🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.7

Radius: 10.8

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.75 AU - 1.15 AU

Year: 598 Days

Day: 9.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 147.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,825,026 km

• M1: 134,339 km (0.039 R)
• M2: 481,855 km (0.105 R)
• M3: 904,469 km (0.084 R)
• M4: 1,251,087 km (0.119 R)
• M5: 1,616,854 km (0.101 R)
• M6: 2,178,743 km (0.103 R)
• M7: 2,538,676 km (0.109 R)
• M8: 3,110,289 km (0.031 R)
• M9: 3,809,061 km (0.113 R)
• M10: 4,242,446 km (0.102 R)
• M11: 4,625,865 km (0.086 R)
• M12: 5,173,094 km (0.083 R)
• M13: 5,611,566 km (0.044 R)
• M14: 6,295,527 km (0.099 R)
• M15: 6,925,185 km (0.111 R)
• M16: 7,971,622 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.2

Radius: 12.2

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.19 AU - 1.81 AU

Year: 1186 Days

Day: 11.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,825,026 km

• M1: 151,692 km (0.088 R)
• M2: 559,197 km (0.088 R)
• M3: 1,105,079 km (0.118 R)
• M4: 1,802,804 km (0.101 R)
• M5: 2,448,917 km (0.025 R)
• M6: 3,017,838 km (0.116 R)
• M7: 3,468,875 km (0.068 R)
• M8: 3,871,294 km (0.076 R)
• M9: 4,879,434 km (0.092 R)
• M10: 5,484,557 km (0.079 R)
• M11: 6,731,904 km (0.107 R)
• M12: 7,147,936 km (0.084 R)
• M13: 7,679,607 km (0.071 R)
• M14: 8,134,235 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.8

Radius: 14.1

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.45 AU - 2.09 AU

Year: 1520 Days

Day: 5.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,825,026 km

• M1: 175,329 km (0.054 R)
• M2: 803,789 km (0.08 R)
• M3: 1,362,837 km (0.052 R)
• M4: 2,376,661 km (0.094 R)
• M5: 3,125,100 km (0.084 R)
• M6: 3,673,825 km (0.097 R)
• M7: 4,248,879 km (0.084 R)
• M8: 5,400,782 km (0.029 R)
• M9: 5,859,599 km (0.025 R)
• M10: 8,021,288 km (0.084 R)
• M11: 8,713,178 km (0.084 R)
• M12: 11,103,304 km (0.096 R)
• M13: 11,659,508 km (0.097 R)
• M14: 12,588,062 km (0.056 R)
• M15: 13,691,048 km (0.089 R)
• M16: 14,418,093 km (0.096 R)
• M17: 14,946,622 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.6

Radius: 12.5

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.25 AU - 2.35 AU

Year: 2252 Days

Day: 5.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,825,026 km

• M1: 155,432 km (0.095 R)
• M2: 640,578 km (0.105 R)
• M3: 1,104,930 km (0.117 R)
• M4: 1,646,773 km (0.115 R)
• M5: 2,084,198 km (0.059 R)
• M6: 3,137,367 km (0.119 R)
• M7: 5,188,653 km (0.036 R)
• M8: 7,023,620 km (0.12 R)
• M9: 8,903,616 km (0.104 R)
• M10: 10,626,236 km (0.094 R)
• M11: 11,853,238 km (0.04 R)
• M12: 14,104,985 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.7

Radius: 13.3

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 4.27 AU - 5.11 AU

Year: 6558 Days

Day: 14.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,825,026 km

• M1: 169,046 km (0.061 R)
• M2: 866,172 km (0.059 R)
• M3: 1,665,772 km (0.073 R)
• M4: 2,637,111 km (0.068 R)
• M5: 3,980,799 km (0.115 R)
• M6: 4,915,786 km (0.066 R)
• M7: 6,758,383 km (0.064 R)
• M8: 7,256,245 km (0.094 R)
• M9: 8,010,068 km (0.114 R)
• M10: 9,541,801 km (0.101 R)
• M11: 10,682,186 km (0.108 R)
• M12: 11,162,993 km (0.104 R)
• M13: 12,376,531 km (0.109 R)
• M14: 13,015,314 km (0.09 R)
• M15: 14,417,046 km (0.044 R)
• M16: 16,103,762 km (0.09 R)
• M17: 18,530,090 km (0.081 R)
• M18: 20,083,215 km (0.035 R)
• M19: 24,758,747 km (0.089 R)
• M20: 25,432,536 km (0.093 R)
• M21: 29,546,477 km (0.06 R)
• M22: 30,496,274 km (0.106 R)
• M23: 31,270,742 km (0.063 R)
• M24: 32,157,409 km (0.104 R)
• M25: 34,084,528 km (0.072 R)
• M26: 35,766,308 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.8

Radius: 10.2

Gravity: 8.95 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 4.22 AU - 5.88 AU

Year: 7327 Days

Day: 9.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 50,825,026 km

• M1: 164,857 km (0.045 R)
• M2: 729,140 km (0.107 R)
• M3: 1,081,443 km (0.096 R)
• M4: 1,773,483 km (0.059 R)
• M5: 2,698,746 km (0.056 R)
• M6: 3,291,752 km (0.107 R)
• M7: 5,345,132 km (0.092 R)
• M8: 6,072,327 km (0.083 R)
• M9: 6,424,032 km (0.119 R)
• M10: 7,402,701 km (0.118 R)
• M11: 8,434,777 km (0.052 R)
• M12: 8,873,547 km (0.068 R)
• M13: 10,530,194 km (0.101 R)
• M14: 11,564,663 km (0.114 R)
• M15: 12,893,840 km (0.109 R)
• M16: 13,241,506 km (0.06 R)
• M17: 14,695,148 km (0.106 R)
• M18: 15,202,584 km (0.085 R)
• M19: 16,185,442 km (0.095 R)
• M20: 17,490,684 km (0.03 R)
• M21: 18,643,036 km (0.088 R)
• M22: 19,088,090 km (0.032 R)
• M23: 19,540,025 km (0.115 R)
• M24: 28,069,348 km (0.036 R)
• M25: 29,346,764 km (0.066 R)
• M26: 29,949,195 km (0.108 R)
• M27: 39,151,408 km (0.083 R)
• M28: 40,869,241 km (0.12 R)
• M29: 41,873,042 km (0.049 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791

Radius: 9.2

Gravity: 9.35 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 4.44 AU - 6.66 AU

Year: 8442 Days

Day: 7 Hours

Environment

Temp: -229 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 50,825,026 km

• M1: 115,190 km (0.032 R)
• M2: 565,929 km (0.107 R)
• M3: 1,324,091 km (0.071 R)
• M4: 1,829,283 km (0.114 R)
• M5: 2,118,904 km (0.112 R)
• M6: 2,515,189 km (0.083 R)
• M7: 3,157,413 km (0.109 R)
• M8: 3,529,612 km (0.081 R)
• M9: 4,418,822 km (0.063 R)
• M10: 5,131,656 km (0.09 R)
• M11: 6,092,822 km (0.113 R)
• M12: 6,709,614 km (0.1 R)
• M13: 7,732,564 km (0.101 R)
• M14: 8,152,635 km (0.074 R)
• M15: 12,878,881 km (0.084 R)
• M16: 14,016,872 km (0.083 R)
• M17: 19,092,129 km (0.083 R)
• M18: 21,213,427 km (0.101 R)
• M19: 21,954,236 km (0.111 R)
• M20: 22,968,509 km (0.096 R)
• M21: 23,661,895 km (0.107 R)
• M22: 25,181,660 km (0.081 R)
• M23: 25,733,227 km (0.083 R)
• M24: 26,860,447 km (0.097 R)
• M25: 34,663,173 km (0.105 R)
• M26: 35,805,802 km (0.042 R)
• M27: 39,384,332 km (0.08 R)
• M28: 39,878,753 km (0.113 R)
• M29: 43,063,542 km (0.054 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 715.4

Radius: 7.2

Gravity: 13.8 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 6.57 AU - 8.41 AU

Year: 13235 Days

Day: 18.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 50,825,026 km

• M1: 90,507 km (0.066 R)
• M2: 408,701 km (0.059 R)
• M3: 765,193 km (0.103 R)
• M4: 1,320,201 km (0.047 R)
• M5: 1,936,544 km (0.095 R)
• M6: 2,250,999 km (0.095 R)
• M7: 2,730,460 km (0.042 R)
• M8: 3,030,554 km (0.107 R)
• M9: 3,352,488 km (0.063 R)
• M10: 5,603,338 km (0.1 R)
• M11: 5,861,693 km (0.104 R)
• M12: 7,583,415 km (0.045 R)
• M13: 8,705,698 km (0.107 R)
• M14: 11,868,497 km (0.116 R)
• M15: 14,243,512 km (0.079 R)
• M16: 14,795,828 km (0.097 R)
• M17: 15,290,698 km (0.075 R)
• M18: 15,578,374 km (0.062 R)
• M19: 18,011,883 km (0.085 R)
• M20: 18,903,785 km (0.092 R)
• M21: 21,665,661 km (0.115 R)
• M22: 25,081,429 km (0.103 R)
• M23: 27,548,149 km (0.088 R)
• M24: 38,634,847 km (0.087 R)
• M25: 39,303,250 km (0.119 R)
• M26: 44,491,155 km (0.115 R)
• M27: 44,783,918 km (0.06 R)
• M28: 47,629,568 km (0.099 R)
• M29: 48,397,903 km (0.078 R)
• M30: 52,690,764 km (0.075 R)
• M31: 53,678,110 km (0.117 R)
• M32: 57,230,760 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 256.4

Radius: 5.2

Gravity: 9.48 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 6.65 AU - 10.59 AU

Year: 16341 Days

Day: 17.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,825,026 km

• M1: 66,421 km (0.114 R)
• M2: 602,580 km (0.094 R)
• M3: 839,693 km (0.091 R)
• M4: 1,092,962 km (0.114 R)
• M5: 1,293,423 km (0.104 R)
• M6: 1,490,444 km (0.039 R)
• M7: 1,677,441 km (0.076 R)
• M8: 1,863,989 km (0.099 R)
• M9: 2,152,115 km (0.117 R)
• M10: 2,817,227 km (0.094 R)
• M11: 3,014,247 km (0.084 R)
• M12: 4,845,774 km (0.036 R)
• M13: 5,291,725 km (0.074 R)
• M14: 5,558,608 km (0.115 R)
• M15: 5,940,083 km (0.094 R)
• M16: 9,844,288 km (0.106 R)
• M17: 11,197,401 km (0.088 R)
• M18: 12,203,745 km (0.058 R)
• M19: 14,653,411 km (0.082 R)
• M20: 15,650,780 km (0.059 R)
• M21: 21,491,529 km (0.081 R)
• M22: 22,256,722 km (0.098 R)
• M23: 22,951,904 km (0.113 R)
• M24: 25,405,458 km (0.117 R)
• M25: 27,828,046 km (0.032 R)
• M26: 31,363,792 km (0.07 R)
• M27: 33,918,475 km (0.114 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 165.4

Radius: 7.5

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 10.19 AU - 10.97 AU

Year: 22220 Days

Day: 15 Hours

Environment

Temp: -233 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,825,026 km

• M1: 93,349 km (0.064 R)
• M2: 694,583 km (0.089 R)
• M3: 1,194,988 km (0.057 R)
• M4: 4,654,887 km (0.093 R)
• M5: 5,916,895 km (0.095 R)
• M6: 7,392,379 km (0.11 R)
• M7: 9,687,659 km (0.068 R)
• M8: 10,249,848 km (0.07 R)
• M9: 14,744,815 km (0.051 R)
• M10: 16,115,431 km (0.108 R)
• M11: 18,327,534 km (0.104 R)
• M12: 20,402,008 km (0.098 R)
• M13: 21,926,710 km (0.06 R)
• M14: 23,983,381 km (0.11 R)
• M15: 38,829,623 km (0.117 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 198 - 15,620 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit