🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.8

Radius: 11.6

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.59 AU - 0.91 AU

Year: 457 Days

Day: 10.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,845,626 km

• M1: 144,212 km (0.035 R)
• M2: 519,703 km (0.106 R)
• M3: 1,015,470 km (0.074 R)
• M4: 1,449,903 km (0.094 R)
• M5: 1,926,222 km (0.075 R)
• M6: 2,452,956 km (0.085 R)
• M7: 3,043,569 km (0.109 R)
• M8: 3,645,102 km (0.11 R)
• M9: 4,443,506 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.9

Radius: 12.6

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.87 AU - 0.89 AU

Year: 580 Days

Day: 15 Hours

Environment

Temp: -171 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,845,626 km

• M1: 159,920 km (0.101 R)
• M2: 585,227 km (0.048 R)
• M3: 1,164,619 km (0.061 R)
• M4: 1,569,730 km (0.084 R)
• M5: 2,125,187 km (0.092 R)
• M6: 2,765,765 km (0.08 R)
• M7: 3,180,600 km (0.059 R)
• M8: 3,923,803 km (0.075 R)
• M9: 4,991,632 km (0.095 R)
• M10: 5,416,939 km (0.03 R)
• M11: 6,015,779 km (0.034 R)
• M12: 6,759,580 km (0.082 R)
• M13: 7,281,676 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235

Radius: 10.3

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.06 AU - 1.42 AU

Year: 971 Days

Day: 9 Hours

Environment

Temp: -183 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,845,626 km

• M1: 128,056 km (0.119 R)
• M2: 498,011 km (0.095 R)
• M3: 841,338 km (0.079 R)
• M4: 1,499,868 km (0.078 R)
• M5: 1,868,178 km (0.104 R)
• M6: 2,239,779 km (0.07 R)
• M7: 2,891,128 km (0.087 R)
• M8: 3,717,806 km (0.05 R)
• M9: 4,150,294 km (0.09 R)
• M10: 4,492,723 km (0.067 R)
• M11: 5,000,758 km (0.101 R)
• M12: 5,406,617 km (0.114 R)
• M13: 6,019,370 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.6

Radius: 9

Gravity: 10.56 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.33 AU - 1.93 AU

Year: 1463 Days

Day: 10.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,845,626 km

• M1: 112,946 km (0.03 R)
• M2: 448,046 km (0.112 R)
• M3: 849,866 km (0.097 R)
• M4: 1,274,275 km (0.113 R)
• M5: 1,578,856 km (0.059 R)
• M6: 2,451,909 km (0.072 R)
• M7: 3,909,740 km (0.068 R)
• M8: 5,711,946 km (0.104 R)
• M9: 7,365,002 km (0.071 R)
• M10: 7,668,686 km (0.065 R)
• M11: 7,952,024 km (0.1 R)
• M12: 8,330,806 km (0.115 R)
• M13: 9,315,011 km (0.107 R)
• M14: 9,703,217 km (0.09 R)
• M15: 10,237,880 km (0.099 R)
• M16: 11,660,406 km (0.1 R)
• M17: 12,380,421 km (0.068 R)
• M18: 13,659,632 km (0.08 R)
• M19: 14,331,326 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.9

Radius: 13.9

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.25 AU - 2.61 AU

Year: 2663 Days

Day: 13.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,845,626 km

• M1: 173,384 km (0.084 R)
• M2: 621,130 km (0.101 R)
• M3: 1,081,293 km (0.044 R)
• M4: 1,769,743 km (0.033 R)
• M5: 2,284,659 km (0.041 R)
• M6: 3,400,060 km (0.09 R)
• M7: 4,828,720 km (0.074 R)
• M8: 5,511,485 km (0.104 R)
• M9: 6,483,123 km (0.118 R)
• M10: 8,489,380 km (0.104 R)
• M11: 10,090,227 km (0.095 R)
• M12: 11,884,354 km (0.078 R)
• M13: 14,026,895 km (0.119 R)
• M14: 15,266,164 km (0.104 R)
• M15: 16,957,367 km (0.112 R)
• M16: 19,302,763 km (0.084 R)
• M17: 21,469,987 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.3

Radius: 14.5

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.44 AU - 2.76 AU

Year: 2947 Days

Day: 9.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 178.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 35,845,626 km

• M1: 180,415 km (0.075 R)
• M2: 665,860 km (0.092 R)
• M3: 1,180,477 km (0.078 R)
• M4: 2,354,521 km (0.112 R)
• M5: 3,530,211 km (0.116 R)
• M6: 4,178,568 km (0.086 R)
• M7: 6,116,608 km (0.054 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 917.1

Radius: 7

Gravity: 18.72 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 5.53 AU - 8.41 AU

Year: 12935 Days

Day: 19.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,845,626 km

• M1: 87,066 km (0.037 R)
• M2: 329,415 km (0.114 R)
• M3: 588,069 km (0.044 R)
• M4: 1,008,140 km (0.07 R)
• M5: 1,846,636 km (0.118 R)
• M6: 3,661,109 km (0.083 R)
• M7: 4,563,333 km (0.066 R)
• M8: 11,027,009 km (0.11 R)
• M9: 12,819,490 km (0.114 R)
• M10: 14,797,773 km (0.111 R)
• M11: 16,199,056 km (0.116 R)
• M12: 18,755,384 km (0.097 R)
• M13: 19,092,877 km (0.096 R)
• M14: 22,408,115 km (0.109 R)
• M15: 24,853,592 km (0.066 R)
• M16: 29,239,951 km (0.119 R)
• M17: 34,241,157 km (0.104 R)
• M18: 34,618,892 km (0.088 R)
• M19: 41,186,538 km (0.093 R)
• M20: 41,900,120 km (0.054 R)
• M21: 44,387,783 km (0.106 R)
• M22: 52,105,986 km (0.062 R)
• M23: 59,033,265 km (0.108 R)
• M24: 61,967,776 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129.6

Radius: 5.2

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 6.54 AU - 9.88 AU

Year: 16536 Days

Day: 23.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 35,845,626 km

• M1: 64,925 km (0.08 R)
• M2: 260,151 km (0.065 R)
• M3: 972,835 km (0.103 R)
• M4: 1,740,122 km (0.111 R)
• M5: 2,751,105 km (0.073 R)
• M6: 3,541,879 km (0.109 R)
• M7: 4,611,803 km (0.107 R)
• M8: 6,283,111 km (0.115 R)
• M9: 6,993,102 km (0.035 R)
• M10: 7,216,152 km (0.095 R)
• M11: 7,715,809 km (0.06 R)
• M12: 8,613,546 km (0.115 R)
• M13: 13,016,062 km (0.095 R)
• M14: 13,582,439 km (0.114 R)
• M15: 15,694,163 km (0.075 R)
• M16: 16,465,789 km (0.097 R)
• M17: 23,324,253 km (0.065 R)
• M18: 25,710,937 km (0.066 R)
• M19: 28,632,284 km (0.082 R)
• M20: 29,588,813 km (0.042 R)
• M21: 30,467,551 km (0.079 R)
• M22: 31,767,557 km (0.068 R)
• M23: 37,450,780 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 79.8

Radius: 4.5

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 8.76 AU - 9.22 AU

Year: 18947 Days

Day: 20 Hours

Environment

Temp: -236 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 35,845,626 km

• M1: 56,099 km (0.096 R)
• M2: 485,744 km (0.117 R)
• M3: 692,339 km (0.1 R)
• M4: 1,603,689 km (0.069 R)
• M5: 1,796,371 km (0.059 R)
• M6: 2,179,043 km (0.116 R)
• M7: 2,707,572 km (0.09 R)
• M8: 3,427,287 km (0.066 R)
• M9: 3,771,811 km (0.094 R)
• M10: 5,505,800 km (0.07 R)
• M11: 6,966,922 km (0.102 R)
• M12: 8,835,699 km (0.109 R)
• M13: 9,219,866 km (0.12 R)
• M14: 14,617,657 km (0.087 R)
• M15: 18,795,626 km (0.115 R)
• M16: 19,430,519 km (0.05 R)
• M17: 19,573,385 km (0.071 R)
• M18: 19,861,511 km (0.067 R)
• M19: 22,268,840 km (0.048 R)
• M20: 22,425,469 km (0.057 R)
• M21: 22,582,846 km (0.115 R)
• M22: 24,279,734 km (0.106 R)
• M23: 31,130,419 km (0.109 R)
• M24: 31,720,433 km (0.068 R)
• M25: 32,619,367 km (0.083 R)
• M26: 35,738,333 km (0.09 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 385 - 18,898 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit