🌌 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: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.7

Radius: 11.1

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.98 AU - 1.14 AU

Year: 705 Days

Day: 9.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 89,243,703 km

• M1: 138,079 km (0.105 R)
• M2: 535,411 km (0.118 R)
• M3: 1,172,249 km (0.103 R)
• M4: 2,126,983 km (0.116 R)
• M5: 3,069,000 km (0.03 R)
• M6: 3,526,620 km (0.099 R)
• M7: 5,849,277 km (0.07 R)
• M8: 6,421,788 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.7

Radius: 15

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.93 AU - 1.25 AU

Year: 735 Days

Day: 5.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 89,243,703 km

• M1: 186,549 km (0.099 R)
• M2: 793,018 km (0.101 R)
• M3: 1,336,657 km (0.088 R)
• M4: 1,862,793 km (0.098 R)
• M5: 2,635,166 km (0.075 R)
• M6: 3,590,050 km (0.108 R)
• M7: 4,531,619 km (0.09 R)
• M8: 5,467,503 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.2

Radius: 10.9

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.25 AU - 1.35 AU

Year: 957 Days

Day: 8 Hours

Environment

Temp: -174 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 89,243,703 km

• M1: 135,835 km (0.037 R)
• M2: 717,471 km (0.113 R)
• M3: 1,107,623 km (0.029 R)
• M4: 1,525,749 km (0.087 R)
• M5: 1,980,077 km (0.068 R)
• M6: 2,523,866 km (0.108 R)
• M7: 2,927,182 km (0.077 R)
• M8: 3,373,582 km (0.111 R)
• M9: 4,104,367 km (0.119 R)
• M10: 5,414,097 km (0.086 R)
• M11: 5,984,214 km (0.081 R)
• M12: 6,867,889 km (0.117 R)
• M13: 7,610,792 km (0.1 R)
• M14: 8,066,317 km (0.093 R)
• M15: 8,593,650 km (0.056 R)
• M16: 9,004,146 km (0.082 R)
• M17: 9,456,530 km (0.058 R)
• M18: 9,835,162 km (0.08 R)
• M19: 10,193,599 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.4

Radius: 11.6

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.01 AU - 1.61 AU

Year: 968 Days

Day: 11.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 89,243,703 km

• M1: 144,661 km (0.047 R)
• M2: 668,553 km (0.107 R)
• M3: 1,277,566 km (0.079 R)
• M4: 1,659,190 km (0.115 R)
• M5: 2,870,185 km (0.078 R)
• M6: 3,807,266 km (0.108 R)
• M7: 4,403,114 km (0.111 R)
• M8: 5,166,961 km (0.119 R)
• M9: 5,628,321 km (0.037 R)
• M10: 7,779,538 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.6

Radius: 10.3

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.26 AU - 1.8 AU

Year: 1222 Days

Day: 14.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 89,243,703 km

• M1: 283,787 km (0.083 R)
• M2: 660,175 km (0.045 R)
• M3: 1,645,277 km (0.107 R)
• M4: 2,180,539 km (0.055 R)
• M5: 2,603,601 km (0.108 R)
• M6: 3,026,814 km (0.1 R)
• M7: 3,631,788 km (0.095 R)
• M8: 5,560,702 km (0.086 R)
• M9: 6,746,266 km (0.098 R)
• M10: 8,039,988 km (0.113 R)
• M11: 8,442,107 km (0.062 R)
• M12: 9,433,193 km (0.036 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823

Radius: 14.3

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.47 AU - 2.81 AU

Year: 2770 Days

Day: 14.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 89,243,703 km

• M1: 178,470 km (0.039 R)
• M2: 942,467 km (0.077 R)
• M3: 1,583,344 km (0.101 R)
• M4: 2,057,420 km (0.036 R)
• M5: 2,537,778 km (0.095 R)
• M6: 3,249,715 km (0.081 R)
• M7: 4,324,426 km (0.085 R)
• M8: 5,780,611 km (0.091 R)
• M9: 8,192,727 km (0.11 R)
• M10: 9,236,921 km (0.109 R)
• M11: 9,981,170 km (0.114 R)
• M12: 10,886,237 km (0.043 R)
• M13: 11,589,646 km (0.113 R)
• M14: 12,279,442 km (0.041 R)
• M15: 13,931,601 km (0.097 R)
• M16: 14,563,353 km (0.098 R)
• M17: 16,520,242 km (0.099 R)
• M18: 18,530,539 km (0.072 R)
• M19: 19,897,564 km (0.056 R)
• M20: 21,076,694 km (0.115 R)
• M21: 21,522,646 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.3

Radius: 8.2

Gravity: 10.4 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 4.52 AU - 5.58 AU

Year: 7327 Days

Day: 5.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 89,243,703 km

• M1: 102,175 km (0.1 R)
• M2: 383,270 km (0.115 R)
• M3: 2,587,295 km (0.092 R)
• M4: 2,858,217 km (0.066 R)
• M5: 3,256,297 km (0.118 R)
• M6: 4,621,078 km (0.117 R)
• M7: 5,292,025 km (0.106 R)
• M8: 6,826,899 km (0.092 R)
• M9: 8,096,835 km (0.075 R)
• M10: 9,517,267 km (0.115 R)
• M11: 11,350,439 km (0.105 R)
• M12: 13,637,491 km (0.109 R)
• M13: 22,962,226 km (0.115 R)
• M14: 24,045,315 km (0.113 R)
• M15: 25,424,757 km (0.115 R)
• M16: 25,866,369 km (0.067 R)
• M17: 34,826,235 km (0.105 R)
• M18: 36,032,293 km (0.061 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 228.4

Radius: 6.2

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 5.82 AU - 7.6 AU

Year: 11223 Days

Day: 20.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 89,243,703 km

• M1: 112,946 km (0.119 R)
• M2: 322,832 km (0.087 R)
• M3: 584,778 km (0.075 R)
• M4: 978,071 km (0.069 R)
• M5: 1,535,173 km (0.088 R)
• M6: 2,335,223 km (0.061 R)
• M7: 3,107,447 km (0.114 R)
• M8: 3,701,650 km (0.068 R)
• M9: 3,915,724 km (0.089 R)
• M10: 4,342,826 km (0.116 R)
• M11: 4,635,440 km (0.077 R)
• M12: 11,439,151 km (0.051 R)
• M13: 17,803,942 km (0.096 R)
• M14: 21,458,618 km (0.117 R)
• M15: 26,802,403 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 521.1

Radius: 4.6

Gravity: 24.63 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 7.47 AU - 8.47 AU

Year: 14528 Days

Day: 21.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 89,243,703 km

• M1: 59,989 km (0.082 R)
• M2: 323,131 km (0.03 R)
• M3: 533,167 km (0.052 R)
• M4: 1,020,108 km (0.114 R)
• M5: 1,648,120 km (0.112 R)
• M6: 1,809,685 km (0.119 R)
• M7: 2,203,128 km (0.044 R)
• M8: 2,851,485 km (0.048 R)
• M9: 3,307,160 km (0.042 R)
• M10: 3,809,659 km (0.117 R)
• M11: 3,978,555 km (0.101 R)
• M12: 5,767,896 km (0.108 R)
• M13: 6,533,388 km (0.113 R)
• M14: 9,034,365 km (0.096 R)
• M15: 11,456,205 km (0.066 R)
• M16: 11,690,475 km (0.104 R)
• M17: 11,987,726 km (0.118 R)
• M18: 13,227,444 km (0.114 R)
• M19: 16,250,667 km (0.092 R)
• M20: 19,207,170 km (0.088 R)
• M21: 19,621,107 km (0.089 R)
• M22: 24,865,709 km (0.056 R)
• M23: 25,456,322 km (0.107 R)
• M24: 28,230,465 km (0.091 R)
• M25: 28,657,866 km (0.083 R)
• M26: 33,290,463 km (0.115 R)
• M27: 34,007,785 km (0.09 R)
• M28: 35,845,894 km (0.102 R)
• M29: 36,599,269 km (0.1 R)
• M30: 37,107,453 km (0.114 R)
• M31: 39,585,242 km (0.095 R)
• M32: 44,723,031 km (0.06 R)
• M33: 48,282,713 km (0.102 R)
• M34: 50,600,881 km (0.114 R)
• M35: 54,627,607 km (0.116 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 807.7

Radius: 3.2

Gravity: 78.88 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 10.76 AU - 11.14 AU

Year: 23396 Days

Day: 21.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 89,243,703 km

• M1: 39,793 km (0.111 R)
• M2: 182,659 km (0.091 R)
• M3: 289,921 km (0.095 R)
• M4: 419,024 km (0.057 R)
• M5: 691,142 km (0.109 R)
• M6: 951,293 km (0.075 R)
• M7: 1,125,126 km (0.114 R)
• M8: 1,467,256 km (0.106 R)
• M9: 1,795,623 km (0.109 R)
• M10: 1,915,302 km (0.107 R)
• M11: 2,546,006 km (0.077 R)
• M12: 3,766,874 km (0.114 R)
• M13: 4,631,849 km (0.104 R)
• M14: 5,250,287 km (0.091 R)
• M15: 7,847,605 km (0.112 R)
• M16: 8,060,632 km (0.089 R)
• M17: 9,183,514 km (0.069 R)
• M18: 11,324,559 km (0.035 R)
• M19: 12,582,527 km (0.057 R)
• M20: 13,853,361 km (0.115 R)
• M21: 14,480,027 km (0.107 R)
• M22: 14,719,832 km (0.116 R)
• M23: 15,705,383 km (0.109 R)
• M24: 21,818,101 km (0.101 R)
• M25: 23,096,714 km (0.101 R)
• M26: 30,115,248 km (0.051 R)
• M27: 35,027,593 km (0.055 R)
• M28: 37,823,428 km (0.031 R)
• M29: 44,188,069 km (0.085 R)
• M30: 51,414,993 km (0.055 R)
• M31: 57,773,800 km (0.108 R)
• M32: 59,799,505 km (0.074 R)
• M33: 61,453,609 km (0.059 R)
• M34: 63,137,931 km (0.071 R)
• M35: 65,721,935 km (0.106 R)
• M36: 67,039,892 km (0.112 R)
• M37: 68,151,554 km (0.076 R)
• M38: 69,955,854 km (0.116 R)
• M39: 86,070,686 km (0.117 R)
• M40: 88,443,308 km (0.112 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: 210 - 16,876 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit