🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.6

Radius: 8.4

Gravity: 9.08 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.57 AU - 0.75 AU

Year: 377 Days

Day: 5.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,631,123 km

• M1: 108,010 km (0.095 R)
• M2: 304,880 km (0.031 R)
• M3: 584,928 km (0.076 R)
• M4: 1,235,678 km (0.105 R)
• M5: 1,453,044 km (0.044 R)
• M6: 1,812,079 km (0.082 R)
• M7: 1,970,054 km (0.11 R)
• M8: 2,173,956 km (0.099 R)
• M9: 2,333,876 km (0.12 R)
• M10: 2,642,497 km (0.062 R)
• M11: 3,032,947 km (0.12 R)
• M12: 3,459,750 km (0.03 R)
• M13: 3,740,096 km (0.038 R)
• M14: 3,897,773 km (0.047 R)
• M15: 4,287,924 km (0.071 R)
• M16: 4,456,969 km (0.117 R)
• M17: 4,697,224 km (0.076 R)
• M18: 5,044,440 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.2

Radius: 11.6

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.24 AU - 2.34 AU

Year: 2436 Days

Day: 6.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 84,631,123 km

• M1: 149,448 km (0.045 R)
• M2: 388,057 km (0.104 R)
• M3: 880,982 km (0.087 R)
• M4: 1,219,372 km (0.098 R)
• M5: 2,108,432 km (0.088 R)
• M6: 2,498,733 km (0.103 R)
• M7: 2,899,057 km (0.106 R)
• M8: 3,156,964 km (0.1 R)
• M9: 3,426,390 km (0.098 R)
• M10: 5,030,528 km (0.106 R)
• M11: 6,561,961 km (0.095 R)
• M12: 7,852,691 km (0.097 R)
• M13: 8,129,298 km (0.069 R)
• M14: 8,367,159 km (0.107 R)
• M15: 9,307,381 km (0.042 R)
• M16: 9,632,158 km (0.057 R)
• M17: 11,037,780 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.2

Radius: 11.1

Gravity: 7.87 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.3 AU - 2.76 AU

Year: 2829 Days

Day: 6.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 84,631,123 km

• M1: 138,228 km (0.116 R)
• M2: 359,484 km (0.087 R)
• M3: 706,252 km (0.08 R)
• M4: 961,466 km (0.097 R)
• M5: 1,421,778 km (0.076 R)
• M6: 2,171,263 km (0.083 R)
• M7: 2,439,792 km (0.108 R)
• M8: 2,994,052 km (0.077 R)
• M9: 3,310,750 km (0.064 R)
• M10: 3,826,115 km (0.115 R)
• M11: 4,262,343 km (0.074 R)
• M12: 4,785,037 km (0.104 R)
• M13: 5,404,672 km (0.091 R)
• M14: 6,442,881 km (0.05 R)
• M15: 7,392,379 km (0.101 R)
• M16: 7,679,756 km (0.117 R)
• M17: 8,686,849 km (0.092 R)
• M18: 9,638,441 km (0.117 R)
• M19: 10,331,379 km (0.081 R)
• M20: 10,702,531 km (0.043 R)
• M21: 12,253,711 km (0.068 R)
• M22: 12,931,390 km (0.058 R)
• M23: 14,305,895 km (0.076 R)
• M24: 18,110,019 km (0.057 R)
• M25: 18,684,475 km (0.043 R)
• M26: 19,142,095 km (0.101 R)
• M27: 19,775,193 km (0.117 R)
• M28: 20,289,062 km (0.029 R)
• M29: 21,602,980 km (0.03 R)
• M30: 22,638,347 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154

Radius: 10.1

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.44 AU - 2.64 AU

Year: 2846 Days

Day: 10.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 71.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,631,123 km

• M1: 143,614 km (0.093 R)
• M2: 343,178 km (0.1 R)
• M3: 571,464 km (0.083 R)
• M4: 880,982 km (0.118 R)
• M5: 1,271,731 km (0.054 R)
• M6: 1,509,891 km (0.075 R)
• M7: 1,716,636 km (0.028 R)
• M8: 2,063,553 km (0.079 R)
• M9: 2,296,327 km (0.048 R)
• M10: 3,001,831 km (0.094 R)
• M11: 3,792,755 km (0.111 R)
• M12: 4,181,410 km (0.062 R)
• M13: 4,924,313 km (0.102 R)
• M14: 6,418,497 km (0.08 R)
• M15: 7,241,435 km (0.081 R)
• M16: 7,662,253 km (0.105 R)
• M17: 8,095,040 km (0.101 R)
• M18: 8,601,578 km (0.116 R)
• M19: 9,991,492 km (0.087 R)
• M20: 10,554,279 km (0.085 R)
• M21: 11,992,663 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.3

Radius: 13.7

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.83 AU - 4.13 AU

Year: 4563 Days

Day: 7.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 84,631,123 km

• M1: 170,542 km (0.093 R)
• M2: 477,965 km (0.094 R)
• M3: 801,695 km (0.034 R)
• M4: 1,418,188 km (0.111 R)
• M5: 1,927,419 km (0.118 R)
• M6: 2,334,325 km (0.079 R)
• M7: 2,758,286 km (0.108 R)
• M8: 5,161,575 km (0.113 R)
• M9: 5,519,264 km (0.106 R)
• M10: 6,428,221 km (0.096 R)
• M11: 6,726,967 km (0.104 R)
• M12: 7,772,806 km (0.043 R)
• M13: 8,619,381 km (0.066 R)
• M14: 11,034,638 km (0.098 R)
• M15: 11,374,375 km (0.079 R)
• M16: 14,517,576 km (0.091 R)
• M17: 15,272,147 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.6

Radius: 11.4

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.24 AU - 5.8 AU

Year: 7906 Days

Day: 5.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 84,631,123 km

• M1: 152,739 km (0.106 R)
• M2: 366,365 km (0.068 R)
• M3: 852,558 km (0.054 R)
• M4: 1,223,411 km (0.092 R)
• M5: 1,480,271 km (0.116 R)
• M6: 1,733,391 km (0.096 R)
• M7: 2,323,105 km (0.026 R)
• M8: 3,370,889 km (0.102 R)
• M9: 3,828,359 km (0.063 R)
• M10: 4,366,612 km (0.086 R)
• M11: 5,467,503 km (0.072 R)
• M12: 6,727,267 km (0.088 R)
• M13: 7,374,128 km (0.113 R)
• M14: 8,401,117 km (0.062 R)
• M15: 9,197,726 km (0.085 R)
• M16: 9,915,048 km (0.097 R)
• M17: 10,225,314 km (0.098 R)
• M18: 10,500,723 km (0.118 R)
• M19: 11,267,113 km (0.028 R)
• M20: 12,750,376 km (0.112 R)
• M21: 14,512,340 km (0.103 R)
• M22: 15,268,557 km (0.076 R)
• M23: 16,839,185 km (0.085 R)
• M24: 18,224,761 km (0.086 R)
• M25: 20,489,672 km (0.053 R)
• M26: 21,958,873 km (0.117 R)
• M27: 22,947,117 km (0.036 R)
• M28: 26,168,707 km (0.105 R)
• M29: 26,863,888 km (0.082 R)
• M30: 27,375,363 km (0.106 R)
• M31: 27,891,625 km (0.094 R)
• M32: 28,216,702 km (0.085 R)
• M33: 29,402,863 km (0.084 R)
• M34: 30,342,338 km (0.102 R)
• M35: 33,250,072 km (0.109 R)
• M36: 37,409,790 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 917.6

Radius: 4.1

Gravity: 54.59 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 6.28 AU - 7.08 AU

Year: 12136 Days

Day: 22.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 84,631,123 km

• M1: 55,800 km (0.116 R)
• M2: 289,322 km (0.065 R)
• M3: 831,615 km (0.071 R)
• M4: 1,296,565 km (0.114 R)
• M5: 1,438,832 km (0.116 R)
• M6: 1,588,729 km (0.049 R)
• M7: 4,827,673 km (0.117 R)
• M8: 5,102,634 km (0.092 R)
• M9: 7,451,320 km (0.106 R)
• M10: 7,879,021 km (0.027 R)
• M11: 13,038,950 km (0.034 R)
• M12: 15,674,416 km (0.044 R)
• M13: 16,418,217 km (0.111 R)
• M14: 16,923,708 km (0.078 R)
• M15: 17,631,455 km (0.115 R)
• M16: 17,826,980 km (0.118 R)
• M17: 27,500,128 km (0.071 R)
• M18: 29,064,772 km (0.075 R)
• M19: 32,943,545 km (0.108 R)
• M20: 33,658,623 km (0.106 R)
• M21: 36,408,531 km (0.087 R)
• M22: 37,159,961 km (0.104 R)
• M23: 37,254,507 km (0.11 R)
• M24: 37,823,877 km (0.044 R)
• M25: 38,110,357 km (0.113 R)
• M26: 39,753,241 km (0.105 R)
• M27: 41,331,349 km (0.034 R)
• M28: 44,579,717 km (0.108 R)
• M29: 46,990,636 km (0.086 R)
• M30: 52,002,763 km (0.079 R)
• M31: 52,338,461 km (0.056 R)
• M32: 55,523,998 km (0.074 R)
• M33: 59,638,238 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 790.8

Radius: 7.6

Gravity: 13.69 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 6.7 AU - 10.32 AU

Year: 17450 Days

Day: 22.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 84,631,123 km

• M1: 441,015 km (0.056 R)
• M2: 632,799 km (0.074 R)
• M3: 851,810 km (0.107 R)
• M4: 1,732,194 km (0.054 R)
• M5: 5,014,969 km (0.104 R)
• M6: 5,322,543 km (0.063 R)
• M7: 9,423,469 km (0.102 R)
• M8: 10,167,270 km (0.1 R)
• M9: 10,439,837 km (0.11 R)
• M10: 10,771,795 km (0.085 R)
• M11: 11,682,547 km (0.092 R)
• M12: 12,995,717 km (0.076 R)
• M13: 14,058,609 km (0.111 R)
• M14: 16,105,108 km (0.112 R)
• M15: 21,162,713 km (0.082 R)
• M16: 21,319,641 km (0.078 R)
• M17: 23,002,617 km (0.037 R)
• M18: 25,346,367 km (0.084 R)
• M19: 30,470,393 km (0.066 R)
• M20: 32,090,090 km (0.1 R)
• M21: 44,720,488 km (0.03 R)
• M22: 46,446,698 km (0.077 R)
• M23: 47,969,156 km (0.107 R)
• M24: 54,430,886 km (0.069 R)
• M25: 55,950,800 km (0.082 R)
• M26: 61,836,878 km (0.071 R)
• M27: 69,858,166 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 876.1

Radius: 7

Gravity: 17.88 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 7.64 AU - 11.46 AU

Year: 20745 Days

Day: 17.3 Hours

Environment

Temp: -241 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 84,631,123 km

• M1: 91,255 km (0.08 R)
• M2: 281,842 km (0.069 R)
• M3: 575,353 km (0.08 R)
• M4: 1,001,408 km (0.086 R)
• M5: 1,147,565 km (0.093 R)
• M6: 1,387,071 km (0.101 R)
• M7: 1,697,038 km (0.065 R)
• M8: 2,473,152 km (0.092 R)
• M9: 2,646,686 km (0.068 R)
• M10: 2,856,871 km (0.039 R)
• M11: 3,922,755 km (0.078 R)
• M12: 4,367,061 km (0.105 R)
• M13: 5,455,984 km (0.083 R)
• M14: 5,934,847 km (0.079 R)
• M15: 6,069,036 km (0.1 R)
• M16: 6,250,349 km (0.108 R)
• M17: 6,668,026 km (0.096 R)
• M18: 9,462,065 km (0.07 R)
• M19: 14,298,864 km (0.083 R)
• M20: 14,577,565 km (0.112 R)
• M21: 15,286,060 km (0.111 R)
• M22: 17,436,230 km (0.079 R)
• M23: 17,589,718 km (0.095 R)
• M24: 18,054,518 km (0.09 R)
• M25: 21,307,674 km (0.1 R)
• M26: 21,647,859 km (0.113 R)
• M27: 22,684,722 km (0.092 R)
• M28: 26,411,055 km (0.102 R)
• M29: 26,789,837 km (0.066 R)
• M30: 27,459,138 km (0.091 R)
• M31: 31,752,597 km (0.102 R)
• M32: 33,112,142 km (0.112 R)
• M33: 34,392,401 km (0.076 R)
• M34: 35,697,044 km (0.036 R)
• M35: 41,750,671 km (0.087 R)
• M36: 43,066,684 km (0.032 R)
• M37: 48,534,935 km (0.111 R)
• M38: 49,564,318 km (0.091 R)
• M39: 56,381,193 km (0.119 R)
• M40: 56,934,556 km (0.085 R)
• M41: 64,520,514 km (0.118 R)
• M42: 66,453,768 km (0.119 R)
• M43: 69,944,185 km (0.071 R)
• M44: 73,366,536 km (0.104 R)
• M45: 80,786,889 km (0.041 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 338 - 13,220 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit