🌌 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: 447.3

Radius: 13.5

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.63 AU - 0.77 AU

Year: 404 Days

Day: 5.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,256,061 km

• M1: 168,148 km (0.075 R)
• M2: 596,148 km (0.115 R)
• M3: 1,139,337 km (0.118 R)
• M4: 1,708,408 km (0.089 R)
• M5: 2,139,698 km (0.063 R)
• M6: 2,644,741 km (0.1 R)
• M7: 3,083,212 km (0.11 R)
• M8: 3,997,405 km (0.11 R)
• M9: 4,525,336 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.6

Radius: 9.1

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.76 AU - 0.78 AU

Year: 466 Days

Day: 5.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 52,256,061 km

• M1: 113,246 km (0.072 R)
• M2: 554,410 km (0.086 R)
• M3: 936,632 km (0.041 R)
• M4: 1,339,499 km (0.099 R)
• M5: 1,970,354 km (0.114 R)
• M6: 2,328,491 km (0.029 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.2

Radius: 9.9

Gravity: 8.81 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.21 AU - 1.43 AU

Year: 1047 Days

Day: 10.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,256,061 km

• M1: 123,119 km (0.108 R)
• M2: 517,309 km (0.073 R)
• M3: 948,002 km (0.071 R)
• M4: 1,429,108 km (0.102 R)
• M5: 1,954,646 km (0.086 R)
• M6: 2,531,645 km (0.108 R)
• M7: 2,994,949 km (0.111 R)
• M8: 3,575,539 km (0.106 R)
• M9: 4,075,644 km (0.084 R)
• M10: 4,677,327 km (0.076 R)
• M11: 5,337,203 km (0.097 R)
• M12: 5,926,170 km (0.115 R)
• M13: 6,236,586 km (0.086 R)
• M14: 6,842,008 km (0.118 R)
• M15: 7,233,805 km (0.084 R)
• M16: 9,632,756 km (0.112 R)
• M17: 10,378,352 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.4

Radius: 9.4

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.61 AU - 1.61 AU

Year: 1410 Days

Day: 10.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,256,061 km

• M1: 117,135 km (0.059 R)
• M2: 429,645 km (0.06 R)
• M3: 848,818 km (0.094 R)
• M4: 1,205,160 km (0.059 R)
• M5: 1,661,733 km (0.113 R)
• M6: 2,118,605 km (0.044 R)
• M7: 2,696,502 km (0.072 R)
• M8: 3,484,434 km (0.115 R)
• M9: 4,272,814 km (0.108 R)
• M10: 4,777,109 km (0.109 R)
• M11: 6,773,642 km (0.09 R)
• M12: 7,124,000 km (0.082 R)
• M13: 7,565,613 km (0.117 R)
• M14: 8,503,592 km (0.117 R)
• M15: 10,085,739 km (0.092 R)
• M16: 12,108,152 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.6

Radius: 8.2

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.83 AU - 3.01 AU

Year: 3444 Days

Day: 7.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 52,256,061 km

• M1: 102,026 km (0.1 R)
• M2: 564,882 km (0.117 R)
• M3: 880,234 km (0.088 R)
• M4: 1,429,408 km (0.049 R)
• M5: 1,957,638 km (0.073 R)
• M6: 4,649,651 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.7

Radius: 13.9

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.49 AU - 3.47 AU

Year: 3551 Days

Day: 9.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,256,061 km

• M1: 173,085 km (0.074 R)
• M2: 618,438 km (0.094 R)
• M3: 1,443,021 km (0.085 R)
• M4: 2,212,702 km (0.108 R)
• M5: 3,580,176 km (0.102 R)
• M6: 4,482,401 km (0.104 R)
• M7: 5,663,027 km (0.1 R)
• M8: 6,298,070 km (0.104 R)
• M9: 6,919,051 km (0.043 R)
• M10: 7,451,470 km (0.115 R)
• M11: 8,388,102 km (0.104 R)
• M12: 8,994,123 km (0.094 R)
• M13: 10,414,854 km (0.025 R)
• M14: 10,948,021 km (0.026 R)
• M15: 11,847,852 km (0.103 R)
• M16: 12,293,504 km (0.111 R)
• M17: 13,218,318 km (0.056 R)
• M18: 13,991,141 km (0.098 R)
• M19: 15,206,773 km (0.089 R)
• M20: 16,381,864 km (0.065 R)
• M21: 17,217,219 km (0.098 R)
• M22: 18,080,847 km (0.07 R)
• M23: 19,460,888 km (0.076 R)
• M24: 21,234,371 km (0.117 R)
• M25: 21,826,629 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 544.1

Radius: 4.8

Gravity: 23.62 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 5.62 AU - 5.96 AU

Year: 9617 Days

Day: 25 Hours

Environment

Temp: -217 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 52,256,061 km

• M1: 59,690 km (0.118 R)
• M2: 295,157 km (0.087 R)
• M3: 532,269 km (0.036 R)
• M4: 694,882 km (0.063 R)
• M5: 1,225,805 km (0.041 R)
• M6: 1,461,721 km (0.105 R)
• M7: 1,611,767 km (0.11 R)
• M8: 2,448,319 km (0.075 R)
• M9: 3,036,388 km (0.118 R)
• M10: 3,517,644 km (0.109 R)
• M11: 3,943,101 km (0.12 R)
• M12: 4,291,065 km (0.113 R)
• M13: 5,329,873 km (0.106 R)
• M14: 7,245,474 km (0.097 R)
• M15: 7,443,242 km (0.103 R)
• M16: 8,142,612 km (0.108 R)
• M17: 8,313,453 km (0.097 R)
• M18: 8,795,308 km (0.106 R)
• M19: 9,203,411 km (0.05 R)
• M20: 9,482,261 km (0.059 R)
• M21: 14,873,768 km (0.113 R)
• M22: 16,792,361 km (0.113 R)
• M23: 17,846,577 km (0.108 R)
• M24: 20,163,998 km (0.061 R)
• M25: 20,792,907 km (0.103 R)
• M26: 21,434,981 km (0.11 R)
• M27: 23,699,444 km (0.055 R)
• M28: 24,665,996 km (0.087 R)
• M29: 26,677,489 km (0.051 R)
• M30: 31,023,307 km (0.113 R)
• M31: 31,966,821 km (0.056 R)
• M32: 34,131,801 km (0.06 R)
• M33: 35,024,452 km (0.029 R)
• M34: 39,356,208 km (0.101 R)
• M35: 42,476,819 km (0.051 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 516.3

Radius: 7.8

Gravity: 8.49 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 4.69 AU - 7.61 AU

Year: 10527 Days

Day: 20.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,256,061 km

• M1: 120,127 km (0.107 R)
• M2: 436,227 km (0.093 R)
• M3: 1,184,366 km (0.118 R)
• M4: 1,531,882 km (0.085 R)
• M5: 2,568,745 km (0.108 R)
• M6: 2,979,990 km (0.055 R)
• M7: 3,224,433 km (0.078 R)
• M8: 4,924,612 km (0.085 R)
• M9: 7,348,846 km (0.029 R)
• M10: 7,673,473 km (0.066 R)
• M11: 8,050,161 km (0.108 R)
• M12: 10,729,010 km (0.052 R)
• M13: 11,905,447 km (0.105 R)
• M14: 14,449,060 km (0.119 R)
• M15: 18,424,623 km (0.075 R)
• M16: 18,873,417 km (0.098 R)
• M17: 25,853,504 km (0.095 R)
• M18: 30,377,643 km (0.103 R)
• M19: 31,214,793 km (0.103 R)
• M20: 31,745,865 km (0.114 R)
• M21: 32,390,931 km (0.083 R)
• M22: 34,042,043 km (0.094 R)
• M23: 35,059,159 km (0.073 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 704

Radius: 4.4

Gravity: 36.36 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.73 AU - 7.11 AU

Year: 11228 Days

Day: 22.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 52,256,061 km

• M1: 54,753 km (0.072 R)
• M2: 201,060 km (0.036 R)
• M3: 618,138 km (0.045 R)
• M4: 1,263,204 km (0.105 R)
• M5: 1,408,464 km (0.069 R)
• M6: 1,609,823 km (0.028 R)
• M7: 2,142,840 km (0.037 R)
• M8: 2,429,769 km (0.115 R)
• M9: 2,698,895 km (0.047 R)
• M10: 3,867,255 km (0.099 R)
• M11: 4,118,878 km (0.096 R)
• M12: 4,971,885 km (0.116 R)
• M13: 5,235,925 km (0.105 R)
• M14: 8,882,673 km (0.059 R)
• M15: 9,075,504 km (0.116 R)
• M16: 10,292,633 km (0.109 R)
• M17: 12,316,093 km (0.055 R)
• M18: 13,484,004 km (0.103 R)
• M19: 16,980,555 km (0.099 R)
• M20: 18,346,234 km (0.049 R)
• M21: 18,502,265 km (0.067 R)
• M22: 18,659,342 km (0.067 R)
• M23: 19,376,814 km (0.111 R)
• M24: 24,072,541 km (0.093 R)
• M25: 28,105,999 km (0.067 R)
• M26: 28,417,761 km (0.117 R)
• M27: 30,336,354 km (0.064 R)
• M28: 30,994,734 km (0.055 R)
• M29: 31,550,490 km (0.079 R)
• M30: 32,796,491 km (0.093 R)
• M31: 33,606,414 km (0.115 R)
• M32: 38,491,383 km (0.036 R)
• M33: 38,875,699 km (0.089 R)
• M34: 40,306,902 km (0.105 R)
• M35: 40,836,030 km (0.12 R)
• M36: 41,102,165 km (0.05 R)
• M37: 44,952,365 km (0.103 R)
• M38: 45,094,184 km (0.059 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 349 - 20,101 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit