🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.3

Radius: 9.4

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.76 AU - 1.02 AU

Year: 560 Days

Day: 13.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,288,912 km

• M1: 116,986 km (0.101 R)
• M2: 481,406 km (0.087 R)
• M3: 826,678 km (0.107 R)
• M4: 1,158,187 km (0.074 R)
• M5: 1,698,235 km (0.116 R)
• M6: 1,997,132 km (0.06 R)
• M7: 2,302,910 km (0.12 R)
• M8: 2,661,047 km (0.099 R)
• M9: 3,256,446 km (0.106 R)
• M10: 3,670,384 km (0.082 R)
• M11: 4,604,174 km (0.089 R)
• M12: 5,176,386 km (0.091 R)
• M13: 5,479,920 km (0.066 R)
• M14: 5,921,233 km (0.094 R)
• M15: 6,617,761 km (0.08 R)

Asteroid Belt

Center: 1.74 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.5

Radius: 12.3

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.13 AU - 3.03 AU

Year: 2763 Days

Day: 7.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,288,912 km

• M1: 153,039 km (0.079 R)
• M2: 650,900 km (0.117 R)
• M3: 1,038,658 km (0.104 R)
• M4: 1,927,718 km (0.113 R)
• M5: 2,556,927 km (0.113 R)
• M6: 3,288,161 km (0.067 R)
• M7: 4,552,862 km (0.065 R)
• M8: 5,361,737 km (0.113 R)
• M9: 5,859,001 km (0.109 R)
• M10: 6,436,299 km (0.109 R)
• M11: 7,051,445 km (0.115 R)
• M12: 7,538,237 km (0.087 R)
• M13: 8,018,446 km (0.038 R)
• M14: 9,261,455 km (0.031 R)
• M15: 10,181,481 km (0.112 R)
• M16: 11,416,113 km (0.116 R)
• M17: 12,827,269 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.5

Radius: 11

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.8 AU - 3.96 AU

Year: 4144 Days

Day: 5.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 81,288,912 km

• M1: 138,528 km (0.077 R)
• M2: 620,981 km (0.073 R)
• M3: 1,144,723 km (0.112 R)
• M4: 1,687,763 km (0.074 R)
• M5: 2,206,419 km (0.094 R)
• M6: 2,705,178 km (0.103 R)
• M7: 3,174,616 km (0.092 R)
• M8: 3,716,909 km (0.085 R)
• M9: 4,071,306 km (0.119 R)
• M10: 4,579,340 km (0.083 R)
• M11: 5,249,389 km (0.096 R)
• M12: 5,852,269 km (0.103 R)
• M13: 6,197,690 km (0.081 R)
• M14: 7,562,621 km (0.11 R)
• M15: 8,037,744 km (0.099 R)
• M16: 9,584,137 km (0.071 R)
• M17: 10,141,090 km (0.077 R)
• M18: 10,641,345 km (0.069 R)
• M19: 11,037,181 km (0.057 R)
• M20: 12,588,212 km (0.073 R)
• M21: 15,105,795 km (0.099 R)
• M22: 15,963,290 km (0.032 R)
• M23: 17,830,720 km (0.088 R)
• M24: 18,221,021 km (0.081 R)
• M25: 19,367,688 km (0.119 R)
• M26: 19,720,889 km (0.034 R)
• M27: 20,078,428 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.8

Radius: 12.4

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.03 AU - 4.33 AU

Year: 4708 Days

Day: 10.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 81,288,912 km

• M1: 154,385 km (0.097 R)
• M2: 635,492 km (0.098 R)
• M3: 1,183,918 km (0.102 R)
• M4: 1,588,281 km (0.09 R)
• M5: 2,778,631 km (0.082 R)
• M6: 4,647,407 km (0.098 R)
• M7: 5,650,760 km (0.1 R)
• M8: 6,527,105 km (0.099 R)
• M9: 7,348,397 km (0.062 R)
• M10: 7,821,425 km (0.083 R)
• M11: 9,031,971 km (0.089 R)
• M12: 9,703,815 km (0.111 R)
• M13: 10,544,705 km (0.116 R)
• M14: 11,006,514 km (0.115 R)
• M15: 13,521,254 km (0.075 R)
• M16: 16,153,279 km (0.103 R)
• M17: 16,955,123 km (0.079 R)
• M18: 18,108,972 km (0.097 R)
• M19: 22,867,082 km (0.053 R)
• M20: 23,878,064 km (0.106 R)
• M21: 28,576,634 km (0.114 R)
• M22: 30,766,747 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.9

Radius: 11.6

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 4.04 AU - 5.66 AU

Year: 7123 Days

Day: 14.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 81,288,912 km

• M1: 144,362 km (0.06 R)
• M2: 696,378 km (0.088 R)
• M3: 1,171,202 km (0.062 R)
• M4: 1,772,585 km (0.101 R)
• M5: 3,055,237 km (0.111 R)
• M6: 4,231,825 km (0.062 R)
• M7: 4,704,105 km (0.088 R)
• M8: 5,180,574 km (0.079 R)
• M9: 6,371,523 km (0.064 R)
• M10: 7,496,648 km (0.099 R)
• M11: 10,040,859 km (0.098 R)
• M12: 11,455,158 km (0.087 R)
• M13: 12,045,621 km (0.093 R)
• M14: 15,501,182 km (0.104 R)
• M15: 19,341,957 km (0.073 R)
• M16: 20,025,620 km (0.084 R)
• M17: 21,441,564 km (0.093 R)
• M18: 23,774,991 km (0.115 R)
• M19: 29,039,639 km (0.106 R)
• M20: 32,311,794 km (0.075 R)
• M21: 33,927,002 km (0.098 R)
• M22: 34,477,223 km (0.1 R)
• M23: 35,708,563 km (0.106 R)
• M24: 37,434,773 km (0.076 R)
• M25: 39,336,611 km (0.107 R)
• M26: 40,557,479 km (0.057 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 248.6

Radius: 5.7

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 7.38 AU - 10.9 AU

Year: 18427 Days

Day: 15.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 81,288,912 km

• M1: 73,303 km (0.049 R)
• M2: 284,984 km (0.096 R)
• M3: 1,114,953 km (0.052 R)
• M4: 1,374,954 km (0.091 R)
• M5: 1,915,152 km (0.111 R)
• M6: 3,530,659 km (0.116 R)
• M7: 3,712,271 km (0.085 R)
• M8: 4,747,189 km (0.096 R)
• M9: 11,266,814 km (0.05 R)
• M10: 12,659,869 km (0.11 R)
• M11: 13,713,637 km (0.046 R)
• M12: 16,637,826 km (0.116 R)
• M13: 18,052,873 km (0.116 R)
• M14: 19,305,156 km (0.109 R)
• M15: 19,627,091 km (0.092 R)
• M16: 19,870,786 km (0.059 R)
• M17: 23,958,697 km (0.059 R)
• M18: 25,181,062 km (0.12 R)
• M19: 26,051,272 km (0.117 R)
• M20: 27,141,841 km (0.116 R)
• M21: 29,413,933 km (0.074 R)
• M22: 30,923,825 km (0.061 R)
• M23: 32,033,542 km (0.119 R)
• M24: 33,980,708 km (0.115 R)
• M25: 35,281,611 km (0.103 R)
• M26: 36,370,534 km (0.063 R)
• M27: 41,348,851 km (0.108 R)
• M28: 42,152,940 km (0.11 R)
• M29: 50,623,022 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 718.5

Radius: 3.5

Gravity: 58.65 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 8.95 AU - 11.35 AU

Year: 21564 Days

Day: 15.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 81,288,912 km

• M1: 43,683 km (0.106 R)
• M2: 323,281 km (0.066 R)
• M3: 435,629 km (0.101 R)
• M4: 1,166,714 km (0.106 R)
• M5: 1,678,488 km (0.101 R)
• M6: 2,150,619 km (0.053 R)
• M7: 2,303,658 km (0.091 R)
• M8: 3,125,399 km (0.033 R)
• M9: 3,929,637 km (0.082 R)
• M10: 4,643,967 km (0.056 R)
• M11: 5,361,139 km (0.052 R)
• M12: 5,521,059 km (0.099 R)
• M13: 5,892,511 km (0.106 R)
• M14: 7,446,982 km (0.041 R)
• M15: 7,951,576 km (0.078 R)
• M16: 8,695,825 km (0.106 R)
• M17: 8,861,131 km (0.065 R)
• M18: 13,051,217 km (0.087 R)
• M19: 14,083,443 km (0.088 R)
• M20: 16,225,684 km (0.083 R)
• M21: 16,814,651 km (0.117 R)
• M22: 20,165,793 km (0.052 R)
• M23: 23,507,510 km (0.103 R)
• M24: 25,253,018 km (0.059 R)
• M25: 27,083,049 km (0.118 R)
• M26: 27,553,983 km (0.062 R)
• M27: 28,755,104 km (0.073 R)
• M28: 34,182,066 km (0.079 R)
• M29: 34,318,948 km (0.108 R)
• M30: 36,274,342 km (0.114 R)
• M31: 43,220,620 km (0.119 R)
• M32: 47,854,863 km (0.087 R)
• M33: 51,540,057 km (0.048 R)
• M34: 55,978,177 km (0.085 R)
• M35: 60,264,006 km (0.083 R)
• M36: 60,664,181 km (0.106 R)
• M37: 61,469,765 km (0.104 R)
• M38: 67,309,468 km (0.047 R)
• M39: 71,475,918 km (0.12 R)
• M40: 72,374,403 km (0.102 R)
• M41: 74,193,962 km (0.109 R)
• M42: 74,653,676 km (0.112 R)
• M43: 77,687,371 km (0.049 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 262 - 19,145 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit