🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601

Radius: 14.7

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.64 AU - 0.8 AU

Year: 414 Days

Day: 12.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,910,789 km

• M1: 182,809 km (0.102 R)
• M2: 657,183 km (0.066 R)
• M3: 1,229,994 km (0.113 R)
• M4: 1,794,875 km (0.107 R)
• M5: 2,441,736 km (0.062 R)
• M6: 3,037,286 km (0.09 R)
• M7: 4,172,584 km (0.119 R)
• M8: 4,766,039 km (0.109 R)
• M9: 5,368,320 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.2

Radius: 11.2

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.69 AU - 1.01 AU

Year: 532 Days

Day: 6.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,910,789 km

• M1: 139,425 km (0.081 R)
• M2: 651,349 km (0.119 R)
• M3: 1,814,173 km (0.081 R)
• M4: 2,234,843 km (0.058 R)
• M5: 3,059,426 km (0.117 R)
• M6: 3,490,567 km (0.108 R)
• M7: 4,047,370 km (0.11 R)
• M8: 4,553,161 km (0.106 R)
• M9: 5,253,279 km (0.08 R)
• M10: 5,948,909 km (0.099 R)
• M11: 6,888,234 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.6

Radius: 13.5

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.81 AU - 1.19 AU

Year: 678 Days

Day: 14.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,910,789 km

• M1: 167,849 km (0.057 R)
• M2: 842,386 km (0.117 R)
• M3: 1,451,099 km (0.099 R)
• M4: 1,902,735 km (0.118 R)
• M5: 2,699,194 km (0.087 R)
• M6: 3,251,959 km (0.044 R)
• M7: 3,850,799 km (0.096 R)
• M8: 4,603,725 km (0.09 R)
• M9: 5,042,047 km (0.086 R)
• M10: 6,486,414 km (0.059 R)
• M11: 7,105,001 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88

Radius: 8.6

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.77 AU - 1.28 AU

Year: 699 Days

Day: 10.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,910,789 km

• M1: 107,411 km (0.093 R)
• M2: 390,450 km (0.086 R)
• M3: 775,366 km (0.058 R)
• M4: 1,110,914 km (0.105 R)
• M5: 1,413,999 km (0.078 R)
• M6: 1,881,941 km (0.107 R)
• M7: 2,500,828 km (0.11 R)
• M8: 2,830,093 km (0.113 R)
• M9: 3,415,319 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851

Radius: 11

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.23 AU - 2.69 AU

Year: 2617 Days

Day: 7.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 74,910,789 km

• M1: 138,677 km (0.106 R)
• M2: 652,995 km (0.096 R)
• M3: 1,042,548 km (0.093 R)
• M4: 1,601,595 km (0.079 R)
• M5: 2,083,898 km (0.066 R)
• M6: 2,931,520 km (0.116 R)
• M7: 3,344,111 km (0.052 R)
• M8: 3,717,507 km (0.05 R)
• M9: 4,373,195 km (0.119 R)
• M10: 5,008,836 km (0.027 R)
• M11: 5,757,124 km (0.067 R)
• M12: 6,268,600 km (0.059 R)
• M13: 7,444,888 km (0.071 R)
• M14: 8,385,709 km (0.119 R)
• M15: 9,587,578 km (0.102 R)
• M16: 10,000,019 km (0.084 R)
• M17: 11,103,752 km (0.088 R)
• M18: 11,812,397 km (0.068 R)
• M19: 12,774,013 km (0.046 R)
• M20: 15,405,738 km (0.118 R)
• M21: 15,764,773 km (0.109 R)
• M22: 16,446,491 km (0.112 R)
• M23: 19,193,706 km (0.085 R)
• M24: 20,521,387 km (0.103 R)
• M25: 21,081,930 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.4

Radius: 9.8

Gravity: 8.15 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.83 AU - 2.99 AU

Year: 3367 Days

Day: 7.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,910,789 km

• M1: 125,961 km (0.102 R)
• M2: 526,734 km (0.067 R)
• M3: 868,864 km (0.068 R)
• M4: 2,233,646 km (0.117 R)
• M5: 3,593,341 km (0.107 R)
• M6: 4,566,625 km (0.073 R)
• M7: 5,153,198 km (0.105 R)
• M8: 5,761,612 km (0.117 R)
• M9: 6,097,609 km (0.106 R)
• M10: 7,809,158 km (0.111 R)
• M11: 8,433,131 km (0.113 R)
• M12: 10,505,660 km (0.108 R)
• M13: 12,614,691 km (0.067 R)
• M14: 13,135,142 km (0.12 R)
• M15: 15,414,864 km (0.082 R)
• M16: 17,016,608 km (0.075 R)
• M17: 17,361,431 km (0.093 R)
• M18: 17,887,268 km (0.103 R)
• M19: 18,363,587 km (0.085 R)
• M20: 18,787,398 km (0.087 R)
• M21: 19,906,989 km (0.081 R)
• M22: 20,418,613 km (0.047 R)
• M23: 21,803,590 km (0.049 R)
• M24: 22,278,863 km (0.118 R)
• M25: 22,691,753 km (0.065 R)
• M26: 23,746,268 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 284.8

Radius: 5.4

Gravity: 9.77 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.7 AU - 6.58 AU

Year: 10319 Days

Day: 20.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 74,910,789 km

• M1: 67,169 km (0.041 R)
• M2: 259,253 km (0.076 R)
• M3: 434,582 km (0.101 R)
• M4: 671,844 km (0.071 R)
• M5: 850,613 km (0.108 R)
• M6: 1,330,523 km (0.066 R)
• M7: 1,840,353 km (0.054 R)
• M8: 2,263,715 km (0.116 R)
• M9: 2,807,503 km (0.087 R)
• M10: 4,049,764 km (0.045 R)
• M11: 4,278,948 km (0.073 R)
• M12: 7,292,896 km (0.11 R)
• M13: 7,671,229 km (0.07 R)
• M14: 7,904,303 km (0.039 R)
• M15: 8,102,221 km (0.08 R)
• M16: 9,492,583 km (0.036 R)
• M17: 9,716,232 km (0.061 R)
• M18: 10,887,883 km (0.12 R)
• M19: 11,634,526 km (0.071 R)
• M20: 11,839,175 km (0.101 R)
• M21: 12,682,309 km (0.053 R)
• M22: 13,229,089 km (0.098 R)
• M23: 14,311,131 km (0.027 R)
• M24: 15,084,701 km (0.068 R)
• M25: 15,389,582 km (0.046 R)
• M26: 18,877,755 km (0.075 R)
• M27: 22,068,528 km (0.104 R)
• M28: 23,342,205 km (0.099 R)
• M29: 27,365,639 km (0.083 R)
• M30: 32,027,857 km (0.104 R)
• M31: 36,423,192 km (0.037 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 818.5

Radius: 7.4

Gravity: 14.95 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 7.49 AU - 8.35 AU

Year: 15117 Days

Day: 24.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 74,910,789 km

• M1: 92,152 km (0.116 R)
• M2: 360,980 km (0.104 R)
• M3: 611,406 km (0.092 R)
• M4: 1,281,605 km (0.066 R)
• M5: 1,545,047 km (0.067 R)
• M6: 2,009,099 km (0.075 R)
• M7: 2,346,592 km (0.051 R)
• M8: 2,584,902 km (0.091 R)
• M9: 3,480,993 km (0.072 R)
• M10: 4,874,048 km (0.083 R)
• M11: 6,775,736 km (0.097 R)
• M12: 7,867,502 km (0.087 R)
• M13: 9,663,274 km (0.047 R)
• M14: 11,042,417 km (0.117 R)
• M15: 12,031,708 km (0.032 R)
• M16: 13,418,181 km (0.081 R)
• M17: 14,328,035 km (0.093 R)
• M18: 14,616,161 km (0.026 R)
• M19: 15,353,229 km (0.069 R)
• M20: 16,821,682 km (0.114 R)
• M21: 17,713,435 km (0.059 R)
• M22: 18,045,393 km (0.098 R)
• M23: 20,035,194 km (0.082 R)
• M24: 22,746,955 km (0.057 R)
• M25: 24,139,711 km (0.088 R)
• M26: 27,534,984 km (0.119 R)
• M27: 30,281,152 km (0.109 R)
• M28: 34,347,970 km (0.032 R)
• M29: 41,035,893 km (0.059 R)
• M30: 46,154,533 km (0.11 R)
• M31: 47,577,359 km (0.09 R)
• M32: 58,549,315 km (0.062 R)
• M33: 61,533,793 km (0.035 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 481.3

Radius: 4.8

Gravity: 20.89 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 9.03 AU - 12.11 AU

Year: 23308 Days

Day: 15.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 74,910,789 km

• M1: 62,682 km (0.09 R)
• M2: 269,575 km (0.096 R)
• M3: 1,981,274 km (0.117 R)
• M4: 2,311,287 km (0.099 R)
• M5: 3,436,861 km (0.044 R)
• M6: 3,851,098 km (0.119 R)
• M7: 4,265,035 km (0.072 R)
• M8: 5,371,012 km (0.118 R)
• M9: 7,203,736 km (0.12 R)
• M10: 8,031,012 km (0.073 R)
• M11: 9,083,284 km (0.102 R)
• M12: 10,283,657 km (0.091 R)
• M13: 14,215,538 km (0.084 R)
• M14: 14,664,032 km (0.09 R)
• M15: 15,747,270 km (0.112 R)
• M16: 18,687,018 km (0.099 R)
• M17: 20,332,295 km (0.082 R)
• M18: 21,093,749 km (0.107 R)
• M19: 22,171,302 km (0.117 R)
• M20: 22,774,331 km (0.084 R)
• M21: 24,756,054 km (0.12 R)
• M22: 28,231,213 km (0.064 R)
• M23: 28,465,932 km (0.06 R)
• M24: 29,058,489 km (0.12 R)
• M25: 32,273,347 km (0.094 R)
• M26: 33,833,802 km (0.066 R)
• M27: 34,098,740 km (0.058 R)
• M28: 35,036,719 km (0.071 R)
• M29: 36,267,909 km (0.105 R)
• M30: 45,060,973 km (0.087 R)
• M31: 50,376,185 km (0.118 R)
• M32: 50,721,607 km (0.115 R)
• M33: 54,444,499 km (0.076 R)
• M34: 55,356,897 km (0.06 R)
• M35: 74,462,639 km (0.097 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: 379 - 11,060 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit