🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.9

Radius: 14

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.84 AU - 1.26 AU

Year: 695 Days

Day: 9.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,753,218 km

• M1: 174,132 km (0.069 R)
• M2: 616,493 km (0.105 R)
• M3: 1,055,263 km (0.089 R)
• M4: 1,568,534 km (0.083 R)
• M5: 2,364,095 km (0.102 R)
• M6: 2,861,358 km (0.063 R)
• M7: 3,530,360 km (0.03 R)
• M8: 4,952,886 km (0.029 R)
• M9: 5,562,198 km (0.026 R)
• M10: 6,316,920 km (0.084 R)
• M11: 7,055,634 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.6

Radius: 8.7

Gravity: 9.88 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.94 AU - 1.34 AU

Year: 786 Days

Day: 14.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 86,753,218 km

• M1: 108,159 km (0.045 R)
• M2: 441,613 km (0.055 R)
• M3: 1,135,149 km (0.069 R)
• M4: 1,478,177 km (0.106 R)
• M5: 1,835,715 km (0.113 R)
• M6: 2,189,215 km (0.115 R)
• M7: 2,835,328 km (0.116 R)
• M8: 3,503,433 km (0.053 R)
• M9: 4,113,493 km (0.11 R)
• M10: 4,933,588 km (0.062 R)
• M11: 5,838,506 km (0.069 R)
• M12: 6,673,711 km (0.049 R)
• M13: 6,961,836 km (0.086 R)
• M14: 7,634,279 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.9

Radius: 14.9

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.28 AU - 1.88 AU

Year: 1282 Days

Day: 7.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 86,753,218 km

• M1: 186,249 km (0.059 R)
• M2: 758,910 km (0.094 R)
• M3: 1,420,731 km (0.116 R)
• M4: 2,585,500 km (0.063 R)
• M5: 3,266,918 km (0.077 R)
• M6: 3,876,380 km (0.095 R)
• M7: 6,151,315 km (0.067 R)
• M8: 7,615,878 km (0.059 R)
• M9: 8,401,267 km (0.1 R)
• M10: 9,240,361 km (0.111 R)
• M11: 10,134,508 km (0.066 R)
• M12: 11,439,600 km (0.07 R)
• M13: 11,911,132 km (0.049 R)
• M14: 13,127,064 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.8

Radius: 12.2

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.65 AU - 1.81 AU

Year: 1469 Days

Day: 6.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,753,218 km

• M1: 151,692 km (0.057 R)
• M2: 605,123 km (0.101 R)
• M3: 1,019,360 km (0.106 R)
• M4: 1,614,011 km (0.058 R)
• M5: 3,269,611 km (0.115 R)
• M6: 4,528,028 km (0.085 R)
• M7: 6,043,904 km (0.102 R)
• M8: 6,543,112 km (0.048 R)
• M9: 8,156,226 km (0.099 R)
• M10: 8,794,260 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180

Radius: 8.1

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.97 AU - 5.39 AU

Year: 6537 Days

Day: 11.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,753,218 km

• M1: 100,679 km (0.084 R)
• M2: 1,054,515 km (0.072 R)
• M3: 1,456,036 km (0.1 R)
• M4: 1,794,426 km (0.114 R)
• M5: 2,312,783 km (0.087 R)
• M6: 2,568,296 km (0.076 R)
• M7: 2,944,385 km (0.055 R)
• M8: 3,282,476 km (0.088 R)
• M9: 3,827,910 km (0.12 R)
• M10: 5,149,009 km (0.086 R)
• M11: 5,695,041 km (0.092 R)
• M12: 7,631,586 km (0.108 R)
• M13: 8,341,428 km (0.073 R)
• M14: 10,088,581 km (0.115 R)
• M15: 13,601,738 km (0.115 R)
• M16: 15,419,801 km (0.044 R)
• M17: 17,337,047 km (0.087 R)
• M18: 20,920,065 km (0.088 R)
• M19: 21,506,788 km (0.1 R)
• M20: 23,125,138 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.3

Radius: 11.7

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 4.07 AU - 6.37 AU

Year: 7701 Days

Day: 13.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 86,753,218 km

• M1: 145,559 km (0.074 R)
• M2: 584,329 km (0.087 R)
• M3: 950,844 km (0.083 R)
• M4: 1,769,593 km (0.079 R)
• M5: 2,884,546 km (0.085 R)
• M6: 4,824,831 km (0.114 R)
• M7: 5,676,491 km (0.083 R)
• M8: 6,406,080 km (0.115 R)
• M9: 6,888,384 km (0.063 R)
• M10: 8,094,741 km (0.077 R)
• M11: 8,703,754 km (0.103 R)
• M12: 11,504,076 km (0.086 R)
• M13: 12,051,006 km (0.097 R)
• M14: 12,672,585 km (0.102 R)
• M15: 14,476,736 km (0.109 R)
• M16: 16,652,637 km (0.119 R)
• M17: 18,514,232 km (0.085 R)
• M18: 21,234,371 km (0.061 R)
• M19: 22,647,173 km (0.081 R)
• M20: 27,165,477 km (0.093 R)
• M21: 28,136,068 km (0.112 R)
• M22: 32,143,795 km (0.099 R)
• M23: 37,818,491 km (0.103 R)
• M24: 38,299,448 km (0.085 R)
• M25: 40,514,245 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 865.5

Radius: 5.4

Gravity: 29.68 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.59 AU - 7.59 AU

Year: 9704 Days

Day: 23.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 86,753,218 km

• M1: 69,563 km (0.105 R)
• M2: 290,968 km (0.095 R)
• M3: 733,927 km (0.059 R)
• M4: 989,889 km (0.086 R)
• M5: 1,180,626 km (0.114 R)
• M6: 1,622,539 km (0.119 R)
• M7: 2,414,061 km (0.101 R)
• M8: 3,007,067 km (0.104 R)
• M9: 3,825,218 km (0.065 R)
• M10: 4,044,079 km (0.113 R)
• M11: 4,972,334 km (0.029 R)
• M12: 6,561,063 km (0.095 R)
• M13: 7,533,599 km (0.095 R)
• M14: 8,143,360 km (0.112 R)
• M15: 8,368,954 km (0.106 R)
• M16: 8,879,980 km (0.12 R)
• M17: 12,630,099 km (0.111 R)
• M18: 15,597,822 km (0.104 R)
• M19: 16,370,794 km (0.119 R)
• M20: 17,390,902 km (0.111 R)
• M21: 18,375,555 km (0.083 R)
• M22: 20,538,441 km (0.091 R)
• M23: 21,724,004 km (0.086 R)
• M24: 23,586,947 km (0.096 R)
• M25: 23,769,755 km (0.04 R)
• M26: 29,597,640 km (0.118 R)
• M27: 30,346,676 km (0.112 R)
• M28: 30,889,268 km (0.119 R)
• M29: 31,328,038 km (0.113 R)
• M30: 33,010,266 km (0.112 R)
• M31: 33,353,892 km (0.073 R)
• M32: 34,516,268 km (0.09 R)
• M33: 36,067,448 km (0.093 R)
• M34: 36,553,941 km (0.11 R)
• M35: 44,246,712 km (0.079 R)
• M36: 47,954,345 km (0.113 R)
• M37: 50,638,879 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 411.4

Radius: 4.5

Gravity: 20.32 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 8.7 AU - 9.98 AU

Year: 18430 Days

Day: 23.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 86,753,218 km

• M1: 55,950 km (0.065 R)
• M2: 260,899 km (0.106 R)
• M3: 634,594 km (0.109 R)
• M4: 916,736 km (0.086 R)
• M5: 1,135,897 km (0.062 R)
• M6: 1,537,268 km (0.105 R)
• M7: 1,865,336 km (0.072 R)
• M8: 2,046,200 km (0.114 R)
• M9: 2,443,083 km (0.112 R)
• M10: 3,310,302 km (0.107 R)
• M11: 3,658,715 km (0.089 R)
• M12: 5,739,472 km (0.057 R)
• M13: 6,006,504 km (0.105 R)
• M14: 6,689,269 km (0.106 R)
• M15: 7,602,564 km (0.097 R)
• M16: 8,400,369 km (0.108 R)
• M17: 10,105,935 km (0.088 R)
• M18: 11,542,373 km (0.059 R)
• M19: 15,170,720 km (0.078 R)
• M20: 19,237,837 km (0.116 R)
• M21: 19,835,331 km (0.086 R)
• M22: 20,533,355 km (0.097 R)
• M23: 22,725,712 km (0.076 R)
• M24: 26,928,814 km (0.099 R)
• M25: 27,461,232 km (0.049 R)
• M26: 31,976,395 km (0.05 R)
• M27: 34,784,198 km (0.058 R)
• M28: 35,162,082 km (0.088 R)
• M29: 37,092,942 km (0.092 R)
• M30: 42,585,128 km (0.088 R)
• M31: 51,149,307 km (0.112 R)
• M32: 54,635,536 km (0.113 R)
• M33: 60,610,176 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 933.9

Radius: 3.1

Gravity: 97.18 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 9.3 AU - 9.5 AU

Year: 18608 Days

Day: 23.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 86,753,218 km

• M1: 38,596 km (0.048 R)
• M2: 151,393 km (0.06 R)
• M3: 254,466 km (0.09 R)
• M4: 491,878 km (0.113 R)
• M5: 652,995 km (0.106 R)
• M6: 1,016,368 km (0.065 R)
• M7: 1,235,080 km (0.041 R)
• M8: 1,585,588 km (0.093 R)
• M9: 1,765,255 km (0.071 R)
• M10: 1,998,777 km (0.114 R)
• M11: 2,772,198 km (0.032 R)
• M12: 2,979,690 km (0.117 R)
• M13: 3,087,251 km (0.11 R)
• M14: 3,225,480 km (0.106 R)
• M15: 3,726,184 km (0.086 R)
• M16: 4,448,741 km (0.06 R)
• M17: 5,618,447 km (0.117 R)
• M18: 6,608,636 km (0.11 R)
• M19: 7,609,146 km (0.087 R)
• M20: 10,699,838 km (0.086 R)
• M21: 11,735,055 km (0.116 R)
• M22: 11,936,414 km (0.108 R)
• M23: 15,079,914 km (0.118 R)
• M24: 16,377,825 km (0.034 R)
• M25: 17,312,064 km (0.11 R)
• M26: 18,461,275 km (0.1 R)
• M27: 29,539,745 km (0.119 R)
• M28: 30,539,657 km (0.109 R)
• M29: 35,041,656 km (0.067 R)
• M30: 36,020,475 km (0.091 R)
• M31: 39,664,679 km (0.115 R)
• M32: 48,186,970 km (0.028 R)
• M33: 51,516,570 km (0.103 R)
• M34: 54,250,920 km (0.03 R)
• M35: 55,559,452 km (0.117 R)
• M36: 59,020,549 km (0.116 R)
• M37: 65,944,985 km (0.051 R)
• M38: 72,487,349 km (0.103 R)
• M39: 75,683,208 km (0.066 R)
• M40: 75,914,935 km (0.107 R)
• M41: 76,613,258 km (0.072 R)
• M42: 79,449,036 km (0.091 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 868.5

Radius: 3.2

Gravity: 84.81 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 9.21 AU - 11.57 AU

Year: 21624 Days

Day: 19.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 86,753,218 km

• M1: 39,793 km (0.076 R)
• M2: 189,690 km (0.119 R)
• M3: 298,747 km (0.076 R)
• M4: 520,601 km (0.05 R)
• M5: 765,193 km (0.092 R)
• M6: 1,330,673 km (0.106 R)
• M7: 1,599,351 km (0.086 R)
• M8: 3,539,037 km (0.059 R)
• M9: 4,686,153 km (0.084 R)
• M10: 4,949,745 km (0.052 R)
• M11: 5,065,833 km (0.068 R)
• M12: 8,100,575 km (0.068 R)
• M13: 8,370,450 km (0.081 R)
• M14: 10,179,238 km (0.111 R)
• M15: 10,814,131 km (0.12 R)
• M16: 15,930,079 km (0.101 R)
• M17: 16,353,441 km (0.08 R)
• M18: 16,697,516 km (0.118 R)
• M19: 17,578,647 km (0.116 R)
• M20: 17,939,627 km (0.116 R)
• M21: 18,397,845 km (0.045 R)
• M22: 19,147,031 km (0.065 R)
• M23: 20,111,788 km (0.103 R)
• M24: 24,074,037 km (0.063 R)
• M25: 24,631,140 km (0.096 R)
• M26: 24,743,637 km (0.115 R)
• M27: 25,655,586 km (0.093 R)
• M28: 29,910,149 km (0.028 R)
• M29: 41,826,218 km (0.118 R)
• M30: 45,612,690 km (0.097 R)
• M31: 53,858,525 km (0.049 R)
• M32: 55,580,097 km (0.104 R)
• M33: 56,356,809 km (0.084 R)
• M34: 65,600,162 km (0.059 R)
• M35: 76,998,323 km (0.118 R)
• M36: 82,909,384 km (0.055 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 327 - 17,616 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit