🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.66 AU - 2.54 AU

Year: 1117 Days

Day: 12.5 Hours

Environment

Temp: -74 °C

Axial Tilt: 0 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 88,967,395 km

• M1: 178,021 km (0.113 R)

Asteroid Belt

Center: 3.77 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.2

Radius: 8.1

Gravity: 13.52 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 4.12 AU - 6.76 AU

Year: 4658 Days

Day: 5.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 88,967,395 km

• M1: 101,128 km (0.055 R)
• M2: 716,723 km (0.087 R)
• M3: 1,126,173 km (0.078 R)
• M4: 1,419,534 km (0.057 R)
• M5: 1,845,140 km (0.12 R)
• M6: 2,435,902 km (0.053 R)
• M7: 3,412,327 km (0.117 R)
• M8: 4,251,871 km (0.111 R)
• M9: 4,629,157 km (0.112 R)
• M10: 5,364,280 km (0.12 R)
• M11: 6,659,499 km (0.065 R)
• M12: 7,134,322 km (0.054 R)
• M13: 8,774,514 km (0.113 R)
• M14: 9,056,805 km (0.067 R)
• M15: 11,019,678 km (0.07 R)
• M16: 13,250,183 km (0.065 R)
• M17: 17,292,167 km (0.074 R)
• M18: 18,715,142 km (0.117 R)
• M19: 20,005,574 km (0.119 R)
• M20: 21,354,198 km (0.097 R)
• M21: 22,536,022 km (0.114 R)
• M22: 24,548,562 km (0.087 R)
• M23: 25,927,555 km (0.029 R)
• M24: 28,397,865 km (0.07 R)
• M25: 29,916,582 km (0.084 R)
• M26: 30,742,213 km (0.104 R)
• M27: 31,207,462 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.6

Radius: 10.6

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4.61 AU - 6.35 AU

Year: 4709 Days

Day: 7.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 88,967,395 km

• M1: 136,134 km (0.119 R)
• M2: 828,024 km (0.117 R)
• M3: 1,409,661 km (0.078 R)
• M4: 1,831,826 km (0.057 R)
• M5: 2,522,519 km (0.043 R)
• M6: 3,451,971 km (0.084 R)
• M7: 6,462,179 km (0.116 R)
• M8: 8,483,695 km (0.109 R)
• M9: 10,638,802 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.3

Radius: 14.8

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 8.89 AU - 10.45 AU

Year: 11039 Days

Day: 13.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 88,967,395 km

• M1: 188,643 km (0.071 R)
• M2: 672,592 km (0.092 R)
• M3: 2,143,289 km (0.037 R)
• M4: 3,398,265 km (0.109 R)
• M5: 4,230,777 km (0.082 R)
• M6: 6,913,815 km (0.109 R)
• M7: 9,079,544 km (0.116 R)
• M8: 12,648,350 km (0.046 R)
• M9: 18,252,287 km (0.098 R)
• M10: 22,676,195 km (0.043 R)
• M11: 23,567,499 km (0.072 R)
• M12: 27,069,585 km (0.098 R)
• M13: 33,922,813 km (0.101 R)
• M14: 34,502,505 km (0.091 R)
• M15: 40,799,079 km (0.055 R)
• M16: 42,251,076 km (0.082 R)
• M17: 48,697,996 km (0.112 R)
• M18: 49,287,861 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 12.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.8

Radius: 9.3

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 9.66 AU - 14.82 AU

Year: 15720 Days

Day: 6.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 88,967,395 km

• M1: 115,639 km (0.054 R)
• M2: 431,590 km (0.118 R)
• M3: 752,477 km (0.034 R)
• M4: 1,265,299 km (0.034 R)
• M5: 1,672,953 km (0.065 R)
• M6: 2,109,779 km (0.104 R)
• M7: 2,534,338 km (0.099 R)
• M8: 4,764,393 km (0.08 R)
• M9: 5,105,327 km (0.102 R)
• M10: 5,647,170 km (0.085 R)
• M11: 8,206,341 km (0.115 R)
• M12: 9,365,275 km (0.1 R)
• M13: 10,515,683 km (0.061 R)
• M14: 14,959,637 km (0.086 R)
• M15: 15,842,714 km (0.117 R)
• M16: 17,073,605 km (0.114 R)
• M17: 19,037,825 km (0.044 R)
• M18: 20,162,502 km (0.076 R)
• M19: 23,507,660 km (0.059 R)
• M20: 24,298,285 km (0.083 R)
• M21: 25,828,372 km (0.09 R)
• M22: 26,564,094 km (0.058 R)
• M23: 28,966,935 km (0.097 R)
• M24: 29,646,708 km (0.101 R)
• M25: 30,453,190 km (0.115 R)
• M26: 32,715,558 km (0.109 R)
• M27: 38,926,264 km (0.111 R)
• M28: 41,159,461 km (0.085 R)
• M29: 45,726,833 km (0.089 R)
• M30: 48,211,355 km (0.068 R)
• M31: 53,617,373 km (0.102 R)
• M32: 60,143,730 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 112.9

Radius: 6.1

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 12.71 AU - 14.93 AU

Year: 18860 Days

Day: 17.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 88,967,395 km

• M1: 165,904 km (0.073 R)
• M2: 709,094 km (0.073 R)
• M3: 1,032,375 km (0.05 R)
• M4: 1,852,171 km (0.116 R)
• M5: 2,600,161 km (0.093 R)
• M6: 6,070,831 km (0.113 R)
• M7: 7,928,837 km (0.073 R)
• M8: 9,526,692 km (0.11 R)
• M9: 12,335,691 km (0.065 R)
• M10: 13,002,149 km (0.066 R)
• M11: 18,213,690 km (0.062 R)
• M12: 18,642,139 km (0.111 R)
• M13: 22,315,066 km (0.116 R)
• M14: 27,176,847 km (0.106 R)
• M15: 31,869,134 km (0.101 R)
• M16: 35,945,975 km (0.096 R)
• M17: 37,761,943 km (0.106 R)
• M18: 39,638,050 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 818.7

Radius: 4.2

Gravity: 46.41 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 13.01 AU - 17.29 AU

Year: 21647 Days

Day: 16.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 88,967,395 km

• M1: 52,210 km (0.114 R)
• M2: 222,452 km (0.094 R)
• M3: 626,516 km (0.119 R)
• M4: 774,468 km (0.102 R)
• M5: 1,726,659 km (0.025 R)
• M6: 2,021,516 km (0.09 R)
• M7: 3,250,463 km (0.103 R)
• M8: 3,794,101 km (0.094 R)
• M9: 4,361,227 km (0.03 R)
• M10: 4,610,457 km (0.102 R)
• M11: 4,794,313 km (0.047 R)
• M12: 7,650,136 km (0.116 R)
• M13: 10,558,767 km (0.092 R)
• M14: 12,013,607 km (0.107 R)
• M15: 13,747,446 km (0.099 R)
• M16: 16,479,103 km (0.068 R)
• M17: 17,170,694 km (0.064 R)
• M18: 17,701,916 km (0.098 R)
• M19: 19,936,759 km (0.03 R)
• M20: 20,424,896 km (0.096 R)
• M21: 21,222,403 km (0.111 R)
• M22: 22,667,668 km (0.115 R)
• M23: 25,752,675 km (0.084 R)
• M24: 26,098,845 km (0.086 R)
• M25: 27,275,581 km (0.103 R)
• M26: 28,610,144 km (0.1 R)
• M27: 37,839,585 km (0.082 R)
• M28: 43,119,492 km (0.102 R)
• M29: 47,473,388 km (0.073 R)
• M30: 48,869,735 km (0.114 R)
• M31: 50,113,791 km (0.095 R)
• M32: 53,036,484 km (0.087 R)
• M33: 59,018,305 km (0.111 R)
• M34: 60,631,867 km (0.049 R)
• M35: 68,920,637 km (0.102 R)
• M36: 72,071,018 km (0.099 R)
• M37: 73,681,589 km (0.098 R)
• M38: 74,379,164 km (0.115 R)
• M39: 76,023,843 km (0.059 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 391.1

Radius: 7.8

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 16.44 AU - 17.78 AU

Year: 25981 Days

Day: 23.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 88,967,395 km

• M1: 108,758 km (0.115 R)
• M2: 541,993 km (0.099 R)
• M3: 1,241,812 km (0.108 R)
• M4: 1,816,268 km (0.083 R)
• M5: 3,716,759 km (0.068 R)
• M6: 10,833,878 km (0.06 R)
• M7: 11,207,573 km (0.108 R)
• M8: 12,179,810 km (0.111 R)
• M9: 12,789,421 km (0.076 R)
• M10: 16,389,644 km (0.093 R)
• M11: 21,871,358 km (0.113 R)
• M12: 22,873,066 km (0.071 R)
• M13: 32,397,663 km (0.091 R)
• M14: 36,402,996 km (0.098 R)
• M15: 54,084,567 km (0.093 R)
• M16: 54,628,654 km (0.091 R)
• M17: 68,596,159 km (0.062 R)
• M18: 70,089,894 km (0.079 R)
• M19: 74,700,949 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 574.4

Radius: 3.6

Gravity: 44.32 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 14.04 AU - 21.6 AU

Year: 27614 Days

Day: 17.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 88,967,395 km

• M1: 56,548 km (0.087 R)
• M2: 206,295 km (0.1 R)
• M3: 369,507 km (0.115 R)
• M4: 788,680 km (0.118 R)
• M5: 1,571,825 km (0.076 R)
• M6: 2,421,690 km (0.06 R)
• M7: 2,850,737 km (0.102 R)
• M8: 4,090,754 km (0.079 R)
• M9: 5,525,098 km (0.057 R)
• M10: 5,864,835 km (0.099 R)
• M11: 6,084,145 km (0.101 R)
• M12: 12,912,091 km (0.065 R)
• M13: 17,665,265 km (0.084 R)
• M14: 18,681,632 km (0.049 R)
• M15: 25,493,572 km (0.062 R)
• M16: 26,550,630 km (0.084 R)
• M17: 28,501,237 km (0.116 R)
• M18: 32,821,773 km (0.062 R)
• M19: 33,234,962 km (0.099 R)
• M20: 36,078,369 km (0.051 R)
• M21: 38,162,417 km (0.111 R)
• M22: 41,758,151 km (0.06 R)
• M23: 52,749,556 km (0.106 R)
• M24: 62,732,521 km (0.081 R)
• M25: 73,902,545 km (0.099 R)
• M26: 77,009,393 km (0.054 R)
• M27: 77,982,528 km (0.095 R)
• M28: 81,202,023 km (0.103 R)
• M29: 84,767,090 km (0.098 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: 506 - 20,397 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit