🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.87 AU - 0.93 AU

Year: 329 Days

Day: 44.9 Hours

Environment

Temp: 18 °C

Axial Tilt: 6.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 50,363,295 km

• M1: 59,989 km (0.08 R)
• M2: 439,818 km (0.108 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.64 AU - 2.44 AU

Year: 1122 Days

Day: 47.8 Hours

Environment

Temp: -79 °C

Axial Tilt: 59.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 50,363,295 km

• M1: 38,447 km (0.088 R)
• M2: 622,926 km (0.052 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.06 AU - 2.3 AU

Year: 1239 Days

Day: 23.8 Hours

Environment

Temp: -88 °C

Axial Tilt: 31.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.1

Radius: 13.8

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 6.88 AU - 8.26 AU

Year: 8019 Days

Day: 9.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,363,295 km

• M1: 171,589 km (0.097 R)
• M2: 760,855 km (0.114 R)
• M3: 1,608,925 km (0.118 R)
• M4: 2,301,114 km (0.096 R)
• M5: 3,925,747 km (0.118 R)
• M6: 4,940,021 km (0.084 R)
• M7: 5,479,920 km (0.079 R)
• M8: 6,445,723 km (0.047 R)
• M9: 7,127,142 km (0.065 R)
• M10: 7,931,829 km (0.074 R)
• M11: 8,836,896 km (0.063 R)
• M12: 9,506,496 km (0.114 R)
• M13: 14,772,341 km (0.047 R)
• M14: 15,476,797 km (0.095 R)
• M15: 17,143,916 km (0.059 R)
• M16: 19,202,532 km (0.112 R)
• M17: 22,171,751 km (0.098 R)
• M18: 22,630,717 km (0.063 R)
• M19: 25,268,726 km (0.108 R)
• M20: 27,839,565 km (0.12 R)
• M21: 28,373,779 km (0.093 R)
• M22: 31,821,711 km (0.072 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 529.9

Radius: 4.3

Gravity: 28.66 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 12.73 AU - 17.05 AU

Year: 22121 Days

Day: 15.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,363,295 km

• M1: 54,005 km (0.101 R)
• M2: 848,370 km (0.112 R)
• M3: 1,874,162 km (0.105 R)
• M4: 6,543,411 km (0.106 R)
• M5: 9,897,694 km (0.101 R)
• M6: 10,369,227 km (0.113 R)
• M7: 11,104,351 km (0.11 R)
• M8: 11,939,256 km (0.066 R)
• M9: 14,468,508 km (0.091 R)
• M10: 16,502,590 km (0.083 R)
• M11: 17,164,860 km (0.081 R)
• M12: 18,191,251 km (0.095 R)
• M13: 22,305,043 km (0.108 R)
• M14: 22,505,504 km (0.114 R)
• M15: 26,099,892 km (0.095 R)
• M16: 28,974,564 km (0.112 R)
• M17: 30,181,071 km (0.102 R)
• M18: 32,565,063 km (0.065 R)
• M19: 32,952,671 km (0.107 R)
• M20: 36,580,120 km (0.07 R)
• M21: 41,363,961 km (0.109 R)
• M22: 43,826,641 km (0.052 R)
• M23: 57,804,468 km (0.104 R)
• M24: 61,661,849 km (0.095 R)
• M25: 66,928,143 km (0.106 R)
• M26: 70,744,683 km (0.06 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 111.7

Radius: 3.8

Gravity: 7.74 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 14.9 AU - 14.98 AU

Year: 22233 Days

Day: 16 Hours

Environment

Temp: -195 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,363,295 km

• M1: 47,273 km (0.083 R)
• M2: 194,627 km (0.058 R)
• M3: 431,141 km (0.109 R)
• M4: 678,875 km (0.063 R)
• M5: 803,640 km (0.104 R)
• M6: 1,413,700 km (0.049 R)
• M7: 1,877,154 km (0.109 R)
• M8: 2,161,091 km (0.091 R)
• M9: 2,341,207 km (0.096 R)
• M10: 3,140,957 km (0.099 R)
• M11: 3,325,112 km (0.111 R)
• M12: 4,080,880 km (0.026 R)
• M13: 4,585,773 km (0.113 R)
• M14: 6,832,733 km (0.036 R)
• M15: 8,786,781 km (0.084 R)
• M16: 9,199,222 km (0.039 R)
• M17: 10,112,218 km (0.043 R)
• M18: 10,311,781 km (0.102 R)
• M19: 12,916,729 km (0.065 R)
• M20: 16,748,978 km (0.05 R)
• M21: 19,377,861 km (0.1 R)
• M22: 22,606,931 km (0.093 R)
• M23: 27,124,637 km (0.115 R)
• M24: 32,316,282 km (0.067 R)
• M25: 41,731,672 km (0.063 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 78.3

Radius: 7.6

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 15.84 AU - 17.26 AU

Year: 25922 Days

Day: 21.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,363,295 km

• M1: 94,546 km (0.119 R)
• M2: 460,911 km (0.093 R)
• M3: 891,304 km (0.08 R)
• M4: 2,773,545 km (0.103 R)
• M5: 3,457,057 km (0.107 R)
• M6: 4,700,515 km (0.092 R)
• M7: 15,508,362 km (0.109 R)
• M8: 17,486,944 km (0.103 R)
• M9: 21,937,780 km (0.04 R)
• M10: 22,605,585 km (0.041 R)
• M11: 25,963,758 km (0.066 R)
• M12: 30,973,940 km (0.065 R)
• M13: 36,244,423 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 91

Radius: 7.6

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 17.7 AU - 18.42 AU

Year: 29549 Days

Day: 21.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,363,295 km

• M1: 96,491 km (0.073 R)
• M2: 387,608 km (0.093 R)
• M3: 772,224 km (0.076 R)
• M4: 1,320,500 km (0.081 R)
• M5: 1,967,511 km (0.09 R)
• M6: 2,620,207 km (0.062 R)
• M7: 3,384,652 km (0.114 R)
• M8: 4,232,273 km (0.095 R)
• M9: 4,923,864 km (0.096 R)
• M10: 5,972,396 km (0.092 R)
• M11: 6,645,736 km (0.107 R)
• M12: 7,878,871 km (0.091 R)
• M13: 13,149,054 km (0.12 R)
• M14: 18,469,054 km (0.099 R)
• M15: 19,250,852 km (0.094 R)
• M16: 22,865,436 km (0.093 R)
• M17: 25,257,356 km (0.06 R)
• M18: 29,570,862 km (0.113 R)
• M19: 30,532,028 km (0.101 R)
• M20: 36,496,645 km (0.116 R)
• M21: 48,575,177 km (0.117 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 298 - 12,864 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit