🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.12 AU - 1.56 AU

Year: 708 Days

Day: 22 Hours

Environment

Temp: -106 °C

Axial Tilt: 1.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 70,570,515 km

• M1: 901,477 km (0.053 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.44 AU - 1.44 AU

Year: 789 Days

Day: 26.1 Hours

Environment

Temp: -97 °C

Axial Tilt: 19.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.81 AU - 2.31 AU

Year: 1350 Days

Day: 33.9 Hours

Environment

Temp: -135 °C

Axial Tilt: 32 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.03 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666

Radius: 8.2

Gravity: 9.9 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.28 AU - 4.72 AU

Year: 3653 Days

Day: 11.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,570,515 km

• M1: 102,026 km (0.098 R)
• M2: 384,616 km (0.109 R)
• M3: 728,542 km (0.109 R)
• M4: 1,026,690 km (0.116 R)
• M5: 2,626,490 km (0.084 R)
• M6: 3,050,301 km (0.098 R)
• M7: 4,840,688 km (0.049 R)
• M8: 5,860,347 km (0.108 R)
• M9: 7,111,733 km (0.064 R)
• M10: 7,970,425 km (0.1 R)
• M11: 8,460,657 km (0.058 R)
• M12: 8,933,686 km (0.092 R)
• M13: 10,583,301 km (0.033 R)
• M14: 11,789,808 km (0.096 R)
• M15: 12,105,310 km (0.06 R)
• M16: 12,426,347 km (0.098 R)
• M17: 13,278,157 km (0.115 R)
• M18: 14,783,710 km (0.051 R)
• M19: 15,739,790 km (0.087 R)
• M20: 16,177,663 km (0.066 R)
• M21: 16,736,411 km (0.108 R)
• M22: 19,788,358 km (0.11 R)
• M23: 20,621,917 km (0.064 R)
• M24: 21,080,285 km (0.074 R)
• M25: 21,881,980 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.2

Radius: 9.9

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 5.15 AU - 6.69 AU

Year: 6576 Days

Day: 11.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 70,570,515 km

• M1: 123,119 km (0.104 R)
• M2: 432,338 km (0.095 R)
• M3: 819,946 km (0.078 R)
• M4: 1,243,607 km (0.096 R)
• M5: 1,811,331 km (0.079 R)
• M6: 2,526,858 km (0.118 R)
• M7: 3,008,712 km (0.102 R)
• M8: 3,420,406 km (0.099 R)
• M9: 3,776,598 km (0.101 R)
• M10: 4,256,658 km (0.056 R)
• M11: 7,661,954 km (0.108 R)
• M12: 8,157,572 km (0.036 R)
• M13: 8,879,082 km (0.111 R)
• M14: 9,383,227 km (0.082 R)
• M15: 9,729,995 km (0.059 R)
• M16: 10,175,348 km (0.083 R)
• M17: 10,680,839 km (0.082 R)
• M18: 12,766,981 km (0.086 R)
• M19: 13,301,195 km (0.093 R)
• M20: 13,961,820 km (0.1 R)
• M21: 16,014,003 km (0.116 R)
• M22: 17,663,170 km (0.083 R)
• M23: 18,596,661 km (0.119 R)
• M24: 19,213,902 km (0.102 R)
• M25: 21,147,903 km (0.087 R)
• M26: 26,673,899 km (0.048 R)
• M27: 27,283,211 km (0.08 R)
• M28: 28,349,395 km (0.11 R)
• M29: 33,593,548 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.3

Radius: 11.1

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 6.63 AU - 9.77 AU

Year: 10721 Days

Day: 14.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,570,515 km

• M1: 169,494 km (0.117 R)
• M2: 609,761 km (0.076 R)
• M3: 2,680,495 km (0.114 R)
• M4: 4,750,780 km (0.049 R)
• M5: 5,414,246 km (0.053 R)
• M6: 5,957,885 km (0.107 R)
• M7: 6,619,706 km (0.053 R)
• M8: 12,915,831 km (0.032 R)
• M9: 15,340,065 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.9

Radius: 12.9

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 7.23 AU - 9.33 AU

Year: 10878 Days

Day: 11.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,570,515 km

• M1: 162,164 km (0.067 R)
• M2: 688,001 km (0.103 R)
• M3: 1,167,312 km (0.118 R)
• M4: 2,342,553 km (0.117 R)
• M5: 2,931,370 km (0.079 R)
• M6: 3,499,992 km (0.049 R)
• M7: 4,659,076 km (0.117 R)
• M8: 5,857,804 km (0.062 R)
• M9: 8,425,801 km (0.089 R)
• M10: 9,215,229 km (0.091 R)
• M11: 12,371,744 km (0.076 R)
• M12: 12,874,991 km (0.117 R)
• M13: 19,129,080 km (0.114 R)
• M14: 20,260,937 km (0.073 R)
• M15: 21,436,776 km (0.112 R)
• M16: 24,357,077 km (0.07 R)
• M17: 24,971,475 km (0.075 R)
• M18: 25,506,437 km (0.068 R)
• M19: 34,474,829 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 193.8

Radius: 4.2

Gravity: 10.99 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 10.84 AU - 12.18 AU

Year: 17828 Days

Day: 24.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,570,515 km

• M1: 54,154 km (0.108 R)
• M2: 800,648 km (0.117 R)
• M3: 1,191,098 km (0.118 R)
• M4: 1,624,034 km (0.04 R)
• M5: 1,900,940 km (0.073 R)
• M6: 2,244,566 km (0.079 R)
• M7: 3,650,188 km (0.117 R)
• M8: 4,639,030 km (0.108 R)
• M9: 5,623,534 km (0.099 R)
• M10: 5,898,644 km (0.11 R)
• M11: 13,520,506 km (0.059 R)
• M12: 14,841,306 km (0.029 R)
• M13: 17,015,561 km (0.094 R)
• M14: 18,477,132 km (0.054 R)
• M15: 18,703,474 km (0.111 R)
• M16: 19,084,500 km (0.055 R)
• M17: 20,499,546 km (0.07 R)
• M18: 22,322,246 km (0.091 R)
• M19: 25,533,065 km (0.073 R)
• M20: 25,907,808 km (0.099 R)
• M21: 30,274,869 km (0.074 R)
• M22: 31,977,143 km (0.073 R)
• M23: 34,080,190 km (0.082 R)
• M24: 34,534,369 km (0.051 R)
• M25: 40,811,646 km (0.03 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 519.3

Radius: 4.2

Gravity: 29.44 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 11.45 AU - 13.83 AU

Year: 20517 Days

Day: 21 Hours

Environment

Temp: -203 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 70,570,515 km

• M1: 57,446 km (0.071 R)
• M2: 203,603 km (0.066 R)
• M3: 374,743 km (0.053 R)
• M4: 513,420 km (0.119 R)
• M5: 910,153 km (0.041 R)
• M6: 2,873,027 km (0.12 R)
• M7: 3,509,566 km (0.074 R)
• M8: 4,014,010 km (0.038 R)
• M9: 4,398,327 km (0.108 R)
• M10: 5,019,906 km (0.118 R)
• M11: 5,351,714 km (0.1 R)
• M12: 6,059,312 km (0.036 R)
• M13: 6,871,479 km (0.064 R)
• M14: 8,657,079 km (0.054 R)
• M15: 9,134,147 km (0.061 R)
• M16: 9,516,968 km (0.104 R)
• M17: 10,432,357 km (0.051 R)
• M18: 14,535,228 km (0.102 R)
• M19: 19,687,678 km (0.116 R)
• M20: 20,977,960 km (0.091 R)
• M21: 22,030,381 km (0.116 R)
• M22: 30,280,703 km (0.102 R)
• M23: 39,218,877 km (0.117 R)
• M24: 47,944,771 km (0.081 R)
• M25: 55,502,904 km (0.027 R)
• M26: 56,591,379 km (0.04 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 417 - 18,609 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit