🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.3

Radius: 8.8

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.52 AU - 0.58 AU

Year: 272 Days

Day: 14.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,674,195 km

• M1: 111,301 km (0.036 R)
• M2: 408,552 km (0.099 R)
• M3: 740,210 km (0.042 R)
• M4: 1,099,844 km (0.117 R)
• M5: 1,514,379 km (0.086 R)
• M6: 1,907,522 km (0.029 R)
• M7: 2,254,141 km (0.098 R)
• M8: 2,733,003 km (0.08 R)
• M9: 3,175,813 km (0.028 R)
• M10: 3,665,896 km (0.058 R)
• M11: 4,047,819 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.7

Radius: 11.8

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.53 AU - 0.59 AU

Year: 279 Days

Day: 10.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,674,195 km

• M1: 147,354 km (0.053 R)
• M2: 557,402 km (0.099 R)
• M3: 968,197 km (0.072 R)
• M4: 1,611,319 km (0.085 R)
• M5: 2,061,758 km (0.106 R)
• M6: 2,431,265 km (0.119 R)
• M7: 3,110,888 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.2

Radius: 13.7

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.21 AU - 1.77 AU

Year: 1213 Days

Day: 13.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,674,195 km

• M1: 170,392 km (0.11 R)
• M2: 652,845 km (0.047 R)
• M3: 1,129,314 km (0.104 R)
• M4: 1,644,081 km (0.089 R)
• M5: 2,419,895 km (0.11 R)
• M6: 4,795,809 km (0.055 R)
• M7: 5,870,370 km (0.09 R)
• M8: 6,523,215 km (0.07 R)
• M9: 6,976,796 km (0.091 R)
• M10: 7,894,429 km (0.083 R)
• M11: 8,691,038 km (0.045 R)
• M12: 10,189,709 km (0.106 R)
• M13: 10,736,639 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.7

Radius: 12.8

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.62 AU - 1.88 AU

Year: 1544 Days

Day: 7.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,674,195 km

• M1: 165,156 km (0.099 R)
• M2: 823,985 km (0.099 R)
• M3: 1,345,184 km (0.103 R)
• M4: 1,768,845 km (0.051 R)
• M5: 2,283,312 km (0.112 R)
• M6: 2,872,878 km (0.043 R)
• M7: 3,397,068 km (0.114 R)
• M8: 4,030,615 km (0.045 R)
• M9: 6,541,616 km (0.093 R)
• M10: 7,224,979 km (0.076 R)
• M11: 8,890,901 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.3

Radius: 13.5

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 4.55 AU - 4.77 AU

Year: 6708 Days

Day: 10.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,674,195 km

• M1: 184,005 km (0.054 R)
• M2: 675,734 km (0.057 R)
• M3: 1,104,930 km (0.079 R)
• M4: 1,864,139 km (0.088 R)
• M5: 3,645,700 km (0.076 R)
• M6: 4,580,238 km (0.114 R)
• M7: 8,491,175 km (0.108 R)
• M8: 9,636,048 km (0.073 R)
• M9: 20,824,772 km (0.066 R)
• M10: 21,267,432 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.4

Radius: 13.7

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 4.23 AU - 6.19 AU

Year: 7930 Days

Day: 14.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,674,195 km

• M1: 170,392 km (0.057 R)
• M2: 607,816 km (0.092 R)
• M3: 1,363,435 km (0.096 R)
• M4: 1,833,322 km (0.062 R)
• M5: 2,505,166 km (0.108 R)
• M6: 3,069,898 km (0.105 R)
• M7: 3,500,740 km (0.086 R)
• M8: 4,291,813 km (0.104 R)
• M9: 5,583,591 km (0.087 R)
• M10: 6,777,382 km (0.051 R)
• M11: 7,636,523 km (0.085 R)
• M12: 8,092,646 km (0.092 R)
• M13: 9,810,778 km (0.117 R)
• M14: 10,300,861 km (0.088 R)
• M15: 13,774,972 km (0.065 R)
• M16: 17,675,736 km (0.107 R)
• M17: 21,760,057 km (0.103 R)
• M18: 22,511,188 km (0.049 R)
• M19: 25,505,839 km (0.111 R)
• M20: 28,856,382 km (0.075 R)
• M21: 29,560,090 km (0.06 R)
• M22: 30,069,770 km (0.079 R)
• M23: 32,815,041 km (0.088 R)
• M24: 33,251,867 km (0.079 R)
• M25: 33,803,135 km (0.083 R)
• M26: 37,954,775 km (0.114 R)
• M27: 43,738,977 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 655.4

Radius: 4.5

Gravity: 32.37 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 5.82 AU - 6.1 AU

Year: 9703 Days

Day: 24.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 64,674,195 km

• M1: 55,950 km (0.096 R)
• M2: 238,309 km (0.113 R)
• M3: 671,395 km (0.104 R)
• M4: 831,615 km (0.091 R)
• M5: 1,367,773 km (0.085 R)
• M6: 1,938,040 km (0.092 R)
• M7: 2,249,354 km (0.057 R)
• M8: 2,841,013 km (0.116 R)
• M9: 3,242,534 km (0.112 R)
• M10: 3,384,502 km (0.103 R)
• M11: 4,795,360 km (0.106 R)
• M12: 6,594,723 km (0.107 R)
• M13: 6,823,159 km (0.043 R)
• M14: 8,132,290 km (0.09 R)
• M15: 9,407,761 km (0.069 R)
• M16: 11,950,626 km (0.099 R)
• M17: 13,409,056 km (0.113 R)
• M18: 13,653,050 km (0.105 R)
• M19: 17,241,603 km (0.042 R)
• M20: 18,265,152 km (0.112 R)
• M21: 19,718,196 km (0.12 R)
• M22: 21,246,488 km (0.112 R)
• M23: 21,745,098 km (0.058 R)
• M24: 23,640,054 km (0.098 R)
• M25: 26,588,778 km (0.103 R)
• M26: 30,084,431 km (0.067 R)
• M27: 31,995,993 km (0.112 R)
• M28: 33,203,247 km (0.072 R)
• M29: 42,123,918 km (0.027 R)
• M30: 44,107,885 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 479.4

Radius: 7.7

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 6.2 AU - 7.1 AU

Year: 11436 Days

Day: 23.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 64,674,195 km

• M1: 96,341 km (0.086 R)
• M2: 375,790 km (0.116 R)
• M3: 1,193,641 km (0.086 R)
• M4: 1,734,587 km (0.056 R)
• M5: 2,604,200 km (0.119 R)
• M6: 3,001,681 km (0.096 R)
• M7: 3,512,109 km (0.077 R)
• M8: 3,762,536 km (0.115 R)
• M9: 4,106,162 km (0.106 R)
• M10: 5,901,038 km (0.063 R)
• M11: 6,329,187 km (0.116 R)
• M12: 7,049,201 km (0.028 R)
• M13: 8,078,285 km (0.112 R)
• M14: 8,651,394 km (0.109 R)
• M15: 9,063,836 km (0.048 R)
• M16: 10,228,006 km (0.083 R)
• M17: 11,164,339 km (0.072 R)
• M18: 12,616,037 km (0.11 R)
• M19: 13,630,760 km (0.099 R)
• M20: 14,252,488 km (0.077 R)
• M21: 14,570,384 km (0.036 R)
• M22: 15,485,624 km (0.11 R)
• M23: 18,162,677 km (0.091 R)
• M24: 21,380,976 km (0.106 R)
• M25: 22,390,463 km (0.07 R)
• M26: 25,237,161 km (0.114 R)
• M27: 25,890,455 km (0.087 R)
• M28: 30,467,850 km (0.097 R)
• M29: 36,496,345 km (0.072 R)
• M30: 36,852,837 km (0.112 R)
• M31: 43,807,193 km (0.044 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 845.9

Radius: 7.6

Gravity: 14.65 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 6.65 AU - 7.05 AU

Year: 11955 Days

Day: 17 Hours

Environment

Temp: -220 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 64,674,195 km

• M1: 94,546 km (0.119 R)
• M2: 835,504 km (0.09 R)
• M3: 1,405,322 km (0.059 R)
• M4: 1,687,464 km (0.086 R)
• M5: 2,135,360 km (0.12 R)
• M6: 3,218,149 km (0.069 R)
• M7: 5,088,422 km (0.061 R)
• M8: 6,733,251 km (0.118 R)
• M9: 7,587,006 km (0.045 R)
• M10: 10,305,498 km (0.079 R)
• M11: 11,146,687 km (0.081 R)
• M12: 12,338,384 km (0.086 R)
• M13: 13,944,616 km (0.103 R)
• M14: 17,102,029 km (0.11 R)
• M15: 17,880,985 km (0.089 R)
• M16: 18,846,489 km (0.069 R)
• M17: 19,677,356 km (0.079 R)
• M18: 24,492,911 km (0.095 R)
• M19: 25,182,408 km (0.065 R)
• M20: 25,481,903 km (0.051 R)
• M21: 26,087,924 km (0.119 R)
• M22: 28,716,957 km (0.107 R)
• M23: 29,594,199 km (0.12 R)
• M24: 37,136,923 km (0.047 R)
• M25: 40,865,202 km (0.062 R)
• M26: 43,246,351 km (0.039 R)
• M27: 44,108,334 km (0.097 R)
• M28: 46,313,556 km (0.113 R)
• M29: 49,055,535 km (0.102 R)
• M30: 49,679,209 km (0.1 R)
• M31: 51,582,094 km (0.094 R)
• M32: 52,877,312 km (0.109 R)
• M33: 53,862,863 km (0.086 R)
• M34: 54,860,681 km (0.068 R)
• M35: 55,195,930 km (0.092 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 490.7

Radius: 5.3

Gravity: 17.47 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 8.22 AU - 10.12 AU

Year: 18518 Days

Day: 21.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,674,195 km

• M1: 65,973 km (0.092 R)
• M2: 232,026 km (0.066 R)
• M3: 1,099,844 km (0.094 R)
• M4: 2,222,875 km (0.03 R)
• M5: 3,445,837 km (0.117 R)
• M6: 4,139,074 km (0.055 R)
• M7: 4,921,321 km (0.095 R)
• M8: 5,457,630 km (0.054 R)
• M9: 5,875,157 km (0.103 R)
• M10: 7,345,854 km (0.081 R)
• M11: 9,903,977 km (0.117 R)
• M12: 10,467,213 km (0.119 R)
• M13: 13,067,075 km (0.091 R)
• M14: 13,267,686 km (0.072 R)
• M15: 13,951,647 km (0.064 R)
• M16: 14,803,009 km (0.093 R)
• M17: 19,497,689 km (0.104 R)
• M18: 19,672,270 km (0.094 R)
• M19: 29,676,777 km (0.091 R)
• M20: 32,284,567 km (0.104 R)
• M21: 33,021,486 km (0.033 R)
• M22: 34,656,441 km (0.032 R)
• M23: 36,608,993 km (0.118 R)
• M24: 38,359,437 km (0.097 R)
• M25: 39,047,438 km (0.115 R)
• M26: 41,447,736 km (0.058 R)
• M27: 47,796,071 km (0.038 R)
• M28: 53,046,358 km (0.104 R)
• M29: 63,901,927 km (0.101 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: 454 - 18,348 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit