🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.56 AU - 0.74 AU

Year: 237 Days

Day: 13.5 Hours

Environment

Temp: -34 °C

Axial Tilt: 10.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.63 AU - 1.79 AU

Year: 1013 Days

Day: 44.7 Hours

Environment

Temp: -117 °C

Axial Tilt: 163.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.99 AU - 2.27 AU

Year: 1408 Days

Day: 31.5 Hours

Environment

Temp: -131 °C

Axial Tilt: 28.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,814,007 km

• M1: 1,611,917 km (0.116 R)

Asteroid Belt

Center: 4.26 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.3

Radius: 10.4

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 6.08 AU - 6.7 AU

Year: 7318 Days

Day: 5.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,814,007 km

• M1: 133,292 km (0.086 R)
• M2: 515,215 km (0.072 R)
• M3: 1,622,838 km (0.067 R)
• M4: 1,984,416 km (0.087 R)
• M5: 2,486,466 km (0.049 R)
• M6: 3,563,571 km (0.107 R)
• M7: 5,391,058 km (0.076 R)
• M8: 6,174,353 km (0.076 R)
• M9: 7,735,257 km (0.099 R)
• M10: 8,363,269 km (0.066 R)
• M11: 9,810,778 km (0.087 R)
• M12: 12,869,306 km (0.111 R)
• M13: 13,638,987 km (0.115 R)
• M14: 14,092,419 km (0.111 R)
• M15: 16,640,070 km (0.105 R)
• M16: 20,128,394 km (0.107 R)
• M17: 22,393,156 km (0.117 R)
• M18: 26,712,794 km (0.092 R)
• M19: 29,160,963 km (0.062 R)
• M20: 29,630,252 km (0.084 R)
• M21: 34,918,836 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.9

Radius: 8.9

Gravity: 9.92 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.94 AU - 8.12 AU

Year: 7560 Days

Day: 14.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 68,814,007 km

• M1: 113,096 km (0.098 R)
• M2: 428,149 km (0.101 R)
• M3: 767,437 km (0.109 R)
• M4: 1,289,085 km (0.099 R)
• M5: 2,214,348 km (0.048 R)
• M6: 3,366,850 km (0.089 R)
• M7: 3,895,229 km (0.115 R)
• M8: 5,178,480 km (0.095 R)
• M9: 5,849,726 km (0.074 R)
• M10: 7,522,080 km (0.037 R)
• M11: 8,992,029 km (0.119 R)
• M12: 11,568,852 km (0.091 R)
• M13: 13,576,755 km (0.081 R)
• M14: 14,478,232 km (0.107 R)
• M15: 17,984,357 km (0.053 R)
• M16: 19,293,488 km (0.103 R)
• M17: 22,018,862 km (0.054 R)
• M18: 22,676,045 km (0.045 R)
• M19: 23,943,438 km (0.059 R)
• M20: 25,615,943 km (0.079 R)
• M21: 25,977,670 km (0.115 R)
• M22: 27,553,385 km (0.105 R)
• M23: 28,509,465 km (0.037 R)
• M24: 29,191,780 km (0.106 R)
• M25: 30,894,204 km (0.101 R)
• M26: 31,717,741 km (0.084 R)
• M27: 32,661,703 km (0.067 R)
• M28: 32,980,496 km (0.098 R)
• M29: 34,495,623 km (0.111 R)
• M30: 40,164,336 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831

Radius: 14.7

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 6.9 AU - 10.58 AU

Year: 11706 Days

Day: 14.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 68,814,007 km

• M1: 182,958 km (0.119 R)
• M2: 684,859 km (0.073 R)
• M3: 1,621,043 km (0.043 R)
• M4: 4,026,875 km (0.094 R)
• M5: 6,364,193 km (0.077 R)
• M6: 7,823,969 km (0.114 R)
• M7: 8,947,299 km (0.109 R)
• M8: 11,225,824 km (0.111 R)
• M9: 12,654,185 km (0.099 R)
• M10: 13,541,599 km (0.104 R)
• M11: 14,881,099 km (0.062 R)
• M12: 15,797,984 km (0.117 R)
• M13: 17,512,226 km (0.032 R)
• M14: 17,979,121 km (0.05 R)
• M15: 19,019,424 km (0.101 R)
• M16: 21,396,235 km (0.117 R)
• M17: 23,210,858 km (0.075 R)
• M18: 26,426,613 km (0.076 R)
• M19: 29,488,433 km (0.119 R)
• M20: 32,897,170 km (0.113 R)
• M21: 34,089,615 km (0.12 R)
• M22: 35,187,214 km (0.052 R)
• M23: 36,182,489 km (0.096 R)
• M24: 38,229,437 km (0.112 R)
• M25: 39,016,621 km (0.089 R)
• M26: 42,273,665 km (0.095 R)
• M27: 45,268,914 km (0.08 R)
• M28: 47,192,443 km (0.108 R)
• M29: 56,442,229 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 226.9

Radius: 4.8

Gravity: 9.85 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 9.64 AU - 10.44 AU

Year: 14412 Days

Day: 20.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 68,814,007 km

• M1: 59,690 km (0.114 R)
• M2: 720,015 km (0.1 R)
• M3: 900,729 km (0.077 R)
• M4: 1,343,090 km (0.03 R)
• M5: 1,510,340 km (0.069 R)
• M6: 1,705,865 km (0.11 R)
• M7: 2,080,906 km (0.114 R)
• M8: 3,212,764 km (0.115 R)
• M9: 3,708,531 km (0.055 R)
• M10: 3,987,830 km (0.094 R)
• M11: 4,363,321 km (0.079 R)
• M12: 4,617,039 km (0.118 R)
• M13: 6,494,193 km (0.049 R)
• M14: 6,750,604 km (0.103 R)
• M15: 7,013,597 km (0.119 R)
• M16: 8,219,356 km (0.095 R)
• M17: 12,997,811 km (0.12 R)
• M18: 18,977,687 km (0.05 R)
• M19: 20,344,712 km (0.027 R)
• M20: 21,776,064 km (0.099 R)
• M21: 23,188,418 km (0.107 R)
• M22: 24,484,235 km (0.075 R)
• M23: 28,368,095 km (0.067 R)
• M24: 35,045,246 km (0.09 R)
• M25: 35,947,022 km (0.114 R)
• M26: 38,269,080 km (0.057 R)
• M27: 38,745,250 km (0.059 R)
• M28: 39,345,886 km (0.099 R)
• M29: 40,936,859 km (0.106 R)
• M30: 41,434,721 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 598

Radius: 7.4

Gravity: 10.92 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 8.89 AU - 14.75 AU

Year: 18410 Days

Day: 23.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 68,814,007 km

• M1: 115,639 km (0.095 R)
• M2: 479,611 km (0.061 R)
• M3: 794,215 km (0.11 R)
• M4: 1,165,816 km (0.047 R)
• M5: 3,114,927 km (0.104 R)
• M6: 3,433,720 km (0.056 R)
• M7: 4,968,444 km (0.066 R)
• M8: 5,256,570 km (0.09 R)
• M9: 6,066,642 km (0.045 R)
• M10: 7,226,924 km (0.082 R)
• M11: 7,550,504 km (0.108 R)
• M12: 8,785,733 km (0.094 R)
• M13: 9,154,492 km (0.086 R)
• M14: 9,699,178 km (0.107 R)
• M15: 10,207,811 km (0.067 R)
• M16: 10,793,486 km (0.112 R)
• M17: 12,619,029 km (0.097 R)
• M18: 15,159,799 km (0.087 R)
• M19: 15,613,979 km (0.099 R)
• M20: 20,946,694 km (0.1 R)
• M21: 22,180,577 km (0.071 R)
• M22: 25,317,196 km (0.066 R)
• M23: 26,606,879 km (0.114 R)
• M24: 27,827,149 km (0.119 R)
• M25: 28,279,832 km (0.102 R)
• M26: 36,075,377 km (0.045 R)
• M27: 44,415,757 km (0.067 R)
• M28: 51,878,896 km (0.096 R)
• M29: 53,083,159 km (0.094 R)
• M30: 56,626,684 km (0.078 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 287 - 17,931 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit