🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.2

Radius: 12.4

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.44 AU - 0.58 AU

Year: 243 Days

Day: 12.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 95,241,004 km

• M1: 154,235 km (0.113 R)
• M2: 831,166 km (0.088 R)
• M3: 1,308,832 km (0.109 R)
• M4: 1,730,099 km (0.057 R)
• M5: 2,266,857 km (0.107 R)
• M6: 2,655,213 km (0.108 R)
• M7: 3,558,036 km (0.082 R)
• M8: 4,027,324 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.5

Radius: 13.3

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.47 AU - 0.57 AU

Year: 250 Days

Day: 11 Hours

Environment

Temp: -151 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 95,241,004 km

• M1: 165,455 km (0.12 R)
• M2: 590,612 km (0.077 R)
• M3: 1,196,783 km (0.037 R)
• M4: 1,645,277 km (0.102 R)
• M5: 2,162,138 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.5

Radius: 8.9

Gravity: 12.35 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.85 AU - 0.87 AU

Year: 532 Days

Day: 8.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 95,241,004 km

• M1: 110,702 km (0.088 R)
• M2: 595,848 km (0.079 R)
• M3: 953,238 km (0.084 R)
• M4: 1,308,682 km (0.096 R)
• M5: 1,719,628 km (0.081 R)
• M6: 2,625,592 km (0.07 R)
• M7: 3,147,090 km (0.111 R)
• M8: 3,492,213 km (0.103 R)
• M9: 3,876,829 km (0.064 R)
• M10: 4,289,420 km (0.083 R)
• M11: 4,570,065 km (0.074 R)
• M12: 5,486,502 km (0.09 R)
• M13: 6,142,937 km (0.117 R)
• M14: 6,643,193 km (0.112 R)
• M15: 7,388,788 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.4

Radius: 14.3

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.5 AU - 1.78 AU

Year: 1401 Days

Day: 10.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 95,241,004 km

• M1: 177,872 km (0.105 R)
• M2: 1,001,707 km (0.1 R)
• M3: 1,495,979 km (0.117 R)
• M4: 2,037,224 km (0.094 R)
• M5: 2,619,459 km (0.069 R)
• M6: 3,480,245 km (0.091 R)
• M7: 4,020,592 km (0.082 R)
• M8: 4,485,543 km (0.088 R)
• M9: 5,026,638 km (0.085 R)
• M10: 5,568,033 km (0.105 R)
• M11: 6,287,898 km (0.108 R)
• M12: 6,917,705 km (0.097 R)
• M13: 7,723,588 km (0.091 R)
• M14: 8,361,474 km (0.11 R)
• M15: 9,679,581 km (0.111 R)
• M16: 11,731,016 km (0.094 R)
• M17: 12,612,746 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.8

Radius: 13.4

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.75 AU - 1.83 AU

Year: 1597 Days

Day: 14.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 95,241,004 km

• M1: 166,652 km (0.116 R)
• M2: 820,993 km (0.085 R)
• M3: 1,735,784 km (0.109 R)
• M4: 2,163,933 km (0.114 R)
• M5: 2,663,590 km (0.083 R)
• M6: 3,476,206 km (0.101 R)
• M7: 4,110,351 km (0.059 R)
• M8: 4,694,232 km (0.094 R)
• M9: 5,130,609 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 310.8

Radius: 4.9

Gravity: 12.94 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 6.44 AU - 10.68 AU

Year: 16701 Days

Day: 16.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 95,241,004 km

• M1: 62,831 km (0.064 R)
• M2: 324,478 km (0.062 R)
• M3: 1,024,596 km (0.114 R)
• M4: 1,337,106 km (0.051 R)
• M5: 1,710,652 km (0.117 R)
• M6: 2,042,909 km (0.049 R)
• M7: 2,319,515 km (0.117 R)
• M8: 2,579,217 km (0.026 R)
• M9: 3,400,210 km (0.101 R)
• M10: 4,971,287 km (0.045 R)
• M11: 5,234,280 km (0.087 R)
• M12: 7,093,333 km (0.067 R)
• M13: 7,511,758 km (0.076 R)
• M14: 10,060,906 km (0.12 R)
• M15: 10,969,413 km (0.101 R)
• M16: 12,462,849 km (0.044 R)
• M17: 12,704,001 km (0.103 R)
• M18: 13,383,325 km (0.078 R)
• M19: 15,776,143 km (0.038 R)
• M20: 16,779,047 km (0.052 R)
• M21: 20,707,487 km (0.119 R)
• M22: 21,216,568 km (0.117 R)
• M23: 23,154,609 km (0.084 R)
• M24: 43,625,133 km (0.116 R)
• M25: 44,461,086 km (0.111 R)

Asteroid Belt

Center: 9.04 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 291.1

Radius: 3.5

Gravity: 23.76 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 7.64 AU - 11.38 AU

Year: 19557 Days

Day: 20.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 95,241,004 km

• M1: 43,533 km (0.078 R)
• M2: 191,485 km (0.065 R)
• M3: 382,971 km (0.11 R)
• M4: 595,400 km (0.093 R)
• M5: 1,103,434 km (0.063 R)
• M6: 1,416,991 km (0.114 R)
• M7: 1,906,176 km (0.093 R)
• M8: 2,256,833 km (0.12 R)
• M9: 2,499,631 km (0.082 R)
• M10: 3,060,922 km (0.098 R)
• M11: 3,540,533 km (0.045 R)
• M12: 4,215,668 km (0.107 R)
• M13: 5,815,916 km (0.12 R)
• M14: 6,915,162 km (0.064 R)
• M15: 7,825,465 km (0.041 R)
• M16: 7,961,748 km (0.061 R)
• M17: 8,285,777 km (0.063 R)
• M18: 8,910,947 km (0.035 R)
• M19: 9,986,256 km (0.092 R)
• M20: 10,693,555 km (0.105 R)
• M21: 18,223,265 km (0.074 R)
• M22: 21,860,737 km (0.071 R)
• M23: 22,495,181 km (0.069 R)
• M24: 23,328,890 km (0.105 R)
• M25: 24,666,445 km (0.117 R)
• M26: 27,703,132 km (0.082 R)
• M27: 28,232,409 km (0.092 R)
• M28: 32,126,891 km (0.046 R)
• M29: 33,301,982 km (0.043 R)
• M30: 33,420,912 km (0.062 R)
• M31: 34,262,400 km (0.034 R)
• M32: 34,627,270 km (0.055 R)
• M33: 34,749,491 km (0.069 R)
• M34: 36,617,220 km (0.047 R)
• M35: 45,779,791 km (0.09 R)
• M36: 55,349,866 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 468.7

Radius: 6.7

Gravity: 10.44 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 7.32 AU - 11.7 AU

Year: 19557 Days

Day: 23.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 95,241,004 km

• M1: 89,310 km (0.112 R)
• M2: 407,505 km (0.099 R)
• M3: 1,126,472 km (0.104 R)
• M4: 1,500,766 km (0.07 R)
• M5: 2,164,980 km (0.093 R)
• M6: 2,608,239 km (0.06 R)
• M7: 3,424,894 km (0.068 R)
• M8: 4,149,097 km (0.116 R)
• M9: 6,504,665 km (0.07 R)
• M10: 8,579,587 km (0.097 R)
• M11: 9,960,525 km (0.091 R)
• M12: 15,806,062 km (0.051 R)
• M13: 25,852,756 km (0.025 R)
• M14: 26,278,212 km (0.118 R)
• M15: 28,250,212 km (0.12 R)
• M16: 31,752,597 km (0.085 R)
• M17: 35,013,382 km (0.092 R)
• M18: 35,403,383 km (0.093 R)
• M19: 37,668,594 km (0.101 R)
• M20: 38,078,044 km (0.11 R)
• M21: 42,337,993 km (0.064 R)
• M22: 44,127,482 km (0.105 R)
• M23: 47,856,359 km (0.051 R)
• M24: 51,790,035 km (0.114 R)
• M25: 52,127,228 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 588.8

Radius: 6.8

Gravity: 12.73 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 9.28 AU - 11.02 AU

Year: 21564 Days

Day: 22.4 Hours

Environment

Temp: -242 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 95,241,004 km

• M1: 87,365 km (0.088 R)
• M2: 1,083,388 km (0.101 R)
• M3: 3,342,465 km (0.037 R)
• M4: 3,902,260 km (0.045 R)
• M5: 13,572,267 km (0.036 R)
• M6: 14,156,447 km (0.091 R)
• M7: 14,910,121 km (0.118 R)
• M8: 15,532,149 km (0.095 R)
• M9: 18,546,695 km (0.112 R)
• M10: 18,904,085 km (0.112 R)
• M11: 23,766,464 km (0.113 R)
• M12: 24,829,955 km (0.081 R)
• M13: 25,373,444 km (0.089 R)
• M14: 26,147,464 km (0.045 R)
• M15: 29,765,788 km (0.076 R)
• M16: 37,690,585 km (0.069 R)
• M17: 38,263,994 km (0.102 R)
• M18: 51,866,330 km (0.104 R)
• M19: 57,156,260 km (0.115 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 951.3

Radius: 6.5

Gravity: 22.52 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 9.11 AU - 12.55 AU

Year: 23767 Days

Day: 15.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 95,241,004 km

• M1: 80,932 km (0.063 R)
• M2: 775,665 km (0.117 R)
• M3: 1,831,826 km (0.069 R)
• M4: 2,888,436 km (0.084 R)
• M5: 3,594,687 km (0.08 R)
• M6: 4,784,738 km (0.099 R)
• M7: 5,639,241 km (0.116 R)
• M8: 6,171,062 km (0.043 R)
• M9: 6,981,134 km (0.087 R)
• M10: 7,489,468 km (0.104 R)
• M11: 9,710,547 km (0.054 R)
• M12: 10,736,938 km (0.117 R)
• M13: 12,927,949 km (0.105 R)
• M14: 15,316,279 km (0.058 R)
• M15: 16,703,051 km (0.068 R)
• M16: 17,244,147 km (0.037 R)
• M17: 22,324,041 km (0.034 R)
• M18: 22,980,327 km (0.113 R)
• M19: 24,793,304 km (0.055 R)
• M20: 25,143,662 km (0.064 R)
• M21: 25,973,781 km (0.094 R)
• M22: 29,477,363 km (0.048 R)
• M23: 30,002,302 km (0.097 R)
• M24: 37,558,041 km (0.096 R)
• M25: 39,746,658 km (0.114 R)
• M26: 46,113,244 km (0.113 R)
• M27: 50,652,792 km (0.039 R)
• M28: 55,282,696 km (0.112 R)
• M29: 55,880,489 km (0.118 R)
• M30: 59,767,341 km (0.098 R)
• M31: 60,819,463 km (0.043 R)
• M32: 61,669,927 km (0.088 R)
• M33: 62,960,358 km (0.089 R)
• M34: 63,612,455 km (0.074 R)
• M35: 81,411,460 km (0.106 R)
• M36: 81,668,769 km (0.08 R)
• M37: 86,127,683 km (0.178 R)
• M38: 90,469,911 km (0.113 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 407 - 17,075 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit