,814,908 km (0.105 R)
• M25: 30,571,671 km (0.053 R)
• M26: 31,435,449 km (0.049 R)
• M27: 32,204,682 km (0.055 R)
• M28: 34,355,600 km (0.097 R)
• M29: 36,239,635 km (0.119 R)
• M30: 37,697,018 km (0.106 R)
• M31: 37,943,705 km (0.102 R)
• M32: 39,955,946 km (0.07 R)
• M33: 41,118,471 km (0.098 R)
• M34: 42,038,049 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 546.1

Radius: 7.1

Gravity: 10.83 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 7.68 AU - 10.86 AU

Year: 18515 Days

Day: 18.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 67,016,230 km

• M1: 88,412 km (0.067 R)
• M2: 372,798 km (0.116 R)
• M3: 1,072,617 km (0.09 R)
• M4: 1,435,092 km (0.117 R)
• M5: 1,703,770 km (0.113 R)
• M6: 2,933,315 km (0.077 R)
• M7: 5,011,529 km (0.072 R)
• M8: 6,688,072 km (0.039 R)
• M9: 8,504,639 km (0.106 R)
• M10: 8,862,327 km (0.034 R)
• M11: 12,482,895 km (0.117 R)
• M12: 12,878,432 km (0.036 R)
• M13: 15,885,199 km (0.085 R)
• M14: 17,144,215 km (0.077 R)
• M15: 18,299,260 km (0.118 R)
• M16: 22,750,695 km (0.067 R)
• M17: 24,757,999 km (0.096 R)
• M18: 31,971,459 km (0.045 R)
• M19: 34,484,104 km (0.049 R)
• M20: 35,788,448 km (0.096 R)
• M21: 37,806,224 km (0.101 R)
• M22: 41,190,427 km (0.063 R)
• M23: 56,390,169 km (0.098 R)
• M24: 56,748,905 km (0.032 R)
• M25: 59,301,793 km (0.048 R)
• M26: 59,672,646 km (0.091 R)
• M27: 60,231,843 km (0.118 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: 403 - 10,619 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit