🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959

Radius: 14.1

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.15 AU - 1.29 AU

Year: 870 Days

Day: 13.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 61.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 26,988,056 km

• M1: 175,329 km (0.098 R)
• M2: 650,452 km (0.112 R)
• M3: 1,112,559 km (0.105 R)
• M4: 1,769,743 km (0.06 R)
• M5: 2,378,307 km (0.113 R)
• M6: 2,889,483 km (0.113 R)
• M7: 3,621,166 km (0.107 R)
• M8: 4,828,720 km (0.119 R)
• M9: 5,677,538 km (0.091 R)
• M10: 6,159,692 km (0.093 R)
• M11: 6,806,853 km (0.069 R)
• M12: 7,548,260 km (0.102 R)
• M13: 8,211,278 km (0.114 R)
• M14: 8,720,060 km (0.074 R)
• M15: 9,450,397 km (0.095 R)
• M16: 9,919,984 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.2

Radius: 12

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.81 AU - 1.95 AU

Year: 1664 Days

Day: 9.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 26,988,056 km

• M1: 151,991 km (0.104 R)
• M2: 830,268 km (0.107 R)
• M3: 1,244,056 km (0.092 R)
• M4: 1,916,050 km (0.097 R)
• M5: 3,248,667 km (0.103 R)
• M6: 4,420,767 km (0.115 R)
• M7: 5,204,360 km (0.071 R)
• M8: 5,704,616 km (0.114 R)
• M9: 6,753,745 km (0.076 R)
• M10: 10,511,644 km (0.086 R)
• M11: 11,659,508 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.8

Radius: 11.9

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.86 AU - 2.44 AU

Year: 2036 Days

Day: 5.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 26,988,056 km

• M1: 156,629 km (0.091 R)
• M2: 579,991 km (0.056 R)
• M3: 1,538,465 km (0.104 R)
• M4: 2,429,918 km (0.071 R)
• M5: 2,893,372 km (0.072 R)
• M6: 3,267,367 km (0.097 R)
• M7: 3,907,945 km (0.035 R)
• M8: 5,123,577 km (0.12 R)
• M9: 7,089,443 km (0.081 R)
• M10: 12,047,416 km (0.05 R)
• M11: 12,611,400 km (0.1 R)
• M12: 13,966,756 km (0.117 R)
• M13: 15,510,906 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.4

Radius: 9.2

Gravity: 11.74 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.98 AU - 2.4 AU

Year: 2093 Days

Day: 6.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,988,056 km

• M1: 114,442 km (0.101 R)
• M2: 779,106 km (0.092 R)
• M3: 1,092,962 km (0.095 R)
• M4: 1,767,050 km (0.068 R)
• M5: 2,378,307 km (0.111 R)
• M6: 3,058,080 km (0.111 R)
• M7: 3,470,671 km (0.114 R)
• M8: 3,785,125 km (0.058 R)
• M9: 4,386,808 km (0.095 R)
• M10: 5,262,853 km (0.044 R)
• M11: 7,179,950 km (0.095 R)
• M12: 7,724,037 km (0.077 R)
• M13: 11,624,353 km (0.09 R)
• M14: 12,205,241 km (0.084 R)
• M15: 16,463,844 km (0.114 R)
• M16: 16,775,157 km (0.049 R)
• M17: 18,391,712 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.6

Radius: 11.7

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.42 AU - 3.28 AU

Year: 3107 Days

Day: 12.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 26,988,056 km

• M1: 145,559 km (0.086 R)
• M2: 572,361 km (0.057 R)
• M3: 1,212,640 km (0.105 R)
• M4: 1,630,018 km (0.089 R)
• M5: 1,999,675 km (0.118 R)
• M6: 2,591,634 km (0.114 R)
• M7: 3,390,187 km (0.098 R)
• M8: 4,301,836 km (0.038 R)
• M9: 5,551,128 km (0.066 R)
• M10: 6,008,150 km (0.041 R)
• M11: 6,403,238 km (0.106 R)
• M12: 6,906,335 km (0.053 R)
• M13: 9,945,715 km (0.113 R)
• M14: 10,785,258 km (0.047 R)
• M15: 13,020,999 km (0.092 R)
• M16: 14,074,766 km (0.117 R)
• M17: 15,081,261 km (0.095 R)
• M18: 15,549,651 km (0.083 R)
• M19: 16,406,249 km (0.079 R)
• M20: 17,125,067 km (0.081 R)
• M21: 19,104,845 km (0.092 R)
• M22: 21,038,846 km (0.077 R)
• M23: 22,421,130 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292

Radius: 12.3

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 4.35 AU - 4.51 AU

Year: 6020 Days

Day: 9.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 26,988,056 km

• M1: 153,039 km (0.088 R)
• M2: 566,976 km (0.117 R)
• M3: 1,140,235 km (0.058 R)
• M4: 1,578,108 km (0.12 R)
• M5: 2,243,070 km (0.1 R)
• M6: 3,142,602 km (0.114 R)
• M7: 3,916,472 km (0.107 R)
• M8: 4,912,794 km (0.047 R)
• M9: 5,814,720 km (0.051 R)
• M10: 7,671,828 km (0.081 R)
• M11: 10,140,043 km (0.088 R)
• M12: 11,244,075 km (0.118 R)
• M13: 13,892,107 km (0.105 R)
• M14: 16,358,677 km (0.083 R)
• M15: 19,293,039 km (0.084 R)
• M16: 20,984,841 km (0.084 R)
• M17: 22,562,052 km (0.097 R)
• M18: 23,200,236 km (0.076 R)
• M19: 24,885,905 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.6

Radius: 9.1

Gravity: 11.33 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.72 AU - 5.46 AU

Year: 6349 Days

Day: 14.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 26,988,056 km

• M1: 113,994 km (0.085 R)
• M2: 422,165 km (0.083 R)
• M3: 834,756 km (0.108 R)
• M4: 1,471,893 km (0.041 R)
• M5: 2,131,919 km (0.059 R)
• M6: 2,548,549 km (0.104 R)
• M7: 3,274,847 km (0.112 R)
• M8: 3,880,718 km (0.051 R)
• M9: 4,504,691 km (0.05 R)
• M10: 5,595,559 km (0.111 R)
• M11: 6,254,089 km (0.119 R)
• M12: 9,965,911 km (0.065 R)
• M13: 10,538,721 km (0.11 R)
• M14: 14,811,685 km (0.031 R)
• M15: 15,494,749 km (0.098 R)
• M16: 16,133,831 km (0.119 R)
• M17: 17,192,685 km (0.106 R)
• M18: 18,297,166 km (0.095 R)
• M19: 18,580,654 km (0.059 R)
• M20: 19,083,602 km (0.109 R)
• M21: 20,954,323 km (0.119 R)
• M22: 24,112,035 km (0.058 R)
• M23: 25,231,476 km (0.11 R)
• M24: 26,747,052 km (0.075 R)
• M25: 28,797,291 km (0.105 R)
• M26: 30,850,073 km (0.064 R)
• M27: 35,244,810 km (0.035 R)
• M28: 35,573,925 km (0.118 R)
• M29: 36,349,590 km (0.062 R)
• M30: 37,249,870 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.9

Radius: 9.9

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 4.69 AU - 4.75 AU

Year: 6621 Days

Day: 7 Hours

Environment

Temp: -211 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 26,988,056 km

• M1: 124,166 km (0.042 R)
• M2: 1,028,485 km (0.117 R)
• M3: 1,387,071 km (0.041 R)
• M4: 3,038,782 km (0.092 R)
• M5: 4,400,571 km (0.089 R)
• M6: 4,740,607 km (0.091 R)
• M7: 6,161,188 km (0.111 R)
• M8: 10,150,365 km (0.086 R)
• M9: 11,053,637 km (0.12 R)
• M10: 11,684,940 km (0.098 R)
• M11: 12,103,365 km (0.106 R)
• M12: 13,826,434 km (0.085 R)
• M13: 15,044,160 km (0.072 R)
• M14: 15,989,320 km (0.096 R)
• M15: 17,270,326 km (0.1 R)
• M16: 18,998,331 km (0.094 R)
• M17: 21,110,803 km (0.119 R)
• M18: 23,011,294 km (0.109 R)
• M19: 24,870,197 km (0.079 R)
• M20: 25,330,809 km (0.096 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: 180 - 16,579 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit