🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.7

Radius: 11.3

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.29 AU - 1.51 AU

Year: 1143 Days

Day: 10.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,232,810 km

• M1: 140,622 km (0.072 R)
• M2: 543,639 km (0.101 R)
• M3: 916,287 km (0.102 R)
• M4: 1,347,727 km (0.063 R)
• M5: 1,855,612 km (0.12 R)
• M6: 2,278,226 km (0.03 R)
• M7: 2,649,827 km (0.116 R)
• M8: 3,104,305 km (0.076 R)
• M9: 3,802,030 km (0.066 R)
• M10: 4,418,672 km (0.092 R)
• M11: 5,679,184 km (0.072 R)
• M12: 6,051,234 km (0.109 R)
• M13: 6,820,167 km (0.089 R)
• M14: 7,266,417 km (0.087 R)
• M15: 9,430,351 km (0.051 R)
• M16: 9,953,794 km (0.091 R)
• M17: 10,496,385 km (0.092 R)
• M18: 11,781,132 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881

Radius: 8.1

Gravity: 13.43 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.79 AU - 3.79 AU

Year: 4119 Days

Day: 8.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 30,232,810 km

• M1: 100,979 km (0.109 R)
• M2: 355,744 km (0.099 R)
• M3: 738,864 km (0.115 R)
• M4: 999,613 km (0.092 R)
• M5: 1,354,908 km (0.085 R)
• M6: 1,741,768 km (0.077 R)
• M7: 2,053,829 km (0.113 R)
• M8: 3,182,695 km (0.105 R)
• M9: 4,214,621 km (0.106 R)
• M10: 4,990,435 km (0.078 R)
• M11: 6,219,531 km (0.107 R)
• M12: 7,533,749 km (0.057 R)
• M13: 9,384,424 km (0.082 R)
• M14: 10,134,508 km (0.045 R)
• M15: 11,706,632 km (0.111 R)
• M16: 12,774,312 km (0.061 R)
• M17: 13,280,551 km (0.086 R)
• M18: 13,590,667 km (0.089 R)
• M19: 13,905,571 km (0.101 R)
• M20: 14,879,752 km (0.069 R)
• M21: 15,496,993 km (0.12 R)
• M22: 18,264,554 km (0.113 R)
• M23: 19,631,280 km (0.106 R)
• M24: 21,345,522 km (0.117 R)
• M25: 24,062,369 km (0.099 R)
• M26: 27,835,077 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.6

Radius: 12.4

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.78 AU - 4.3 AU

Year: 4597 Days

Day: 6.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,232,810 km

• M1: 154,834 km (0.112 R)
• M2: 812,915 km (0.042 R)
• M3: 1,281,605 km (0.047 R)
• M4: 1,790,687 km (0.096 R)
• M5: 2,293,784 km (0.077 R)
• M6: 3,386,447 km (0.105 R)
• M7: 4,040,190 km (0.065 R)
• M8: 4,962,311 km (0.049 R)
• M9: 5,398,389 km (0.091 R)
• M10: 6,833,930 km (0.077 R)
• M11: 7,848,054 km (0.091 R)
• M12: 10,406,477 km (0.075 R)
• M13: 10,961,934 km (0.11 R)
• M14: 12,219,154 km (0.066 R)
• M15: 14,770,247 km (0.116 R)
• M16: 15,883,704 km (0.086 R)
• M17: 16,943,754 km (0.049 R)
• M18: 17,713,435 km (0.114 R)
• M19: 18,563,899 km (0.086 R)
• M20: 20,715,864 km (0.074 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 659.6

Radius: 4.9

Gravity: 27.47 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 4.67 AU - 7.13 AU

Year: 9892 Days

Day: 21.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,232,810 km

• M1: 61,036 km (0.111 R)
• M2: 256,860 km (0.063 R)
• M3: 419,772 km (0.106 R)
• M4: 885,769 km (0.032 R)
• M5: 1,253,630 km (0.12 R)
• M6: 1,445,564 km (0.101 R)
• M7: 3,319,128 km (0.087 R)
• M8: 3,844,516 km (0.092 R)
• M9: 6,697,945 km (0.067 R)
• M10: 12,537,498 km (0.111 R)
• M11: 13,008,881 km (0.032 R)
• M12: 18,019,363 km (0.118 R)
• M13: 19,310,692 km (0.082 R)
• M14: 22,417,839 km (0.08 R)
• M15: 31,285,851 km (0.055 R)
• M16: 32,481,138 km (0.073 R)
• M17: 39,666,324 km (0.068 R)
• M18: 45,322,620 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 401.6

Radius: 5.2

Gravity: 14.85 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 6.2 AU - 7.34 AU

Year: 12159 Days

Day: 16.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 30,232,810 km

• M1: 64,925 km (0.078 R)
• M2: 786,286 km (0.103 R)
• M3: 993,180 km (0.106 R)
• M4: 1,334,263 km (0.1 R)
• M5: 1,616,854 km (0.11 R)
• M6: 2,395,062 km (0.119 R)
• M7: 2,588,642 km (0.08 R)
• M8: 4,140,719 km (0.066 R)
• M9: 5,803,500 km (0.067 R)
• M10: 6,668,475 km (0.079 R)
• M11: 6,936,105 km (0.057 R)
• M12: 7,575,038 km (0.115 R)
• M13: 9,107,818 km (0.055 R)
• M14: 9,629,465 km (0.072 R)
• M15: 11,099,863 km (0.03 R)
• M16: 11,805,217 km (0.096 R)
• M17: 14,100,198 km (0.115 R)
• M18: 15,253,148 km (0.055 R)
• M19: 16,536,997 km (0.101 R)
• M20: 19,087,641 km (0.073 R)
• M21: 19,549,749 km (0.092 R)
• M22: 19,783,421 km (0.117 R)
• M23: 21,555,557 km (0.109 R)
• M24: 22,394,951 km (0.12 R)
• M25: 24,138,813 km (0.054 R)
• M26: 24,318,031 km (0.093 R)
• M27: 28,588,901 km (0.117 R)
• M28: 29,909,850 km (0.119 R)
• M29: 30,637,794 km (0.062 R)
• M30: 35,370,322 km (0.061 R)
• M31: 39,192,548 km (0.116 R)
• M32: 40,189,468 km (0.12 R)
• M33: 42,886,418 km (0.044 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 248.4

Radius: 3.8

Gravity: 17.2 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 6.75 AU - 8.21 AU

Year: 14121 Days

Day: 16.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 30,232,810 km

• M1: 47,273 km (0.081 R)
• M2: 216,767 km (0.086 R)
• M3: 768,335 km (0.077 R)
• M4: 1,207,554 km (0.106 R)
• M5: 1,403,378 km (0.087 R)
• M6: 3,369,692 km (0.043 R)
• M7: 4,980,412 km (0.071 R)
• M8: 5,196,731 km (0.113 R)
• M9: 5,917,344 km (0.12 R)
• M10: 6,159,992 km (0.083 R)
• M11: 7,716,408 km (0.119 R)
• M12: 7,880,965 km (0.106 R)
• M13: 8,432,234 km (0.052 R)
• M14: 10,589,734 km (0.047 R)
• M15: 10,895,811 km (0.068 R)
• M16: 14,288,093 km (0.037 R)
• M17: 14,536,575 km (0.119 R)
• M18: 16,492,118 km (0.079 R)
• M19: 20,051,650 km (0.088 R)
• M20: 21,075,198 km (0.119 R)
• M21: 21,722,209 km (0.115 R)
• M22: 22,299,059 km (0.083 R)
• M23: 27,861,556 km (0.078 R)
• M24: 31,901,297 km (0.11 R)
• M25: 37,243,437 km (0.07 R)
• M26: 41,872,594 km (0.115 R)
• M27: 42,765,244 km (0.044 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 990.2

Radius: 3.6

Gravity: 76.4 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 6.64 AU - 8.8 AU

Year: 14806 Days

Day: 15.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 30,232,810 km

• M1: 45,627 km (0.111 R)
• M2: 169,345 km (0.112 R)
• M3: 372,499 km (0.082 R)
• M4: 512,223 km (0.106 R)
• M5: 650,900 km (0.116 R)
• M6: 825,032 km (0.1 R)
• M7: 1,184,217 km (0.061 R)
• M8: 2,243,968 km (0.113 R)
• M9: 3,696,115 km (0.092 R)
• M10: 4,615,693 km (0.082 R)
• M11: 5,756,825 km (0.083 R)
• M12: 8,526,929 km (0.09 R)
• M13: 9,268,785 km (0.114 R)
• M14: 10,110,123 km (0.098 R)
• M15: 11,309,599 km (0.095 R)
• M16: 12,335,092 km (0.109 R)
• M17: 13,560,897 km (0.059 R)
• M18: 14,495,286 km (0.03 R)
• M19: 16,015,200 km (0.082 R)
• M20: 16,252,013 km (0.067 R)
• M21: 19,456,699 km (0.11 R)
• M22: 20,550,110 km (0.052 R)
• M23: 21,683,763 km (0.091 R)
• M24: 21,973,534 km (0.043 R)
• M25: 22,168,160 km (0.102 R)
• M26: 23,259,327 km (0.108 R)
• M27: 27,868,438 km (0.091 R)
• M28: 29,846,870 km (0.088 R)
• M29: 31,792,539 km (0.103 R)
• M30: 34,603,483 km (0.08 R)
• M31: 46,058,342 km (0.074 R)
• M32: 46,858,092 km (0.12 R)
• M33: 47,342,341 km (0.112 R)
• M34: 50,826,026 km (0.036 R)
• M35: 51,851,819 km (0.058 R)
• M36: 54,121,817 km (0.067 R)
• M37: 63,666,460 km (0.072 R)
• M38: 64,062,147 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 51

Radius: 6.5

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 6.9 AU - 10.92 AU

Year: 18358 Days

Day: 23.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 30,232,810 km

• M1: 80,932 km (0.114 R)
• M2: 314,904 km (0.093 R)
• M3: 557,701 km (0.035 R)
• M4: 1,475,933 km (0.085 R)
• M5: 1,709,305 km (0.113 R)
• M6: 2,411,817 km (0.114 R)
• M7: 2,755,742 km (0.113 R)
• M8: 4,033,607 km (0.102 R)
• M9: 4,247,532 km (0.065 R)
• M10: 4,697,972 km (0.074 R)
• M11: 5,291,426 km (0.067 R)
• M12: 6,210,705 km (0.117 R)
• M13: 7,692,323 km (0.042 R)
• M14: 16,223,889 km (0.095 R)
• M15: 16,463,545 km (0.073 R)
• M16: 17,321,339 km (0.107 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 254 - 12,023 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit