🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.77 AU - 1.13 AU

Year: 385 Days

Day: 30.4 Hours

Environment

Temp: -41 °C

Axial Tilt: 28.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.38 AU - 1.44 AU

Year: 697 Days

Day: 39 Hours

Environment

Temp: -73 °C

Axial Tilt: 21.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.57 AU - 3.41 AU

Year: 2152 Days

Day: 13.8 Hours

Environment

Temp: -134 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.33 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838

Radius: 14.8

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.54 AU - 3.78 AU

Year: 2915 Days

Day: 7.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 54.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 98,517,644 km

• M1: 184,454 km (0.102 R)
• M2: 752,028 km (0.087 R)
• M3: 1,279,959 km (0.085 R)
• M4: 1,924,128 km (0.066 R)
• M5: 2,961,290 km (0.058 R)
• M6: 3,587,507 km (0.11 R)
• M7: 4,868,513 km (0.1 R)
• M8: 5,667,067 km (0.115 R)
• M9: 6,322,305 km (0.104 R)
• M10: 7,274,196 km (0.03 R)
• M11: 7,784,924 km (0.096 R)
• M12: 8,285,628 km (0.097 R)
• M13: 8,807,724 km (0.088 R)
• M14: 9,841,595 km (0.036 R)
• M15: 10,507,904 km (0.048 R)
• M16: 14,252,339 km (0.054 R)
• M17: 14,953,205 km (0.072 R)
• M18: 15,519,881 km (0.073 R)
• M19: 16,100,770 km (0.094 R)
• M20: 17,138,530 km (0.039 R)
• M21: 21,740,161 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.9

Radius: 11.5

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 4.99 AU - 6.93 AU

Year: 6056 Days

Day: 5.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 143.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 98,517,644 km

• M1: 143,016 km (0.07 R)
• M2: 639,830 km (0.039 R)
• M3: 1,048,980 km (0.091 R)
• M4: 1,511,088 km (0.119 R)
• M5: 2,031,539 km (0.116 R)
• M6: 2,725,224 km (0.051 R)
• M7: 3,548,312 km (0.084 R)
• M8: 4,192,780 km (0.063 R)
• M9: 4,664,611 km (0.053 R)
• M10: 5,289,482 km (0.072 R)
• M11: 5,684,420 km (0.057 R)
• M12: 6,602,502 km (0.057 R)
• M13: 8,443,753 km (0.052 R)
• M14: 9,199,222 km (0.096 R)
• M15: 10,183,127 km (0.038 R)
• M16: 14,299,761 km (0.086 R)
• M17: 15,129,880 km (0.104 R)
• M18: 15,866,799 km (0.056 R)
• M19: 16,435,121 km (0.086 R)
• M20: 19,842,961 km (0.079 R)
• M21: 23,777,534 km (0.089 R)
• M22: 25,367,610 km (0.045 R)
• M23: 25,797,554 km (0.109 R)
• M24: 29,131,941 km (0.104 R)
• M25: 30,659,036 km (0.106 R)
• M26: 35,882,844 km (0.066 R)
• M27: 36,424,987 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.6

Radius: 13.6

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 7.71 AU - 10.11 AU

Year: 11070 Days

Day: 5.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 98,517,644 km

• M1: 169,943 km (0.108 R)
• M2: 782,247 km (0.118 R)
• M3: 1,598,004 km (0.078 R)
• M4: 2,210,458 km (0.094 R)
• M5: 2,646,536 km (0.114 R)
• M6: 3,237,148 km (0.072 R)
• M7: 3,804,573 km (0.101 R)
• M8: 4,288,073 km (0.039 R)
• M9: 5,414,695 km (0.102 R)
• M10: 7,572,046 km (0.097 R)
• M11: 8,202,451 km (0.092 R)
• M12: 8,770,325 km (0.108 R)
• M13: 10,038,316 km (0.059 R)
• M14: 12,810,664 km (0.094 R)
• M15: 13,904,673 km (0.097 R)
• M16: 17,177,276 km (0.052 R)
• M17: 18,507,201 km (0.084 R)
• M18: 23,657,258 km (0.045 R)
• M19: 29,252,816 km (0.116 R)
• M20: 30,022,946 km (0.096 R)
• M21: 30,469,047 km (0.113 R)
• M22: 33,837,094 km (0.109 R)
• M23: 40,214,301 km (0.053 R)
• M24: 42,273,366 km (0.061 R)
• M25: 45,272,953 km (0.103 R)
• M26: 51,215,130 km (0.096 R)
• M27: 52,656,805 km (0.058 R)
• M28: 54,620,726 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 372.1

Radius: 7.4

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 11.61 AU - 17.79 AU

Year: 23460 Days

Day: 24.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 98,517,644 km

• M1: 92,601 km (0.088 R)
• M2: 379,829 km (0.117 R)
• M3: 668,852 km (0.086 R)
• M4: 986,897 km (0.08 R)
• M5: 1,862,344 km (0.086 R)
• M6: 2,186,373 km (0.069 R)
• M7: 5,807,539 km (0.103 R)
• M8: 8,204,994 km (0.056 R)
• M9: 22,063,143 km (0.114 R)
• M10: 23,341,756 km (0.111 R)
• M11: 25,938,176 km (0.114 R)
• M12: 26,370,813 km (0.107 R)
• M13: 27,361,600 km (0.053 R)
• M14: 33,962,606 km (0.106 R)
• M15: 38,392,798 km (0.075 R)
• M16: 54,669,943 km (0.061 R)
• M17: 56,278,569 km (0.082 R)
• M18: 57,003,521 km (0.032 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 911.2

Radius: 3.1

Gravity: 94.82 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 14.19 AU - 16.93 AU

Year: 25548 Days

Day: 24.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 98,517,644 km

• M1: 38,746 km (0.107 R)
• M2: 149,299 km (0.071 R)
• M3: 377,585 km (0.114 R)
• M4: 489,035 km (0.096 R)
• M5: 950,545 km (0.096 R)
• M6: 1,300,305 km (0.075 R)
• M7: 1,399,937 km (0.099 R)
• M8: 1,558,959 km (0.106 R)
• M9: 2,465,223 km (0.089 R)
• M10: 2,670,920 km (0.081 R)
• M11: 3,175,664 km (0.12 R)
• M12: 3,419,209 km (0.047 R)
• M13: 3,609,797 km (0.054 R)
• M14: 4,557,050 km (0.085 R)
• M15: 4,827,374 km (0.073 R)
• M16: 5,190,298 km (0.099 R)
• M17: 7,598,375 km (0.099 R)
• M18: 9,376,196 km (0.105 R)
• M19: 13,178,824 km (0.103 R)
• M20: 16,783,086 km (0.095 R)
• M21: 20,678,315 km (0.086 R)
• M22: 21,203,853 km (0.061 R)
• M23: 22,612,017 km (0.1 R)
• M24: 23,736,694 km (0.075 R)
• M25: 26,958,733 km (0.052 R)
• M26: 27,083,348 km (0.11 R)
• M27: 33,961,858 km (0.074 R)
• M28: 41,087,803 km (0.116 R)
• M29: 43,098,099 km (0.089 R)
• M30: 43,782,510 km (0.098 R)
• M31: 51,029,180 km (0.114 R)
• M32: 52,958,095 km (0.109 R)
• M33: 53,743,035 km (0.096 R)
• M34: 57,991,615 km (0.103 R)
• M35: 61,374,920 km (0.085 R)
• M36: 72,069,373 km (0.114 R)
• M37: 76,973,340 km (0.045 R)
• M38: 88,535,012 km (0.086 R)
• M39: 89,917,745 km (0.095 R)
• M40: 94,726,718 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: 525 - 14,011 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit