🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.5

Radius: 11.3

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.4 AU - 0.64 AU

Year: 250 Days

Day: 11.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,475,299 km

• M1: 142,567 km (0.087 R)
• M2: 527,183 km (0.086 R)
• M3: 959,521 km (0.102 R)
• M4: 1,322,445 km (0.029 R)
• M5: 1,819,110 km (0.081 R)
• M6: 2,397,455 km (0.116 R)
• M7: 2,960,991 km (0.113 R)
• M8: 3,336,033 km (0.081 R)
• M9: 3,947,439 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469

Radius: 12.8

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.61 AU - 0.67 AU

Year: 341 Days

Day: 6 Hours

Environment

Temp: -163 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,475,299 km

• M1: 159,322 km (0.061 R)
• M2: 727,794 km (0.1 R)
• M3: 1,161,328 km (0.083 R)
• M4: 1,617,153 km (0.07 R)
• M5: 2,048,593 km (0.092 R)
• M6: 2,548,998 km (0.108 R)
• M7: 2,991,957 km (0.111 R)
• M8: 3,846,460 km (0.085 R)
• M9: 4,356,888 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.5

Radius: 8.3

Gravity: 9.92 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.69 AU - 0.97 AU

Year: 504 Days

Day: 15 Hours

Environment

Temp: -177 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,475,299 km

• M1: 103,223 km (0.082 R)
• M2: 398,379 km (0.119 R)
• M3: 677,828 km (0.096 R)
• M4: 1,563,747 km (0.098 R)
• M5: 2,021,217 km (0.098 R)
• M6: 2,585,799 km (0.066 R)
• M7: 3,029,207 km (0.052 R)
• M8: 3,548,013 km (0.099 R)
• M9: 4,124,862 km (0.082 R)
• M10: 5,447,457 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.4

Radius: 11.1

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.29 AU - 1.41 AU

Year: 1046 Days

Day: 7 Hours

Environment

Temp: -178 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,475,299 km

• M1: 138,079 km (0.034 R)
• M2: 541,245 km (0.066 R)
• M3: 1,637,947 km (0.106 R)
• M4: 2,084,497 km (0.072 R)
• M5: 2,436,650 km (0.07 R)
• M6: 3,288,460 km (0.071 R)
• M7: 4,224,195 km (0.119 R)
• M8: 4,651,297 km (0.075 R)
• M9: 5,468,401 km (0.108 R)
• M10: 6,033,282 km (0.107 R)
• M11: 7,215,853 km (0.036 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.6

Radius: 13.4

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.66 AU - 2.38 AU

Year: 1915 Days

Day: 10.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,475,299 km

• M1: 167,400 km (0.106 R)
• M2: 1,152,053 km (0.074 R)
• M3: 2,012,391 km (0.108 R)
• M4: 2,777,135 km (0.079 R)
• M5: 4,270,870 km (0.116 R)
• M6: 5,033,669 km (0.083 R)
• M7: 5,791,382 km (0.077 R)
• M8: 6,805,058 km (0.08 R)
• M9: 7,904,751 km (0.102 R)
• M10: 8,650,347 km (0.108 R)
• M11: 9,344,631 km (0.055 R)
• M12: 9,906,371 km (0.076 R)
• M13: 10,809,194 km (0.093 R)
• M14: 12,110,247 km (0.114 R)
• M15: 12,778,800 km (0.099 R)
• M16: 14,977,440 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.7

Radius: 12

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.46 AU - 2.54 AU

Year: 2636 Days

Day: 7.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,475,299 km

• M1: 149,299 km (0.11 R)
• M2: 898,634 km (0.074 R)
• M3: 1,547,141 km (0.066 R)
• M4: 2,312,933 km (0.101 R)
• M5: 2,938,252 km (0.095 R)
• M6: 4,443,356 km (0.092 R)
• M7: 4,833,507 km (0.08 R)
• M8: 5,461,968 km (0.111 R)
• M9: 6,769,453 km (0.067 R)
• M10: 7,557,385 km (0.079 R)
• M11: 11,212,959 km (0.12 R)
• M12: 11,858,174 km (0.104 R)
• M13: 12,613,344 km (0.111 R)
• M14: 15,808,456 km (0.1 R)
• M15: 16,671,636 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 94.7

Radius: 3.2

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 6.32 AU - 8.26 AU

Year: 13126 Days

Day: 24.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,475,299 km

• M1: 56,099 km (0.096 R)
• M2: 705,204 km (0.111 R)
• M3: 2,040,216 km (0.109 R)
• M4: 2,253,842 km (0.113 R)
• M5: 5,534,972 km (0.065 R)
• M6: 7,284,070 km (0.11 R)
• M7: 8,416,376 km (0.059 R)
• M8: 9,328,624 km (0.086 R)
• M9: 9,660,881 km (0.09 R)
• M10: 10,261,068 km (0.048 R)
• M11: 12,210,627 km (0.115 R)
• M12: 20,747,130 km (0.032 R)
• M13: 22,252,833 km (0.087 R)
• M14: 25,160,118 km (0.12 R)
• M15: 26,538,812 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 471.5

Radius: 4.2

Gravity: 26.73 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.84 AU - 9.24 AU

Year: 13807 Days

Day: 24.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 52,475,299 km

• M1: 52,210 km (0.083 R)
• M2: 189,989 km (0.09 R)
• M3: 328,367 km (0.086 R)
• M4: 587,920 km (0.097 R)
• M5: 1,016,817 km (0.064 R)
• M6: 1,629,121 km (0.086 R)
• M7: 2,601,357 km (0.112 R)
• M8: 2,816,778 km (0.052 R)
• M9: 4,308,119 km (0.066 R)
• M10: 4,765,889 km (0.099 R)
• M11: 6,333,675 km (0.071 R)
• M12: 8,869,658 km (0.065 R)
• M13: 12,850,906 km (0.108 R)
• M14: 13,538,607 km (0.076 R)
• M15: 16,463,096 km (0.059 R)
• M16: 17,049,969 km (0.07 R)
• M17: 18,578,260 km (0.032 R)
• M18: 19,053,832 km (0.088 R)
• M19: 21,295,257 km (0.091 R)
• M20: 21,991,785 km (0.028 R)
• M21: 24,643,706 km (0.081 R)
• M22: 29,810,966 km (0.109 R)
• M23: 30,027,135 km (0.065 R)
• M24: 32,933,074 km (0.102 R)
• M25: 36,512,801 km (0.046 R)
• M26: 37,258,546 km (0.105 R)
• M27: 40,211,459 km (0.093 R)
• M28: 45,999,400 km (0.073 R)
• M29: 46,869,013 km (0.102 R)
• M30: 47,307,933 km (0.095 R)
• M31: 48,193,852 km (0.052 R)
• M32: 51,382,081 km (0.094 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: 162 - 19,994 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit