🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.09 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.1 AU - 2.26 AU

Year: 1219 Days

Day: 44.6 Hours

Environment

Temp: -95 °C

Axial Tilt: 7.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.83 AU - 2.73 AU

Year: 1304 Days

Day: 40.2 Hours

Environment

Temp: -91 °C

Axial Tilt: 96.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.43 AU - 3.93 AU

Year: 2148 Days

Day: 47.4 Hours

Environment

Temp: -117 °C

Axial Tilt: 24.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 3.02 AU - 4.98 AU

Year: 3030 Days

Day: 21.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 29.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.7

Radius: 14

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 4.14 AU - 4.5 AU

Year: 3401 Days

Day: 11.3 Hours

Environment

Temp: -132 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 87,131,579 km

• M1: 174,282 km (0.117 R)
• M2: 754,272 km (0.046 R)
• M3: 1,194,389 km (0.107 R)
• M4: 1,876,406 km (0.102 R)
• M5: 2,323,853 km (0.081 R)
• M6: 5,295,765 km (0.108 R)
• M7: 6,411,765 km (0.105 R)
• M8: 10,706,121 km (0.102 R)
• M9: 12,626,210 km (0.081 R)
• M10: 13,643,326 km (0.084 R)
• M11: 18,264,404 km (0.109 R)
• M12: 20,926,349 km (0.054 R)
• M13: 23,621,055 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.1

Radius: 11.1

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 3.96 AU - 6.02 AU

Year: 4222 Days

Day: 9.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 87,131,579 km

• M1: 138,079 km (0.099 R)
• M2: 518,057 km (0.081 R)
• M3: 885,769 km (0.11 R)
• M4: 1,246,150 km (0.072 R)
• M5: 1,624,334 km (0.111 R)
• M6: 2,400,148 km (0.047 R)
• M7: 3,272,603 km (0.114 R)
• M8: 3,813,998 km (0.107 R)
• M9: 4,185,000 km (0.116 R)
• M10: 5,102,783 km (0.113 R)
• M11: 5,472,889 km (0.084 R)
• M12: 6,631,075 km (0.106 R)
• M13: 7,105,300 km (0.102 R)
• M14: 7,669,883 km (0.036 R)
• M15: 8,889,105 km (0.116 R)
• M16: 9,466,404 km (0.062 R)
• M17: 9,864,932 km (0.077 R)
• M18: 10,399,894 km (0.119 R)
• M19: 11,936,713 km (0.119 R)
• M20: 12,449,684 km (0.064 R)
• M21: 15,510,756 km (0.047 R)
• M22: 18,357,454 km (0.045 R)
• M23: 18,978,435 km (0.106 R)
• M24: 19,357,815 km (0.073 R)
• M25: 21,672,393 km (0.066 R)
• M26: 22,506,850 km (0.108 R)
• M27: 24,836,687 km (0.055 R)
• M28: 25,443,307 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 630.6

Radius: 3.6

Gravity: 48.66 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 11.47 AU - 13.43 AU

Year: 16638 Days

Day: 21.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 87,131,579 km

• M1: 60,438 km (0.101 R)
• M2: 252,671 km (0.061 R)
• M3: 377,735 km (0.12 R)
• M4: 500,704 km (0.086 R)
• M5: 810,072 km (0.115 R)
• M6: 1,104,331 km (0.119 R)
• M7: 1,332,618 km (0.074 R)
• M8: 2,031,838 km (0.109 R)
• M9: 2,616,317 km (0.114 R)
• M10: 2,898,309 km (0.116 R)
• M11: 4,076,991 km (0.053 R)
• M12: 4,232,124 km (0.103 R)
• M13: 6,665,632 km (0.098 R)
• M14: 7,462,989 km (0.094 R)
• M15: 7,695,165 km (0.043 R)
• M16: 9,785,346 km (0.082 R)
• M17: 10,119,997 km (0.103 R)
• M18: 10,233,242 km (0.114 R)
• M19: 11,412,223 km (0.103 R)
• M20: 11,534,893 km (0.116 R)
• M21: 12,289,465 km (0.113 R)
• M22: 15,263,770 km (0.115 R)
• M23: 16,326,962 km (0.119 R)
• M24: 19,634,870 km (0.064 R)
• M25: 24,161,402 km (0.115 R)
• M26: 24,465,385 km (0.119 R)
• M27: 25,917,831 km (0.102 R)
• M28: 26,989,700 km (0.109 R)
• M29: 29,336,442 km (0.072 R)
• M30: 31,573,528 km (0.051 R)
• M31: 33,418,070 km (0.057 R)
• M32: 34,430,698 km (0.093 R)
• M33: 34,815,613 km (0.075 R)
• M34: 35,333,222 km (0.099 R)
• M35: 37,590,654 km (0.093 R)
• M36: 38,409,852 km (0.032 R)
• M37: 39,942,332 km (0.115 R)
• M38: 40,795,339 km (0.06 R)
• M39: 44,479,785 km (0.113 R)
• M40: 59,022,942 km (0.117 R)
• M41: 63,336,746 km (0.107 R)
• M42: 65,472,107 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 361.5

Radius: 7.4

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 11.45 AU - 15.05 AU

Year: 18267 Days

Day: 24 Hours

Environment

Temp: -184 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 87,131,579 km

• M1: 92,152 km (0.111 R)
• M2: 612,154 km (0.082 R)
• M3: 931,546 km (0.119 R)
• M4: 2,003,564 km (0.045 R)
• M5: 2,902,199 km (0.098 R)
• M6: 4,881,827 km (0.107 R)
• M7: 5,358,297 km (0.111 R)
• M8: 6,168,967 km (0.049 R)
• M9: 6,563,457 km (0.07 R)
• M10: 7,143,897 km (0.089 R)
• M11: 7,894,130 km (0.088 R)
• M12: 9,759,615 km (0.116 R)
• M13: 12,204,194 km (0.064 R)
• M14: 13,732,486 km (0.112 R)
• M15: 15,671,723 km (0.079 R)
• M16: 18,343,841 km (0.057 R)
• M17: 22,206,308 km (0.119 R)
• M18: 25,965,104 km (0.055 R)
• M19: 36,213,157 km (0.08 R)
• M20: 43,929,714 km (0.051 R)
• M21: 45,240,490 km (0.059 R)
• M22: 47,634,505 km (0.107 R)
• M23: 50,585,772 km (0.112 R)
• M24: 53,491,860 km (0.097 R)
• M25: 54,152,484 km (0.117 R)
• M26: 56,678,295 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 426.2

Radius: 7.8

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 16.33 AU - 21.43 AU

Year: 31071 Days

Day: 25 Hours

Environment

Temp: -213 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 87,131,579 km

• M1: 97,239 km (0.073 R)
• M2: 532,120 km (0.085 R)
• M3: 938,128 km (0.117 R)
• M4: 1,506,451 km (0.104 R)
• M5: 2,843,407 km (0.083 R)
• M6: 3,310,900 km (0.091 R)
• M7: 4,157,624 km (0.083 R)
• M8: 4,650,100 km (0.111 R)
• M9: 4,910,550 km (0.066 R)
• M10: 5,625,478 km (0.105 R)
• M11: 5,964,766 km (0.107 R)
• M12: 6,778,280 km (0.085 R)
• M13: 9,843,091 km (0.062 R)
• M14: 10,149,617 km (0.067 R)
• M15: 13,275,764 km (0.045 R)
• M16: 15,463,633 km (0.099 R)
• M17: 16,729,530 km (0.119 R)
• M18: 17,343,330 km (0.073 R)
• M19: 19,274,938 km (0.118 R)
• M20: 19,949,474 km (0.05 R)
• M21: 20,342,019 km (0.076 R)
• M22: 25,923,665 km (0.102 R)
• M23: 27,827,298 km (0.066 R)
• M24: 31,116,208 km (0.108 R)
• M25: 34,233,977 km (0.079 R)
• M26: 37,405,302 km (0.065 R)
• M27: 39,831,181 km (0.094 R)
• M28: 43,335,212 km (0.051 R)
• M29: 51,315,211 km (0.118 R)
• M30: 73,546,203 km (0.115 R)
• M31: 77,823,804 km (0.087 R)
• M32: 80,765,796 km (0.042 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 415 - 19,741 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit