🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.7

Radius: 9.8

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.49 AU - 0.59 AU

Year: 269 Days

Day: 9.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,411,995 km

• M1: 122,221 km (0.07 R)
• M2: 433,385 km (0.106 R)
• M3: 741,706 km (0.106 R)
• M4: 1,056,161 km (0.088 R)
• M5: 1,491,790 km (0.117 R)
• M6: 1,817,165 km (0.094 R)
• M7: 2,135,958 km (0.052 R)
• M8: 2,676,755 km (0.111 R)
• M9: 3,183,143 km (0.118 R)
• M10: 3,529,911 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953

Radius: 10.4

Gravity: 8.81 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.77 AU - 0.99 AU

Year: 560 Days

Day: 7.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,411,995 km

• M1: 129,402 km (0.088 R)
• M2: 497,712 km (0.059 R)
• M3: 835,953 km (0.104 R)
• M4: 1,417,739 km (0.089 R)
• M5: 1,903,483 km (0.095 R)
• M6: 2,274,037 km (0.099 R)
• M7: 2,980,289 km (0.118 R)
• M8: 3,417,863 km (0.028 R)
• M9: 4,422,861 km (0.082 R)
• M10: 4,759,905 km (0.115 R)
• M11: 5,360,241 km (0.091 R)
• M12: 5,857,205 km (0.088 R)
• M13: 6,205,469 km (0.09 R)
• M14: 7,115,473 km (0.104 R)
• M15: 7,534,946 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.6

Radius: 12.2

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.23 AU - 1.49 AU

Year: 1076 Days

Day: 12.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,411,995 km

• M1: 151,692 km (0.057 R)
• M2: 551,119 km (0.071 R)
• M3: 954,584 km (0.064 R)
• M4: 1,573,919 km (0.06 R)
• M5: 2,449,964 km (0.112 R)
• M6: 3,120,163 km (0.11 R)
• M7: 4,351,503 km (0.096 R)
• M8: 5,743,661 km (0.108 R)
• M9: 7,508,467 km (0.104 R)
• M10: 8,069,758 km (0.063 R)
• M11: 8,950,740 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.3

Radius: 12.4

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.64 AU - 1.8 AU

Year: 1530 Days

Day: 5.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 52,411,995 km

• M1: 154,235 km (0.084 R)
• M2: 654,939 km (0.101 R)
• M3: 1,360,892 km (0.061 R)
• M4: 3,914,827 km (0.111 R)
• M5: 4,400,272 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724

Radius: 14.8

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.4 AU - 2.24 AU

Year: 1665 Days

Day: 14.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,411,995 km

• M1: 201,508 km (0.072 R)
• M2: 1,010,534 km (0.07 R)
• M3: 3,061,221 km (0.093 R)
• M4: 4,028,072 km (0.03 R)
• M5: 4,672,689 km (0.108 R)
• M6: 6,267,702 km (0.077 R)
• M7: 8,559,541 km (0.116 R)
• M8: 9,564,839 km (0.077 R)
• M9: 10,473,048 km (0.11 R)
• M10: 11,885,850 km (0.103 R)
• M11: 13,299,699 km (0.118 R)
• M12: 14,388,622 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240

Radius: 10.1

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.51 AU - 3.93 AU

Year: 4866 Days

Day: 13 Hours

Environment

Temp: -209 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,411,995 km

• M1: 125,662 km (0.113 R)
• M2: 534,663 km (0.1 R)
• M3: 858,841 km (0.028 R)
• M4: 1,847,982 km (0.053 R)
• M5: 2,201,482 km (0.114 R)
• M6: 2,947,527 km (0.069 R)
• M7: 3,272,154 km (0.03 R)
• M8: 3,678,163 km (0.107 R)
• M9: 4,201,157 km (0.07 R)
• M10: 4,750,181 km (0.08 R)
• M11: 5,396,294 km (0.049 R)
• M12: 5,938,587 km (0.119 R)
• M13: 7,192,516 km (0.066 R)
• M14: 7,882,013 km (0.114 R)
• M15: 8,752,971 km (0.101 R)
• M16: 9,104,526 km (0.067 R)
• M17: 10,332,426 km (0.113 R)
• M18: 12,093,791 km (0.108 R)
• M19: 12,530,617 km (0.085 R)
• M20: 13,528,584 km (0.101 R)
• M21: 14,973,700 km (0.096 R)
• M22: 16,519,345 km (0.049 R)
• M23: 16,840,681 km (0.088 R)
• M24: 18,799,815 km (0.098 R)
• M25: 19,268,056 km (0.048 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.1

Radius: 14.6

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.89 AU - 5.61 AU

Year: 8159 Days

Day: 14.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 52,411,995 km

• M1: 182,210 km (0.075 R)
• M2: 941,569 km (0.083 R)
• M3: 1,608,626 km (0.057 R)
• M4: 2,815,881 km (0.085 R)
• M5: 3,651,684 km (0.05 R)
• M6: 4,424,058 km (0.102 R)
• M7: 5,027,984 km (0.084 R)
• M8: 5,752,188 km (0.035 R)
• M9: 7,101,112 km (0.092 R)
• M10: 9,185,608 km (0.098 R)
• M11: 10,076,015 km (0.068 R)
• M12: 11,282,073 km (0.102 R)
• M13: 14,284,801 km (0.074 R)
• M14: 15,223,229 km (0.118 R)
• M15: 16,135,926 km (0.116 R)
• M16: 18,945,523 km (0.082 R)
• M17: 19,620,060 km (0.043 R)
• M18: 20,544,276 km (0.108 R)
• M19: 22,730,050 km (0.084 R)
• M20: 23,321,261 km (0.043 R)
• M21: 25,516,610 km (0.111 R)
• M22: 28,915,623 km (0.076 R)
• M23: 32,605,754 km (0.055 R)
• M24: 34,342,286 km (0.093 R)
• M25: 35,911,866 km (0.114 R)
• M26: 36,598,969 km (0.088 R)
• M27: 41,656,873 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 236.1

Radius: 3.8

Gravity: 16.35 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 5.18 AU - 8.28 AU

Year: 11842 Days

Day: 20.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 52,411,995 km

• M1: 61,335 km (0.106 R)
• M2: 262,694 km (0.043 R)
• M3: 400,174 km (0.116 R)
• M4: 534,812 km (0.078 R)
• M5: 1,002,007 km (0.086 R)
• M6: 1,301,501 km (0.114 R)
• M7: 1,576,612 km (0.11 R)
• M8: 2,487,962 km (0.033 R)
• M9: 3,470,820 km (0.118 R)
• M10: 3,898,221 km (0.105 R)
• M11: 4,150,443 km (0.089 R)
• M12: 4,413,287 km (0.113 R)
• M13: 6,787,405 km (0.106 R)
• M14: 7,115,174 km (0.112 R)
• M15: 10,175,348 km (0.12 R)
• M16: 12,550,813 km (0.075 R)
• M17: 13,267,686 km (0.05 R)
• M18: 14,245,906 km (0.11 R)
• M19: 17,467,496 km (0.076 R)
• M20: 17,670,800 km (0.119 R)
• M21: 18,640,792 km (0.085 R)
• M22: 19,792,097 km (0.079 R)
• M23: 24,194,314 km (0.084 R)
• M24: 25,129,450 km (0.116 R)
• M25: 32,359,964 km (0.113 R)
• M26: 34,975,833 km (0.119 R)
• M27: 35,515,432 km (0.112 R)
• M28: 37,279,341 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 78.5

Radius: 7.2

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 6.48 AU - 7.36 AU

Year: 12347 Days

Day: 22.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,411,995 km

• M1: 94,995 km (0.077 R)
• M2: 340,485 km (0.045 R)
• M3: 981,212 km (0.053 R)
• M4: 1,566,589 km (0.104 R)
• M5: 2,506,961 km (0.087 R)
• M6: 3,508,519 km (0.108 R)
• M7: 5,829,231 km (0.062 R)
• M8: 7,457,603 km (0.074 R)
• M9: 8,014,257 km (0.1 R)
• M10: 8,523,787 km (0.111 R)
• M11: 11,266,216 km (0.036 R)
• M12: 13,508,089 km (0.077 R)
• M13: 18,600,850 km (0.107 R)
• M14: 19,235,444 km (0.113 R)
• M15: 19,884,399 km (0.08 R)
• M16: 20,615,035 km (0.059 R)
• M17: 24,162,898 km (0.106 R)
• M18: 24,463,291 km (0.081 R)
• M19: 25,379,129 km (0.104 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 582.4

Radius: 7.1

Gravity: 11.55 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 5.6 AU - 8.28 AU

Year: 12400 Days

Day: 21.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,411,995 km

• M1: 120,426 km (0.057 R)
• M2: 684,261 km (0.101 R)
• M3: 1,835,117 km (0.097 R)
• M4: 3,590,050 km (0.104 R)
• M5: 4,888,110 km (0.119 R)
• M6: 5,417,388 km (0.084 R)
• M7: 6,668,026 km (0.092 R)
• M8: 7,834,141 km (0.117 R)
• M9: 8,055,845 km (0.12 R)
• M10: 17,426,955 km (0.109 R)
• M11: 18,344,738 km (0.085 R)
• M12: 20,027,714 km (0.116 R)
• M13: 20,610,847 km (0.041 R)
• M14: 21,898,585 km (0.087 R)
• M15: 22,966,564 km (0.106 R)
• M16: 26,978,630 km (0.049 R)
• M17: 29,149,594 km (0.063 R)
• M18: 32,792,003 km (0.083 R)
• M19: 33,022,084 km (0.108 R)
• M20: 34,306,532 km (0.095 R)
• M21: 39,000,314 km (0.093 R)
• M22: 42,720,664 km (0.071 R)
• M23: 44,949,373 km (0.092 R)
• M24: 45,233,310 km (0.074 R)
• M25: 50,550,916 km (0.049 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: 351 - 18,274 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit