🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.43

Radius: 1.15

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.53 AU - 0.59 AU

Year: 266 Days

Day: 26.6 Hours

Environment

Temp: -131 °C

Axial Tilt: 4.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 82,342,022 km

• M1: 46,675 km (0.115 R)
• M2: 143,016 km (0.095 R)

Asteroid Belt

Center: 0.84 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.3

Radius: 8.7

Gravity: 8.5 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.1 AU - 1.14 AU

Year: 754 Days

Day: 11.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 82,342,022 km

• M1: 108,159 km (0.025 R)
• M2: 402,568 km (0.065 R)
• M3: 1,166,564 km (0.097 R)
• M4: 1,623,137 km (0.11 R)
• M5: 2,316,224 km (0.044 R)
• M6: 2,992,556 km (0.062 R)
• M7: 3,526,471 km (0.064 R)
• M8: 4,001,145 km (0.114 R)
• M9: 4,340,732 km (0.094 R)
• M10: 5,275,120 km (0.117 R)
• M11: 5,665,271 km (0.11 R)
• M12: 6,014,882 km (0.12 R)
• M13: 6,843,803 km (0.091 R)
• M14: 7,173,517 km (0.075 R)
• M15: 7,770,263 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.5

Radius: 8.4

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.1 AU - 1.4 AU

Year: 889 Days

Day: 10.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,342,022 km

• M1: 104,419 km (0.111 R)
• M2: 434,133 km (0.106 R)
• M3: 721,062 km (0.066 R)
• M4: 994,227 km (0.071 R)
• M5: 1,481,617 km (0.099 R)
• M6: 1,986,660 km (0.11 R)
• M7: 2,752,750 km (0.116 R)
• M8: 3,339,324 km (0.046 R)
• M9: 3,950,281 km (0.086 R)
• M10: 4,267,728 km (0.118 R)
• M11: 4,792,069 km (0.118 R)
• M12: 5,221,414 km (0.099 R)
• M13: 6,044,053 km (0.104 R)
• M14: 6,786,507 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.3

Radius: 8.6

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.37 AU - 2.39 AU

Year: 2335 Days

Day: 5.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 82,342,022 km

• M1: 108,010 km (0.047 R)
• M2: 426,504 km (0.106 R)
• M3: 792,869 km (0.092 R)
• M4: 1,133,653 km (0.097 R)
• M5: 2,676,156 km (0.039 R)
• M6: 3,751,167 km (0.114 R)
• M7: 4,619,133 km (0.057 R)
• M8: 5,149,458 km (0.073 R)
• M9: 5,532,129 km (0.115 R)
• M10: 5,847,332 km (0.117 R)
• M11: 6,331,580 km (0.062 R)
• M12: 7,156,912 km (0.094 R)
• M13: 9,428,107 km (0.091 R)
• M14: 10,662,588 km (0.086 R)
• M15: 11,053,188 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.5

Radius: 10.9

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.76 AU - 2.98 AU

Year: 3091 Days

Day: 5.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 82,342,022 km

• M1: 135,536 km (0.053 R)
• M2: 492,626 km (0.09 R)
• M3: 875,596 km (0.107 R)
• M4: 1,533,528 km (0.117 R)
• M5: 1,874,611 km (0.09 R)
• M6: 2,789,551 km (0.069 R)
• M7: 3,220,393 km (0.109 R)
• M8: 4,527,879 km (0.062 R)
• M9: 5,034,118 km (0.035 R)
• M10: 7,067,003 km (0.052 R)
• M11: 8,378,827 km (0.071 R)
• M12: 8,906,309 km (0.076 R)
• M13: 9,667,463 km (0.062 R)
• M14: 11,558,679 km (0.049 R)
• M15: 12,088,406 km (0.064 R)
• M16: 15,417,706 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.7

Radius: 13.5

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 3.37 AU - 3.41 AU

Year: 3969 Days

Day: 10.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,342,022 km

• M1: 169,644 km (0.101 R)
• M2: 624,422 km (0.085 R)
• M3: 1,221,616 km (0.091 R)
• M4: 1,664,576 km (0.091 R)
• M5: 2,326,696 km (0.053 R)
• M6: 3,253,305 km (0.054 R)
• M7: 4,316,647 km (0.09 R)
• M8: 4,898,133 km (0.109 R)
• M9: 5,785,698 km (0.066 R)
• M10: 6,909,477 km (0.096 R)
• M11: 7,997,053 km (0.072 R)
• M12: 12,024,677 km (0.075 R)
• M13: 12,613,494 km (0.077 R)
• M14: 14,983,573 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 330

Radius: 5.3

Gravity: 11.75 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 7.73 AU - 10.05 AU

Year: 16853 Days

Day: 17.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 82,342,022 km

• M1: 65,973 km (0.091 R)
• M2: 322,383 km (0.086 R)
• M3: 523,742 km (0.112 R)
• M4: 1,043,894 km (0.106 R)
• M5: 3,544,572 km (0.11 R)
• M6: 4,686,602 km (0.085 R)
• M7: 4,909,054 km (0.108 R)
• M8: 6,280,567 km (0.069 R)
• M9: 8,860,383 km (0.083 R)
• M10: 10,012,735 km (0.044 R)
• M11: 11,317,977 km (0.11 R)
• M12: 14,327,586 km (0.086 R)
• M13: 15,908,387 km (0.118 R)
• M14: 17,754,574 km (0.091 R)
• M15: 18,140,088 km (0.085 R)
• M16: 18,768,698 km (0.087 R)
• M17: 21,428,997 km (0.107 R)
• M18: 24,141,506 km (0.103 R)
• M19: 27,482,774 km (0.03 R)
• M20: 30,897,196 km (0.106 R)
• M21: 41,317,436 km (0.11 R)
• M22: 41,722,697 km (0.108 R)
• M23: 43,929,265 km (0.061 R)
• M24: 52,106,434 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 838.7

Radius: 6.7

Gravity: 18.68 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 8.23 AU - 11.93 AU

Year: 20348 Days

Day: 20.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 82,342,022 km

• M1: 83,326 km (0.086 R)
• M2: 395,537 km (0.099 R)
• M3: 665,561 km (0.113 R)
• M4: 1,045,540 km (0.038 R)
• M5: 1,322,894 km (0.118 R)
• M6: 1,562,699 km (0.076 R)
• M7: 2,417,202 km (0.074 R)
• M8: 4,050,512 km (0.116 R)
• M9: 7,883,060 km (0.12 R)
• M10: 8,247,779 km (0.11 R)
• M11: 9,294,665 km (0.083 R)
• M12: 10,427,420 km (0.051 R)
• M13: 14,221,970 km (0.096 R)
• M14: 15,558,927 km (0.045 R)
• M15: 20,553,999 km (0.099 R)
• M16: 26,407,166 km (0.087 R)
• M17: 27,578,667 km (0.107 R)
• M18: 35,625,835 km (0.109 R)
• M19: 37,783,635 km (0.075 R)
• M20: 42,516,463 km (0.119 R)
• M21: 47,972,896 km (0.095 R)
• M22: 51,317,006 km (0.052 R)
• M23: 54,250,920 km (0.096 R)
• M24: 62,275,649 km (0.096 R)
• M25: 66,035,492 km (0.074 R)
• M26: 69,943,886 km (0.106 R)
• M27: 72,180,374 km (0.083 R)
• M28: 72,406,716 km (0.108 R)
• M29: 74,926,692 km (0.105 R)
• M30: 79,657,276 km (0.115 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: 478 - 17,852 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit