🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.3

Radius: 11

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.8 AU - 0.82 AU

Year: 494 Days

Day: 8.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,679,154 km

• M1: 136,882 km (0.114 R)
• M2: 569,369 km (0.081 R)
• M3: 1,086,380 km (0.06 R)
• M4: 1,486,105 km (0.065 R)
• M5: 1,998,029 km (0.089 R)
• M6: 2,577,123 km (0.12 R)
• M7: 2,937,504 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.8

Radius: 14.8

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.03 AU - 1.69 AU

Year: 1076 Days

Day: 5.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,679,154 km

• M1: 184,005 km (0.112 R)
• M2: 687,851 km (0.065 R)
• M3: 2,731,208 km (0.096 R)
• M4: 3,323,915 km (0.09 R)
• M5: 4,018,348 km (0.075 R)
• M6: 6,837,520 km (0.078 R)
• M7: 7,485,728 km (0.085 R)
• M8: 8,069,908 km (0.067 R)
• M9: 9,045,585 km (0.113 R)
• M10: 10,717,939 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.5

Radius: 12.3

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.69 AU - 1.75 AU

Year: 1530 Days

Day: 10.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,679,154 km

• M1: 163,660 km (0.084 R)
• M2: 636,090 km (0.119 R)
• M3: 1,027,887 km (0.053 R)
• M4: 1,443,470 km (0.063 R)
• M5: 2,361,702 km (0.097 R)
• M6: 2,868,539 km (0.104 R)
• M7: 3,915,425 km (0.069 R)
• M8: 5,709,702 km (0.051 R)
• M9: 6,204,272 km (0.105 R)
• M10: 7,673,922 km (0.038 R)
• M11: 9,211,788 km (0.116 R)
• M12: 10,946,226 km (0.101 R)
• M13: 11,747,622 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.4

Radius: 10.5

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.4 AU - 2.32 AU

Year: 1721 Days

Day: 11.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,679,154 km

• M1: 130,749 km (0.066 R)
• M2: 880,383 km (0.117 R)
• M3: 1,679,087 km (0.063 R)
• M4: 2,214,946 km (0.091 R)
• M5: 2,951,117 km (0.059 R)
• M6: 3,343,812 km (0.11 R)
• M7: 5,459,574 km (0.097 R)
• M8: 6,878,959 km (0.085 R)
• M9: 7,689,031 km (0.042 R)
• M10: 8,192,727 km (0.095 R)
• M11: 8,718,414 km (0.058 R)
• M12: 9,734,782 km (0.098 R)
• M13: 10,610,528 km (0.104 R)
• M14: 13,724,707 km (0.097 R)
• M15: 14,378,151 km (0.067 R)
• M16: 15,143,792 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.2

Radius: 14

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.9 AU - 5.28 AU

Year: 7789 Days

Day: 5.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 70,679,154 km

• M1: 175,628 km (0.119 R)
• M2: 969,095 km (0.071 R)
• M3: 1,664,576 km (0.067 R)
• M4: 2,244,866 km (0.09 R)
• M5: 2,737,940 km (0.117 R)
• M6: 3,416,516 km (0.098 R)
• M7: 4,231,974 km (0.103 R)
• M8: 4,963,059 km (0.109 R)
• M9: 5,810,082 km (0.118 R)
• M10: 8,457,964 km (0.057 R)
• M11: 8,937,426 km (0.065 R)
• M12: 11,720,245 km (0.12 R)
• M13: 15,939,354 km (0.1 R)
• M14: 16,605,364 km (0.071 R)
• M15: 18,136,049 km (0.031 R)
• M16: 19,456,998 km (0.076 R)
• M17: 22,372,511 km (0.104 R)
• M18: 24,325,063 km (0.12 R)
• M19: 26,852,668 km (0.048 R)
• M20: 28,859,972 km (0.047 R)
• M21: 30,151,600 km (0.1 R)
• M22: 30,760,613 km (0.095 R)
• M23: 31,481,526 km (0.108 R)
• M24: 32,424,890 km (0.109 R)
• M25: 38,723,409 km (0.113 R)
• M26: 40,049,744 km (0.093 R)
• M27: 41,157,366 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.7

Radius: 12.5

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.48 AU - 5.78 AU

Year: 7881 Days

Day: 12 Hours

Environment

Temp: -223 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,679,154 km

• M1: 155,582 km (0.061 R)
• M2: 611,855 km (0.116 R)
• M3: 1,396,795 km (0.082 R)
• M4: 2,039,767 km (0.101 R)
• M5: 2,481,529 km (0.081 R)
• M6: 3,026,215 km (0.114 R)
• M7: 3,583,767 km (0.05 R)
• M8: 4,561,538 km (0.116 R)
• M9: 5,769,990 km (0.055 R)
• M10: 7,873,785 km (0.094 R)
• M11: 8,974,825 km (0.079 R)
• M12: 9,822,297 km (0.093 R)
• M13: 10,401,390 km (0.094 R)
• M14: 11,973,814 km (0.111 R)
• M15: 14,938,694 km (0.119 R)
• M16: 15,705,084 km (0.077 R)
• M17: 16,559,736 km (0.068 R)
• M18: 18,096,705 km (0.036 R)
• M19: 19,517,885 km (0.12 R)
• M20: 24,307,709 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 829.9

Radius: 4.2

Gravity: 47.05 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 8.04 AU - 8.5 AU

Year: 16131 Days

Day: 15 Hours

Environment

Temp: -237 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 70,679,154 km

• M1: 52,210 km (0.095 R)
• M2: 182,958 km (0.111 R)
• M3: 549,323 km (0.07 R)
• M4: 769,831 km (0.064 R)
• M5: 906,713 km (0.119 R)
• M6: 1,782,907 km (0.061 R)
• M7: 2,104,244 km (0.104 R)
• M8: 2,764,120 km (0.118 R)
• M9: 3,089,196 km (0.092 R)
• M10: 4,122,768 km (0.071 R)
• M11: 4,347,763 km (0.088 R)
• M12: 5,255,373 km (0.1 R)
• M13: 6,755,241 km (0.084 R)
• M14: 7,251,009 km (0.07 R)
• M15: 7,916,570 km (0.087 R)
• M16: 8,830,912 km (0.045 R)
• M17: 9,259,061 km (0.119 R)
• M18: 9,645,024 km (0.119 R)
• M19: 10,927,676 km (0.102 R)
• M20: 14,771,294 km (0.107 R)
• M21: 17,116,091 km (0.08 R)
• M22: 19,250,254 km (0.08 R)
• M23: 19,428,275 km (0.109 R)
• M24: 19,607,344 km (0.114 R)
• M25: 20,060,027 km (0.118 R)
• M26: 22,526,747 km (0.045 R)
• M27: 35,206,961 km (0.089 R)
• M28: 43,640,392 km (0.105 R)
• M29: 44,878,314 km (0.046 R)
• M30: 52,453,801 km (0.089 R)
• M31: 53,325,208 km (0.117 R)
• M32: 57,274,143 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 578.9

Radius: 3.5

Gravity: 47.26 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 7.91 AU - 13.18 AU

Year: 23209 Days

Day: 18.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 70,679,154 km

• M1: 43,683 km (0.028 R)
• M2: 440,566 km (0.12 R)
• M3: 1,168,808 km (0.03 R)
• M4: 2,020,319 km (0.077 R)
• M5: 2,845,202 km (0.113 R)
• M6: 3,625,804 km (0.079 R)
• M7: 5,049,078 km (0.097 R)
• M8: 5,842,246 km (0.053 R)
• M9: 6,095,515 km (0.105 R)
• M10: 6,715,000 km (0.104 R)
• M11: 7,872,887 km (0.086 R)
• M12: 8,769,427 km (0.05 R)
• M13: 14,212,097 km (0.081 R)
• M14: 15,938,756 km (0.097 R)
• M15: 17,712,837 km (0.11 R)
• M16: 19,614,076 km (0.073 R)
• M17: 21,447,697 km (0.096 R)
• M18: 23,077,865 km (0.101 R)
• M19: 24,245,327 km (0.066 R)
• M20: 30,676,988 km (0.061 R)
• M21: 32,086,649 km (0.065 R)
• M22: 34,077,647 km (0.104 R)
• M23: 37,866,363 km (0.068 R)
• M24: 40,542,220 km (0.089 R)
• M25: 47,608,176 km (0.11 R)
• M26: 48,630,977 km (0.069 R)
• M27: 51,252,081 km (0.034 R)
• M28: 51,966,560 km (0.064 R)
• M29: 52,869,084 km (0.084 R)
• M30: 57,346,698 km (0.115 R)
• M31: 63,086,170 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 389.7

Radius: 4.6

Gravity: 18.42 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 8.05 AU - 13.35 AU

Year: 23739 Days

Day: 19.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 70,679,154 km

• M1: 57,296 km (0.078 R)
• M2: 205,248 km (0.077 R)
• M3: 357,389 km (0.088 R)
• M4: 588,967 km (0.097 R)
• M5: 829,819 km (0.108 R)
• M6: 973,733 km (0.089 R)
• M7: 1,327,382 km (0.107 R)
• M8: 2,459,239 km (0.097 R)
• M9: 3,059,276 km (0.109 R)
• M10: 3,634,480 km (0.114 R)
• M11: 4,996,120 km (0.117 R)
• M12: 5,950,854 km (0.096 R)
• M13: 6,797,578 km (0.101 R)
• M14: 7,483,334 km (0.091 R)
• M15: 8,570,911 km (0.096 R)
• M16: 8,726,941 km (0.086 R)
• M17: 10,511,794 km (0.087 R)
• M18: 14,414,503 km (0.115 R)
• M19: 15,618,616 km (0.08 R)
• M20: 15,929,929 km (0.107 R)
• M21: 18,139,789 km (0.057 R)
• M22: 20,360,719 km (0.091 R)
• M23: 26,307,085 km (0.079 R)
• M24: 27,193,003 km (0.118 R)
• M25: 28,558,982 km (0.106 R)
• M26: 29,376,683 km (0.099 R)
• M27: 30,692,846 km (0.043 R)
• M28: 32,298,479 km (0.094 R)
• M29: 39,281,558 km (0.098 R)
• M30: 39,856,912 km (0.11 R)
• M31: 43,275,074 km (0.11 R)
• M32: 45,290,905 km (0.055 R)
• M33: 56,862,450 km (0.111 R)
• M34: 63,520,303 km (0.041 R)
• M35: 68,997,680 km (0.071 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 347 - 17,305 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit