🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.3

Radius: 13.2

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.5 AU - 0.7 AU

Year: 321 Days

Day: 12.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 60,291,334 km

• M1: 211,831 km (0.11 R)
• M2: 738,116 km (0.12 R)
• M3: 1,234,930 km (0.038 R)
• M4: 1,719,628 km (0.109 R)
• M5: 2,569,643 km (0.042 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.5

Radius: 9.7

Gravity: 9.28 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.97 AU - 1.41 AU

Year: 896 Days

Day: 5.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,291,334 km

• M1: 120,576 km (0.093 R)
• M2: 507,436 km (0.074 R)
• M3: 1,083,388 km (0.062 R)
• M4: 1,398,890 km (0.106 R)
• M5: 2,025,854 km (0.034 R)
• M6: 2,513,693 km (0.076 R)
• M7: 2,817,526 km (0.113 R)
• M8: 5,507,296 km (0.081 R)
• M9: 6,895,115 km (0.094 R)
• M10: 7,645,349 km (0.105 R)
• M11: 9,862,688 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116

Radius: 11

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.99 AU - 1.49 AU

Year: 953 Days

Day: 12.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,291,334 km

• M1: 141,071 km (0.101 R)
• M2: 484,697 km (0.113 R)
• M3: 1,005,597 km (0.081 R)
• M4: 1,379,891 km (0.057 R)
• M5: 3,323,915 km (0.04 R)
• M6: 3,826,863 km (0.072 R)
• M7: 4,338,937 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.3

Radius: 9.8

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.48 AU - 1.66 AU

Year: 1358 Days

Day: 11.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,291,334 km

• M1: 121,922 km (0.027 R)
• M2: 442,810 km (0.029 R)
• M3: 1,082,939 km (0.111 R)
• M4: 1,394,402 km (0.044 R)
• M5: 1,908,869 km (0.03 R)
• M6: 2,263,865 km (0.116 R)
• M7: 2,636,662 km (0.039 R)
• M8: 2,978,494 km (0.036 R)
• M9: 3,350,095 km (0.07 R)
• M10: 3,702,547 km (0.078 R)
• M11: 4,444,852 km (0.117 R)
• M12: 4,772,322 km (0.116 R)
• M13: 5,389,862 km (0.04 R)
• M14: 5,898,494 km (0.112 R)
• M15: 6,342,800 km (0.047 R)
• M16: 7,619,169 km (0.086 R)
• M17: 8,203,349 km (0.067 R)
• M18: 9,212,536 km (0.115 R)
• M19: 9,779,213 km (0.064 R)
• M20: 11,691,822 km (0.06 R)
• M21: 12,169,338 km (0.062 R)
• M22: 13,084,877 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.4

Radius: 8.2

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.41 AU - 2.35 AU

Year: 1779 Days

Day: 8.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,291,334 km

• M1: 102,175 km (0.107 R)
• M2: 487,390 km (0.07 R)
• M3: 946,207 km (0.114 R)
• M4: 1,471,445 km (0.083 R)
• M5: 1,999,675 km (0.076 R)
• M6: 2,308,445 km (0.119 R)
• M7: 2,908,482 km (0.089 R)
• M8: 3,641,362 km (0.108 R)
• M9: 4,267,728 km (0.115 R)
• M10: 4,645,612 km (0.077 R)
• M11: 5,600,047 km (0.108 R)
• M12: 6,385,436 km (0.064 R)
• M13: 8,727,989 km (0.047 R)
• M14: 9,781,906 km (0.086 R)
• M15: 10,918,251 km (0.104 R)
• M16: 13,173,738 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.3

Radius: 9.3

Gravity: 8.14 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.69 AU - 2.33 AU

Year: 1967 Days

Day: 12.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,291,334 km

• M1: 115,938 km (0.113 R)
• M2: 421,417 km (0.059 R)
• M3: 731,982 km (0.064 R)
• M4: 1,042,847 km (0.05 R)
• M5: 1,480,869 km (0.096 R)
• M6: 2,170,964 km (0.069 R)
• M7: 2,507,260 km (0.079 R)
• M8: 4,374,691 km (0.101 R)
• M9: 5,337,802 km (0.113 R)
• M10: 5,784,501 km (0.111 R)
• M11: 6,205,170 km (0.112 R)
• M12: 7,163,644 km (0.072 R)
• M13: 8,465,444 km (0.067 R)
• M14: 8,782,143 km (0.11 R)
• M15: 9,238,716 km (0.081 R)
• M16: 10,962,682 km (0.102 R)
• M17: 11,763,629 km (0.091 R)
• M18: 12,480,502 km (0.111 R)
• M19: 13,567,330 km (0.107 R)
• M20: 14,761,420 km (0.114 R)
• M21: 15,360,709 km (0.12 R)
• M22: 15,784,969 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.6

Radius: 8.2

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.67 AU - 3.77 AU

Year: 4953 Days

Day: 11.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,291,334 km

• M1: 102,026 km (0.064 R)
• M2: 433,535 km (0.102 R)
• M3: 782,247 km (0.108 R)
• M4: 1,337,106 km (0.072 R)
• M5: 1,739,674 km (0.069 R)
• M6: 2,437,847 km (0.092 R)
• M7: 3,369,991 km (0.098 R)
• M8: 4,873,001 km (0.081 R)
• M9: 5,241,909 km (0.072 R)
• M10: 5,829,979 km (0.109 R)
• M11: 6,430,464 km (0.115 R)
• M12: 7,579,526 km (0.06 R)
• M13: 8,331,405 km (0.088 R)
• M14: 11,109,138 km (0.091 R)
• M15: 11,563,915 km (0.079 R)
• M16: 11,936,713 km (0.11 R)
• M17: 14,131,763 km (0.111 R)
• M18: 14,992,699 km (0.102 R)
• M19: 15,268,856 km (0.114 R)
• M20: 16,290,909 km (0.087 R)
• M21: 17,176,977 km (0.095 R)
• M22: 18,724,717 km (0.101 R)
• M23: 19,303,810 km (0.118 R)
• M24: 20,161,604 km (0.095 R)
• M25: 20,838,385 km (0.102 R)
• M26: 21,530,425 km (0.031 R)
• M27: 23,253,493 km (0.118 R)
• M28: 25,849,016 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 737.5

Radius: 8

Gravity: 11.52 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 5.63 AU - 7.45 AU

Year: 11545 Days

Day: 17.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 60,291,334 km

• M1: 99,483 km (0.088 R)
• M2: 578,196 km (0.091 R)
• M3: 1,284,148 km (0.073 R)
• M4: 1,600,697 km (0.109 R)
• M5: 2,110,228 km (0.117 R)
• M6: 3,251,659 km (0.064 R)
• M7: 3,901,064 km (0.089 R)
• M8: 4,510,974 km (0.06 R)
• M9: 5,149,308 km (0.058 R)
• M10: 6,605,195 km (0.087 R)
• M11: 7,470,618 km (0.101 R)
• M12: 14,512,938 km (0.049 R)
• M13: 14,988,061 km (0.116 R)
• M14: 16,041,080 km (0.11 R)
• M15: 16,844,122 km (0.082 R)
• M16: 19,008,803 km (0.114 R)
• M17: 20,157,864 km (0.102 R)
• M18: 21,878,689 km (0.102 R)
• M19: 22,684,124 km (0.034 R)
• M20: 24,832,199 km (0.103 R)
• M21: 25,122,120 km (0.103 R)
• M22: 25,906,013 km (0.099 R)
• M23: 26,807,340 km (0.071 R)
• M24: 28,672,377 km (0.113 R)
• M25: 31,179,338 km (0.086 R)
• M26: 32,774,799 km (0.109 R)
• M27: 34,784,497 km (0.11 R)
• M28: 39,571,030 km (0.061 R)
• M29: 49,047,457 km (0.098 R)
• M30: 52,461,280 km (0.04 R)
• M31: 53,740,941 km (0.058 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 172.5

Radius: 6

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 6.27 AU - 7.27 AU

Year: 12159 Days

Day: 16.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,291,334 km

• M1: 77,492 km (0.094 R)
• M2: 556,205 km (0.101 R)
• M3: 1,666,670 km (0.109 R)
• M4: 3,210,071 km (0.114 R)
• M5: 4,172,434 km (0.12 R)
• M6: 4,427,349 km (0.108 R)
• M7: 8,434,627 km (0.087 R)
• M8: 16,215,212 km (0.115 R)
• M9: 26,003,251 km (0.092 R)
• M10: 27,750,704 km (0.087 R)
• M11: 28,927,591 km (0.104 R)
• M12: 29,388,950 km (0.076 R)
• M13: 31,965,624 km (0.076 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 578.1

Radius: 4.8

Gravity: 25.09 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 7.91 AU - 7.91 AU

Year: 15356 Days

Day: 20.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,291,334 km

• M1: 61,634 km (0.039 R)
• M2: 235,766 km (0.074 R)
• M3: 609,611 km (0.093 R)
• M4: 831,465 km (0.119 R)
• M5: 1,035,068 km (0.066 R)
• M6: 1,819,559 km (0.095 R)
• M7: 2,108,283 km (0.089 R)
• M8: 3,800,085 km (0.105 R)
• M9: 4,586,222 km (0.06 R)
• M10: 5,584,937 km (0.091 R)
• M11: 8,528,724 km (0.1 R)
• M12: 12,242,192 km (0.038 R)
• M13: 15,775,095 km (0.083 R)
• M14: 19,674,813 km (0.109 R)
• M15: 20,018,888 km (0.088 R)
• M16: 20,985,888 km (0.108 R)
• M17: 24,368,147 km (0.094 R)
• M18: 25,981,560 km (0.025 R)
• M19: 31,480,179 km (0.114 R)
• M20: 32,906,296 km (0.055 R)
• M21: 34,874,106 km (0.11 R)
• M22: 37,705,994 km (0.065 R)
• M23: 38,907,414 km (0.066 R)
• M24: 39,449,557 km (0.078 R)
• M25: 40,548,652 km (0.039 R)
• M26: 41,527,023 km (0.092 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 19,607 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit