🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.5 AU - 0.7 AU

Year: 305 Days

Day: 25.7 Hours

Environment

Temp: -131 °C

Axial Tilt: 27.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 25,478,148 km

• M1: 51,013 km (0.066 R)
• M2: 315,801 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.2

Radius: 9.5

Gravity: 9.34 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.65 AU - 0.77 AU

Year: 392 Days

Day: 5.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,478,148 km

• M1: 118,182 km (0.106 R)
• M2: 419,921 km (0.113 R)
• M3: 745,297 km (0.094 R)
• M4: 1,155,793 km (0.115 R)
• M5: 1,517,371 km (0.098 R)
• M6: 1,835,715 km (0.081 R)
• M7: 2,164,232 km (0.095 R)
• M8: 2,782,969 km (0.059 R)
• M9: 3,601,419 km (0.102 R)
• M10: 4,230,927 km (0.109 R)
• M11: 4,719,962 km (0.094 R)
• M12: 5,198,376 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.5

Radius: 13.8

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.81 AU - 0.95 AU

Year: 542 Days

Day: 7.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,478,148 km

• M1: 171,738 km (0.057 R)
• M2: 634,145 km (0.069 R)
• M3: 1,171,351 km (0.076 R)
• M4: 1,706,164 km (0.092 R)
• M5: 2,137,454 km (0.12 R)
• M6: 2,757,238 km (0.052 R)
• M7: 3,396,320 km (0.094 R)
• M8: 3,993,814 km (0.075 R)
• M9: 4,894,244 km (0.091 R)
• M10: 5,520,909 km (0.11 R)
• M11: 6,108,231 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.4

Radius: 11.5

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.85 AU - 1.23 AU

Year: 696 Days

Day: 11 Hours

Environment

Temp: -160 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,478,148 km

• M1: 143,016 km (0.08 R)
• M2: 585,825 km (0.049 R)
• M3: 1,025,493 km (0.1 R)
• M4: 1,751,193 km (0.086 R)
• M5: 2,237,835 km (0.117 R)
• M6: 3,100,416 km (0.12 R)
• M7: 3,843,319 km (0.091 R)
• M8: 4,237,659 km (0.074 R)
• M9: 4,630,952 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629

Radius: 13.6

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.23 AU - 1.51 AU

Year: 1052 Days

Day: 9.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,478,148 km

• M1: 169,943 km (0.085 R)
• M2: 607,068 km (0.028 R)
• M3: 1,063,042 km (0.114 R)
• M4: 1,572,274 km (0.111 R)
• M5: 2,030,791 km (0.1 R)
• M6: 2,591,334 km (0.1 R)
• M7: 3,366,251 km (0.119 R)
• M8: 4,077,140 km (0.087 R)
• M9: 4,978,468 km (0.034 R)
• M10: 5,417,687 km (0.106 R)
• M11: 6,687,773 km (0.109 R)
• M12: 7,296,337 km (0.09 R)
• M13: 8,463,649 km (0.106 R)
• M14: 9,346,725 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.4

Radius: 14.6

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.41 AU - 1.57 AU

Year: 1193 Days

Day: 13.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 25,478,148 km

• M1: 181,761 km (0.111 R)
• M2: 646,861 km (0.027 R)
• M3: 1,129,314 km (0.109 R)
• M4: 2,610,632 km (0.055 R)
• M5: 3,380,164 km (0.092 R)
• M6: 4,104,218 km (0.118 R)
• M7: 6,188,116 km (0.079 R)

Asteroid Belt

Center: 2.53 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.3

Radius: 8.5

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 3.16 AU - 3.96 AU

Year: 4406 Days

Day: 6.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 25,478,148 km

• M1: 105,766 km (0.111 R)
• M2: 381,774 km (0.101 R)
• M3: 748,438 km (0.085 R)
• M4: 1,677,441 km (0.115 R)
• M5: 2,040,365 km (0.049 R)
• M6: 2,576,674 km (0.106 R)
• M7: 3,718,554 km (0.029 R)
• M8: 4,029,568 km (0.034 R)
• M9: 4,537,603 km (0.053 R)
• M10: 5,227,249 km (0.084 R)
• M11: 9,759,765 km (0.095 R)
• M12: 10,163,679 km (0.079 R)
• M13: 10,741,277 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 474.4

Radius: 6.2

Gravity: 12.34 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 6.57 AU - 8.35 AU

Year: 13366 Days

Day: 16.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 25,478,148 km

• M1: 77,342 km (0.083 R)
• M2: 325,076 km (0.102 R)
• M3: 580,739 km (0.11 R)
• M4: 1,033,272 km (0.111 R)
• M5: 1,254,079 km (0.11 R)
• M6: 1,506,451 km (0.044 R)
• M7: 1,713,943 km (0.052 R)
• M8: 3,415,170 km (0.108 R)
• M9: 4,885,268 km (0.101 R)
• M10: 5,310,276 km (0.066 R)
• M11: 5,724,063 km (0.025 R)
• M12: 6,159,244 km (0.099 R)
• M13: 6,893,021 km (0.109 R)
• M14: 9,642,929 km (0.091 R)
• M15: 11,009,954 km (0.12 R)
• M16: 11,455,457 km (0.04 R)
• M17: 12,382,216 km (0.062 R)
• M18: 13,109,411 km (0.101 R)
• M19: 13,358,043 km (0.099 R)
• M20: 14,715,344 km (0.057 R)
• M21: 15,809,353 km (0.069 R)
• M22: 16,520,093 km (0.078 R)
• M23: 17,103,824 km (0.098 R)
• M24: 19,983,583 km (0.052 R)
• M25: 21,580,989 km (0.043 R)
• M26: 24,273,451 km (0.093 R)
• M27: 25,218,611 km (0.105 R)
• M28: 26,981,173 km (0.031 R)
• M29: 30,749,543 km (0.041 R)
• M30: 34,735,728 km (0.115 R)
• M31: 35,934,905 km (0.052 R)
• M32: 44,130,923 km (0.113 R)
• M33: 47,262,904 km (0.103 R)
• M34: 51,305,188 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 32.9

Radius: 6.9

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 7.82 AU - 10.16 AU

Year: 17683 Days

Day: 24.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 25,478,148 km

• M1: 88,263 km (0.11 R)
• M2: 482,603 km (0.117 R)
• M3: 724,502 km (0.061 R)
• M4: 1,066,334 km (0.113 R)
• M5: 1,627,026 km (0.047 R)
• M6: 2,104,692 km (0.117 R)
• M7: 2,738,987 km (0.111 R)
• M8: 3,996,058 km (0.067 R)
• M9: 4,521,296 km (0.12 R)
• M10: 4,788,329 km (0.101 R)
• M11: 5,934,847 km (0.118 R)
• M12: 6,285,055 km (0.115 R)
• M13: 7,286,912 km (0.101 R)
• M14: 8,140,667 km (0.039 R)
• M15: 9,484,655 km (0.082 R)
• M16: 12,463,148 km (0.118 R)
• M17: 12,748,431 km (0.073 R)
• M18: 14,035,123 km (0.066 R)
• M19: 15,735,003 km (0.094 R)
• M20: 16,180,506 km (0.083 R)
• M21: 17,508,187 km (0.101 R)
• M22: 19,032,140 km (0.069 R)
• M23: 23,548,650 km (0.096 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: 160 - 19,586 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit