🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.5

Radius: 11.4

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.81 AU - 0.99 AU

Year: 600 Days

Day: 14 Hours

Environment

Temp: -173 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 86,478,251 km

• M1: 141,819 km (0.044 R)
• M2: 524,640 km (0.092 R)
• M3: 947,703 km (0.102 R)
• M4: 1,316,611 km (0.084 R)
• M5: 1,688,212 km (0.119 R)
• M6: 2,085,095 km (0.116 R)
• M7: 2,544,809 km (0.115 R)
• M8: 3,047,757 km (0.064 R)
• M9: 3,510,464 km (0.071 R)
• M10: 4,077,739 km (0.084 R)
• M11: 4,818,697 km (0.09 R)
• M12: 5,414,097 km (0.101 R)
• M13: 5,868,874 km (0.105 R)
• M14: 6,349,083 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.7

Radius: 9.4

Gravity: 11.11 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.46 AU - 2.38 AU

Year: 1870 Days

Day: 6.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 86,478,251 km

• M1: 116,986 km (0.069 R)
• M2: 414,835 km (0.067 R)
• M3: 942,766 km (0.053 R)
• M4: 1,274,574 km (0.113 R)
• M5: 2,132,218 km (0.11 R)
• M6: 2,927,630 km (0.11 R)
• M7: 3,333,938 km (0.036 R)
• M8: 3,777,795 km (0.116 R)
• M9: 4,590,859 km (0.091 R)
• M10: 4,893,795 km (0.069 R)
• M11: 5,564,293 km (0.066 R)
• M12: 7,173,367 km (0.114 R)
• M13: 8,416,077 km (0.065 R)
• M14: 8,871,603 km (0.116 R)
• M15: 9,832,021 km (0.038 R)
• M16: 12,244,586 km (0.071 R)
• M17: 13,346,374 km (0.029 R)
• M18: 14,559,314 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.8

Radius: 8.2

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.81 AU - 2.27 AU

Year: 2048 Days

Day: 6.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 86,478,251 km

• M1: 102,026 km (0.066 R)
• M2: 376,538 km (0.118 R)
• M3: 752,926 km (0.076 R)
• M4: 1,025,344 km (0.071 R)
• M5: 1,299,258 km (0.104 R)
• M6: 2,111,125 km (0.084 R)
• M7: 2,446,673 km (0.109 R)
• M8: 2,916,261 km (0.113 R)
• M9: 4,179,166 km (0.101 R)
• M10: 4,871,206 km (0.117 R)
• M11: 5,395,247 km (0.097 R)
• M12: 5,795,422 km (0.118 R)
• M13: 6,096,712 km (0.107 R)
• M14: 6,857,417 km (0.091 R)
• M15: 7,902,657 km (0.071 R)
• M16: 8,158,170 km (0.1 R)
• M17: 10,271,988 km (0.074 R)
• M18: 12,154,378 km (0.107 R)
• M19: 13,196,776 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.1

Radius: 9.9

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.11 AU - 2.13 AU

Year: 2170 Days

Day: 5.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,478,251 km

• M1: 123,867 km (0.057 R)
• M2: 601,533 km (0.065 R)
• M3: 931,097 km (0.088 R)
• M4: 1,421,329 km (0.095 R)
• M5: 2,113,668 km (0.075 R)
• M6: 2,550,644 km (0.084 R)
• M7: 3,141,705 km (0.098 R)
• M8: 3,453,168 km (0.102 R)
• M9: 4,827,074 km (0.107 R)
• M10: 5,975,537 km (0.109 R)
• M11: 6,881,652 km (0.109 R)
• M12: 7,612,288 km (0.092 R)
• M13: 7,936,466 km (0.056 R)
• M14: 9,293,917 km (0.059 R)
• M15: 10,221,873 km (0.058 R)
• M16: 10,837,019 km (0.074 R)
• M17: 11,864,607 km (0.116 R)
• M18: 12,544,081 km (0.12 R)
• M19: 14,068,633 km (0.05 R)
• M20: 15,337,073 km (0.118 R)

Asteroid Belt

Center: 3.75 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.3

Radius: 11.8

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 4.08 AU - 6.66 AU

Year: 8747 Days

Day: 10.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 86,478,251 km

• M1: 146,756 km (0.063 R)
• M2: 690,544 km (0.108 R)
• M3: 1,374,206 km (0.09 R)
• M4: 1,974,841 km (0.094 R)
• M5: 2,345,395 km (0.11 R)
• M6: 2,980,887 km (0.048 R)
• M7: 4,827,224 km (0.075 R)
• M8: 5,395,995 km (0.085 R)
• M9: 6,798,625 km (0.118 R)
• M10: 8,092,946 km (0.05 R)
• M11: 8,623,420 km (0.09 R)
• M12: 9,096,448 km (0.034 R)
• M13: 9,923,276 km (0.061 R)
• M14: 11,072,337 km (0.107 R)
• M15: 12,357,383 km (0.057 R)
• M16: 13,423,716 km (0.118 R)
• M17: 14,006,400 km (0.114 R)
• M18: 22,819,958 km (0.076 R)
• M19: 24,657,469 km (0.084 R)
• M20: 25,692,985 km (0.088 R)
• M21: 27,090,529 km (0.041 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 798.5

Radius: 7.5

Gravity: 14.2 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 5.51 AU - 7.49 AU

Year: 11649 Days

Day: 15.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 136.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 86,478,251 km

• M1: 93,349 km (0.082 R)
• M2: 339,138 km (0.101 R)
• M3: 1,073,215 km (0.118 R)
• M4: 1,330,374 km (0.097 R)
• M5: 1,706,463 km (0.116 R)
• M6: 2,096,913 km (0.083 R)
• M7: 2,382,795 km (0.111 R)
• M8: 3,426,090 km (0.075 R)
• M9: 4,714,427 km (0.034 R)
• M10: 7,359,617 km (0.054 R)
• M11: 7,620,516 km (0.073 R)
• M12: 8,872,799 km (0.086 R)
• M13: 10,418,744 km (0.073 R)
• M14: 10,692,957 km (0.107 R)
• M15: 10,971,807 km (0.044 R)
• M16: 15,546,959 km (0.049 R)
• M17: 19,299,472 km (0.077 R)
• M18: 19,547,206 km (0.079 R)
• M19: 21,516,811 km (0.085 R)
• M20: 31,287,198 km (0.092 R)
• M21: 36,304,411 km (0.1 R)
• M22: 38,218,815 km (0.066 R)
• M23: 39,399,142 km (0.104 R)
• M24: 39,797,970 km (0.083 R)
• M25: 43,367,974 km (0.088 R)
• M26: 43,935,548 km (0.068 R)
• M27: 51,453,440 km (0.113 R)
• M28: 51,770,737 km (0.086 R)
• M29: 53,377,268 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 938.1

Radius: 3.6

Gravity: 72.38 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 6.54 AU - 7.96 AU

Year: 13722 Days

Day: 22.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 92.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 86,478,251 km

• M1: 44,730 km (0.059 R)
• M2: 179,368 km (0.082 R)
• M3: 313,856 km (0.091 R)
• M4: 495,319 km (0.069 R)
• M5: 823,237 km (0.114 R)
• M6: 1,022,651 km (0.109 R)
• M7: 1,533,528 km (0.081 R)
• M8: 2,426,777 km (0.105 R)
• M9: 2,626,490 km (0.1 R)
• M10: 3,058,528 km (0.104 R)
• M11: 3,238,794 km (0.095 R)
• M12: 3,911,236 km (0.082 R)
• M13: 6,030,290 km (0.036 R)
• M14: 9,879,294 km (0.096 R)
• M15: 12,145,253 km (0.111 R)
• M16: 12,860,779 km (0.106 R)
• M17: 13,466,651 km (0.109 R)
• M18: 14,375,159 km (0.106 R)
• M19: 16,704,846 km (0.043 R)
• M20: 16,942,856 km (0.062 R)
• M21: 17,183,111 km (0.109 R)
• M22: 20,156,368 km (0.108 R)
• M23: 21,435,879 km (0.067 R)
• M24: 23,953,761 km (0.057 R)
• M25: 24,766,526 km (0.105 R)
• M26: 26,019,707 km (0.118 R)
• M27: 28,089,543 km (0.116 R)
• M28: 28,426,139 km (0.096 R)
• M29: 28,992,965 km (0.09 R)
• M30: 29,107,258 km (0.099 R)
• M31: 35,211,748 km (0.068 R)
• M32: 38,699,174 km (0.093 R)
• M33: 42,116,438 km (0.04 R)
• M34: 42,557,153 km (0.106 R)
• M35: 43,747,653 km (0.119 R)
• M36: 43,897,999 km (0.082 R)
• M37: 44,502,823 km (0.109 R)
• M38: 44,807,405 km (0.104 R)
• M39: 47,135,596 km (0.092 R)
• M40: 53,908,341 km (0.091 R)
• M41: 55,125,918 km (0.117 R)
• M42: 57,255,443 km (0.092 R)
• M43: 60,179,483 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 996

Radius: 5.3

Gravity: 35.46 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 7.48 AU - 11.22 AU

Year: 20097 Days

Day: 15.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 86,478,251 km

• M1: 78,838 km (0.114 R)
• M2: 255,812 km (0.119 R)
• M3: 475,721 km (0.111 R)
• M4: 658,679 km (0.117 R)
• M5: 1,567,187 km (0.048 R)
• M6: 4,696,176 km (0.106 R)
• M7: 5,391,507 km (0.114 R)
• M8: 7,327,005 km (0.072 R)
• M9: 7,835,637 km (0.086 R)
• M10: 9,682,273 km (0.072 R)
• M11: 11,732,063 km (0.085 R)
• M12: 13,447,203 km (0.072 R)
• M13: 14,054,271 km (0.066 R)
• M14: 15,079,316 km (0.099 R)
• M15: 17,813,217 km (0.116 R)
• M16: 18,268,294 km (0.104 R)
• M17: 20,362,813 km (0.049 R)
• M18: 22,296,366 km (0.12 R)
• M19: 27,718,989 km (0.109 R)
• M20: 28,084,457 km (0.091 R)
• M21: 34,658,087 km (0.119 R)
• M22: 35,366,881 km (0.066 R)
• M23: 36,375,470 km (0.081 R)
• M24: 37,700,159 km (0.077 R)
• M25: 37,998,906 km (0.041 R)
• M26: 39,209,452 km (0.115 R)
• M27: 42,832,563 km (0.048 R)
• M28: 43,157,789 km (0.115 R)
• M29: 44,309,094 km (0.111 R)
• M30: 47,710,950 km (0.118 R)
• M31: 48,060,410 km (0.086 R)
• M32: 58,154,078 km (0.079 R)
• M33: 59,355,947 km (0.104 R)
• M34: 60,983,871 km (0.054 R)
• M35: 63,060,439 km (0.056 R)
• M36: 73,686,825 km (0.029 R)
• M37: 77,960,537 km (0.125 R)
• M38: 78,202,586 km (0.093 R)
• M39: 79,420,911 km (0.181 R)
• M40: 84,676,284 km (0.038 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 211 - 14,269 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit