🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.85 AU - 0.85 AU

Year: 335 Days

Day: 14.9 Hours

Environment

Temp: -38 °C

Axial Tilt: 18.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,443,788 km

• M1: 44,431 km (0.089 R)

Asteroid Belt

Center: 2.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.2

Radius: 11.6

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 4.12 AU - 4.42 AU

Year: 3772 Days

Day: 12.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 43,443,788 km

• M1: 144,212 km (0.107 R)
• M2: 556,055 km (0.06 R)
• M3: 1,065,137 km (0.102 R)
• M4: 1,622,389 km (0.07 R)
• M5: 2,467,467 km (0.102 R)
• M6: 2,876,617 km (0.119 R)
• M7: 3,313,443 km (0.101 R)
• M8: 3,794,550 km (0.117 R)
• M9: 4,237,808 km (0.093 R)
• M10: 4,603,725 km (0.059 R)
• M11: 5,499,517 km (0.044 R)
• M12: 6,015,779 km (0.107 R)
• M13: 6,535,931 km (0.09 R)
• M14: 7,449,226 km (0.102 R)
• M15: 8,345,317 km (0.117 R)
• M16: 10,390,171 km (0.092 R)
• M17: 11,716,356 km (0.087 R)
• M18: 12,529,420 km (0.065 R)
• M19: 13,983,212 km (0.107 R)
• M20: 14,800,017 km (0.108 R)
• M21: 17,716,277 km (0.056 R)
• M22: 18,615,361 km (0.088 R)
• M23: 19,076,122 km (0.032 R)
• M24: 20,322,123 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.3

Radius: 10.7

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 4.25 AU - 4.97 AU

Year: 4231 Days

Day: 8.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,443,788 km

• M1: 133,142 km (0.06 R)
• M2: 467,045 km (0.057 R)
• M3: 1,189,901 km (0.114 R)
• M4: 1,936,395 km (0.055 R)
• M5: 3,933,826 km (0.092 R)
• M6: 4,582,033 km (0.09 R)
• M7: 5,113,854 km (0.092 R)
• M8: 5,977,033 km (0.044 R)
• M9: 7,636,822 km (0.079 R)
• M10: 11,065,455 km (0.12 R)
• M11: 12,430,536 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.8

Radius: 14.2

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.65 AU - 6.05 AU

Year: 4566 Days

Day: 7.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,443,788 km

• M1: 202,556 km (0.04 R)
• M2: 1,447,808 km (0.112 R)
• M3: 3,032,947 km (0.105 R)
• M4: 4,170,938 km (0.089 R)
• M5: 4,695,578 km (0.092 R)
• M6: 5,926,020 km (0.112 R)
• M7: 8,430,588 km (0.108 R)
• M8: 9,177,680 km (0.084 R)
• M9: 9,633,504 km (0.111 R)
• M10: 12,300,984 km (0.084 R)
• M11: 15,156,359 km (0.04 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.9

Radius: 9.5

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 5.15 AU - 5.51 AU

Year: 5260 Days

Day: 10.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,443,788 km

• M1: 125,662 km (0.117 R)
• M2: 439,519 km (0.052 R)
• M3: 909,705 km (0.12 R)
• M4: 2,739,287 km (0.107 R)
• M5: 3,124,052 km (0.091 R)
• M6: 5,089,170 km (0.091 R)
• M7: 5,563,994 km (0.119 R)
• M8: 7,562,322 km (0.095 R)
• M9: 10,957,446 km (0.078 R)
• M10: 14,775,482 km (0.08 R)
• M11: 21,221,505 km (0.103 R)
• M12: 23,369,581 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.2

Radius: 10

Gravity: 8.04 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 4.19 AU - 6.67 AU

Year: 5409 Days

Day: 5.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 43,443,788 km

• M1: 125,812 km (0.115 R)
• M2: 490,232 km (0.094 R)
• M3: 874,400 km (0.074 R)
• M4: 1,199,925 km (0.098 R)
• M5: 1,859,950 km (0.07 R)
• M6: 2,201,333 km (0.063 R)
• M7: 2,839,517 km (0.058 R)
• M8: 3,708,681 km (0.088 R)
• M9: 4,508,880 km (0.099 R)
• M10: 4,827,074 km (0.076 R)
• M11: 5,361,588 km (0.043 R)
• M12: 7,348,547 km (0.087 R)
• M13: 7,753,209 km (0.063 R)
• M14: 8,211,577 km (0.108 R)
• M15: 9,394,297 km (0.058 R)
• M16: 12,764,289 km (0.115 R)
• M17: 13,242,254 km (0.109 R)
• M18: 15,813,393 km (0.112 R)
• M19: 17,701,617 km (0.106 R)
• M20: 19,525,664 km (0.109 R)
• M21: 21,620,632 km (0.116 R)
• M22: 23,941,344 km (0.085 R)
• M23: 27,550,093 km (0.08 R)
• M24: 28,259,487 km (0.096 R)
• M25: 30,272,625 km (0.119 R)
• M26: 30,932,801 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.2

Radius: 8.6

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 4.32 AU - 6.56 AU

Year: 5424 Days

Day: 9.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,443,788 km

• M1: 108,907 km (0.066 R)
• M2: 412,142 km (0.058 R)
• M3: 739,013 km (0.067 R)
• M4: 1,532,481 km (0.111 R)
• M5: 1,834,818 km (0.075 R)
• M6: 2,914,167 km (0.113 R)
• M7: 3,486,079 km (0.114 R)
• M8: 3,863,814 km (0.109 R)
• M9: 4,471,480 km (0.087 R)
• M10: 6,598,912 km (0.072 R)
• M11: 8,376,583 km (0.096 R)
• M12: 8,924,111 km (0.099 R)
• M13: 11,472,511 km (0.116 R)
• M14: 13,404,119 km (0.078 R)
• M15: 16,025,821 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556

Radius: 9.4

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 5.97 AU - 7.25 AU

Year: 7265 Days

Day: 5.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,443,788 km

• M1: 138,228 km (0.095 R)
• M2: 516,262 km (0.074 R)
• M3: 2,509,504 km (0.118 R)
• M4: 2,804,511 km (0.099 R)
• M5: 3,377,172 km (0.112 R)
• M6: 4,380,226 km (0.076 R)
• M7: 4,755,417 km (0.098 R)
• M8: 6,751,950 km (0.043 R)
• M9: 16,495,858 km (0.117 R)
• M10: 22,470,947 km (0.112 R)
• M11: 23,834,232 km (0.09 R)
• M12: 28,162,996 km (0.065 R)
• M13: 32,182,092 km (0.077 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.8

Radius: 13

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 6.46 AU - 8.82 AU

Year: 9028 Days

Day: 5.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 43,443,788 km

• M1: 162,164 km (0.118 R)
• M2: 1,013,526 km (0.119 R)
• M3: 1,818,213 km (0.111 R)
• M4: 2,911,025 km (0.074 R)
• M5: 3,345,457 km (0.057 R)
• M6: 3,848,555 km (0.058 R)
• M7: 5,316,409 km (0.068 R)
• M8: 9,604,482 km (0.06 R)
• M9: 11,035,835 km (0.079 R)
• M10: 11,884,204 km (0.108 R)
• M11: 13,121,080 km (0.11 R)
• M12: 14,195,641 km (0.102 R)
• M13: 14,628,877 km (0.118 R)
• M14: 17,986,601 km (0.079 R)
• M15: 18,641,241 km (0.079 R)
• M16: 19,236,641 km (0.084 R)
• M17: 22,824,446 km (0.094 R)
• M18: 25,541,293 km (0.119 R)
• M19: 26,461,919 km (0.08 R)
• M20: 30,674,295 km (0.049 R)
• M21: 33,975,023 km (0.099 R)
• M22: 35,540,415 km (0.094 R)
• M23: 36,687,831 km (0.115 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: 406 - 14,564 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit