🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.3

Radius: 12.9

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.59 AU - 0.81 AU

Year: 412 Days

Day: 10.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 46,217,366 km

• M1: 160,369 km (0.106 R)
• M2: 584,180 km (0.111 R)
• M3: 1,400,535 km (0.112 R)
• M4: 2,174,854 km (0.057 R)
• M5: 3,289,208 km (0.098 R)
• M6: 3,758,347 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644

Radius: 11.1

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.98 AU - 1.08 AU

Year: 735 Days

Day: 9.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,217,366 km

• M1: 138,079 km (0.11 R)
• M2: 485,295 km (0.069 R)
• M3: 847,023 km (0.12 R)
• M4: 1,449,155 km (0.098 R)
• M5: 1,801,607 km (0.073 R)
• M6: 2,251,448 km (0.081 R)
• M7: 2,662,393 km (0.056 R)
• M8: 3,111,187 km (0.071 R)
• M9: 3,514,204 km (0.112 R)
• M10: 4,442,608 km (0.083 R)
• M11: 5,024,992 km (0.099 R)
• M12: 6,161,637 km (0.047 R)
• M13: 6,507,059 km (0.059 R)
• M14: 7,808,111 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.5

Radius: 11

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.06 AU - 1.54 AU

Year: 1042 Days

Day: 10 Hours

Environment

Temp: -193 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,217,366 km

• M1: 143,165 km (0.092 R)
• M2: 508,932 km (0.084 R)
• M3: 953,836 km (0.078 R)
• M4: 1,542,653 km (0.09 R)
• M5: 2,719,839 km (0.061 R)
• M6: 3,698,957 km (0.082 R)
• M7: 4,324,426 km (0.074 R)
• M8: 4,830,366 km (0.108 R)
• M9: 5,321,047 km (0.111 R)
• M10: 5,786,894 km (0.087 R)
• M11: 6,822,261 km (0.107 R)
• M12: 7,463,887 km (0.034 R)
• M13: 7,977,007 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.5

Radius: 12.6

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.49 AU - 1.63 AU

Year: 1370 Days

Day: 7.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,217,366 km

• M1: 156,779 km (0.039 R)
• M2: 604,226 km (0.041 R)
• M3: 1,154,896 km (0.11 R)
• M4: 1,893,311 km (0.106 R)
• M5: 2,341,506 km (0.091 R)
• M6: 3,106,699 km (0.043 R)
• M7: 3,752,962 km (0.112 R)
• M8: 4,186,048 km (0.06 R)
• M9: 4,976,373 km (0.09 R)
• M10: 7,504,876 km (0.099 R)
• M11: 8,390,047 km (0.116 R)
• M12: 8,930,544 km (0.094 R)
• M13: 9,893,356 km (0.051 R)
• M14: 10,368,030 km (0.055 R)
• M15: 11,604,157 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.5

Radius: 9.2

Gravity: 7.19 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.43 AU - 1.71 AU

Year: 1383 Days

Day: 11.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,217,366 km

• M1: 114,442 km (0.091 R)
• M2: 521,947 km (0.112 R)
• M3: 1,147,116 km (0.057 R)
• M4: 1,550,582 km (0.059 R)
• M5: 2,025,854 km (0.118 R)
• M6: 2,327,743 km (0.085 R)
• M7: 4,409,996 km (0.119 R)
• M8: 4,727,891 km (0.038 R)
• M9: 8,042,382 km (0.092 R)
• M10: 8,836,597 km (0.115 R)
• M11: 9,496,473 km (0.087 R)
• M12: 10,253,438 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.5

Radius: 11.9

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.6 AU - 1.72 AU

Year: 1503 Days

Day: 7.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,217,366 km

• M1: 147,952 km (0.118 R)
• M2: 693,386 km (0.119 R)
• M3: 1,356,105 km (0.071 R)
• M4: 1,798,466 km (0.102 R)
• M5: 2,264,463 km (0.099 R)
• M6: 4,357,188 km (0.103 R)
• M7: 5,037,559 km (0.035 R)
• M8: 6,335,769 km (0.092 R)
• M9: 6,763,320 km (0.067 R)
• M10: 8,250,921 km (0.119 R)
• M11: 8,792,166 km (0.069 R)
• M12: 9,846,382 km (0.077 R)
• M13: 10,840,610 km (0.028 R)
• M14: 14,397,000 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.9

Radius: 10.3

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.99 AU - 4.09 AU

Year: 4682 Days

Day: 6 Hours

Environment

Temp: -213 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 46,217,366 km

• M1: 131,048 km (0.073 R)
• M2: 628,461 km (0.117 R)
• M3: 969,843 km (0.095 R)
• M4: 1,501,364 km (0.101 R)
• M5: 1,940,584 km (0.098 R)
• M6: 2,347,041 km (0.068 R)
• M7: 2,826,652 km (0.1 R)
• M8: 3,560,579 km (0.091 R)
• M9: 3,920,960 km (0.091 R)
• M10: 4,261,744 km (0.113 R)
• M11: 5,126,420 km (0.11 R)
• M12: 7,552,149 km (0.072 R)
• M13: 7,914,027 km (0.114 R)
• M14: 8,253,015 km (0.071 R)
• M15: 8,887,609 km (0.111 R)
• M16: 9,254,124 km (0.051 R)
• M17: 10,294,278 km (0.069 R)
• M18: 12,333,297 km (0.058 R)
• M19: 12,836,096 km (0.102 R)
• M20: 13,447,951 km (0.059 R)
• M21: 14,577,714 km (0.04 R)
• M22: 18,822,254 km (0.05 R)
• M23: 20,234,458 km (0.103 R)
• M24: 21,322,783 km (0.049 R)
• M25: 21,716,076 km (0.108 R)
• M26: 22,652,708 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 866.9

Radius: 7.3

Gravity: 16.27 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 6.82 AU - 9.1 AU

Year: 15786 Days

Day: 17.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 46,217,366 km

• M1: 90,806 km (0.089 R)
• M2: 337,343 km (0.063 R)
• M3: 579,991 km (0.107 R)
• M4: 828,174 km (0.104 R)
• M5: 1,061,247 km (0.099 R)
• M6: 2,874,373 km (0.059 R)
• M7: 3,311,798 km (0.102 R)
• M8: 3,733,963 km (0.08 R)
• M9: 4,450,237 km (0.1 R)
• M10: 6,616,714 km (0.115 R)
• M11: 7,567,109 km (0.098 R)
• M12: 8,761,199 km (0.03 R)
• M13: 10,601,552 km (0.111 R)
• M14: 11,206,676 km (0.096 R)
• M15: 11,517,690 km (0.066 R)
• M16: 13,023,392 km (0.06 R)
• M17: 14,073,420 km (0.102 R)
• M18: 17,728,395 km (0.082 R)
• M19: 21,299,745 km (0.097 R)
• M20: 26,075,806 km (0.049 R)
• M21: 29,471,080 km (0.09 R)
• M22: 30,064,086 km (0.052 R)
• M23: 33,277,448 km (0.112 R)
• M24: 37,676,074 km (0.099 R)
• M25: 51,953,545 km (0.096 R)
• M26: 57,106,594 km (0.091 R)
• M27: 59,523,198 km (0.092 R)
• M28: 68,621,441 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 649.8

Radius: 4.7

Gravity: 29.42 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 9.66 AU - 9.74 AU

Year: 21236 Days

Day: 15.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 46,217,366 km

• M1: 58,493 km (0.064 R)
• M2: 237,262 km (0.12 R)
• M3: 427,102 km (0.097 R)
• M4: 661,971 km (0.059 R)
• M5: 1,230,143 km (0.111 R)
• M6: 2,242,921 km (0.098 R)
• M7: 2,654,315 km (0.049 R)
• M8: 3,279,036 km (0.103 R)
• M9: 3,901,812 km (0.089 R)
• M10: 4,358,684 km (0.1 R)
• M11: 4,814,059 km (0.113 R)
• M12: 6,591,881 km (0.12 R)
• M13: 9,603,585 km (0.086 R)
• M14: 12,644,910 km (0.106 R)
• M15: 16,852,948 km (0.096 R)
• M16: 18,499,572 km (0.119 R)
• M17: 22,310,578 km (0.092 R)
• M18: 23,130,823 km (0.079 R)
• M19: 28,359,867 km (0.109 R)
• M20: 32,729,172 km (0.089 R)
• M21: 37,958,365 km (0.11 R)
• M22: 38,247,987 km (0.077 R)
• M23: 38,685,261 km (0.075 R)
• M24: 41,226,480 km (0.057 R)
• M25: 42,149,200 km (0.078 R)
• M26: 42,304,333 km (0.089 R)
• M27: 45,000,087 km (0.076 R)
• M28: 45,162,101 km (0.102 R)
• M29: 45,978,307 km (0.109 R)
• M30: 50,206,691 km (0.104 R)
• M31: 51,435,488 km (0.097 R)
• M32: 55,241,856 km (0.111 R)
• M33: 62,397,721 km (0.072 R)
• M34: 77,577,865 km (0.115 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 113.4

Radius: 3.5

Gravity: 9.26 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 8.26 AU - 12.36 AU

Year: 23270 Days

Day: 22.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 46,217,366 km

• M1: 66,272 km (0.107 R)
• M2: 345,421 km (0.094 R)
• M3: 1,090,120 km (0.058 R)
• M4: 2,824,857 km (0.114 R)
• M5: 3,156,515 km (0.106 R)
• M6: 3,391,683 km (0.074 R)
• M7: 4,057,842 km (0.071 R)
• M8: 4,567,223 km (0.102 R)
• M9: 7,395,371 km (0.106 R)
• M10: 9,478,521 km (0.111 R)
• M11: 10,994,845 km (0.054 R)
• M12: 14,690,511 km (0.118 R)
• M13: 15,745,774 km (0.048 R)
• M14: 16,921,314 km (0.05 R)
• M15: 17,712,238 km (0.075 R)
• M16: 19,136,111 km (0.109 R)
• M17: 22,124,328 km (0.067 R)
• M18: 29,617,985 km (0.067 R)
• M19: 34,042,043 km (0.11 R)
• M20: 36,944,690 km (0.049 R)
• M21: 39,382,387 km (0.08 R)
• M22: 42,054,953 km (0.049 R)
• M23: 44,981,836 km (0.08 R)
• M24: 45,528,167 km (0.096 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 190 - 12,673 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit