🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.41 AU - 0.67 AU

Year: 141 Days

Day: 33.6 Hours

Environment

Temp: 209 °C

Axial Tilt: 35.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 104,311,374 km

• M1: 243,097 km (0.059 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.21 AU - 2.23 AU

Year: 1179 Days

Day: 15.1 Hours

Environment

Temp: -75 °C

Axial Tilt: 15.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.76 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.5

Radius: 11.8

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 4.61 AU - 5.97 AU

Year: 4337 Days

Day: 14.4 Hours

Environment

Temp: -129 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 104,311,374 km

• M1: 151,094 km (0.108 R)
• M2: 527,781 km (0.052 R)
• M3: 1,016,817 km (0.028 R)
• M4: 1,491,790 km (0.115 R)
• M5: 2,287,501 km (0.095 R)
• M6: 2,748,262 km (0.047 R)
• M7: 3,270,808 km (0.084 R)
• M8: 3,752,663 km (0.117 R)
• M9: 4,374,691 km (0.118 R)
• M10: 4,835,003 km (0.118 R)
• M11: 5,327,779 km (0.106 R)
• M12: 6,056,171 km (0.114 R)
• M13: 7,205,980 km (0.109 R)
• M14: 8,061,829 km (0.095 R)
• M15: 9,812,274 km (0.077 R)
• M16: 11,038,378 km (0.109 R)
• M17: 12,991,827 km (0.098 R)
• M18: 14,627,530 km (0.083 R)
• M19: 16,224,936 km (0.094 R)
• M20: 19,311,589 km (0.112 R)
• M21: 22,343,040 km (0.069 R)
• M22: 23,787,109 km (0.109 R)
• M23: 25,678,475 km (0.112 R)
• M24: 26,541,654 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.4

Radius: 8

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 4.73 AU - 7.13 AU

Year: 5147 Days

Day: 14.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 104,311,374 km

• M1: 99,931 km (0.104 R)
• M2: 372,798 km (0.109 R)
• M3: 813,812 km (0.085 R)
• M4: 1,319,453 km (0.048 R)
• M5: 1,627,924 km (0.068 R)
• M6: 3,588,853 km (0.077 R)
• M7: 7,243,080 km (0.105 R)
• M8: 8,211,876 km (0.032 R)
• M9: 11,515,745 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.6

Radius: 13.8

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 6.83 AU - 7.35 AU

Year: 6729 Days

Day: 14.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 104,311,374 km

• M1: 174,730 km (0.093 R)
• M2: 967,001 km (0.087 R)
• M3: 1,475,035 km (0.067 R)
• M4: 2,241,275 km (0.111 R)
• M5: 3,516,148 km (0.089 R)
• M6: 4,440,962 km (0.094 R)
• M7: 5,172,047 km (0.081 R)
• M8: 5,950,854 km (0.106 R)
• M9: 6,772,146 km (0.081 R)
• M10: 7,228,420 km (0.063 R)
• M11: 7,970,724 km (0.11 R)
• M12: 8,400,220 km (0.11 R)
• M13: 9,136,690 km (0.098 R)
• M14: 10,230,699 km (0.088 R)
• M15: 11,706,333 km (0.104 R)
• M16: 15,736,200 km (0.1 R)
• M17: 16,729,380 km (0.069 R)
• M18: 17,436,081 km (0.106 R)
• M19: 20,976,464 km (0.092 R)
• M20: 22,564,445 km (0.119 R)
• M21: 23,827,201 km (0.039 R)
• M22: 24,722,395 km (0.109 R)
• M23: 26,753,186 km (0.09 R)
• M24: 28,801,629 km (0.061 R)
• M25: 30,476,228 km (0.073 R)
• M26: 32,412,024 km (0.067 R)
• M27: 33,208,932 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440

Radius: 8.3

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 8.51 AU - 9.01 AU

Year: 9242 Days

Day: 8.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 104,311,374 km

• M1: 104,120 km (0.063 R)
• M2: 514,317 km (0.113 R)
• M3: 1,038,060 km (0.094 R)
• M4: 2,021,965 km (0.078 R)
• M5: 2,570,540 km (0.105 R)
• M6: 4,140,570 km (0.063 R)
• M7: 4,485,692 km (0.077 R)
• M8: 6,300,015 km (0.12 R)
• M9: 7,050,099 km (0.073 R)
• M10: 7,938,411 km (0.098 R)
• M11: 8,222,946 km (0.041 R)
• M12: 9,982,666 km (0.115 R)
• M13: 10,314,474 km (0.066 R)
• M14: 11,354,778 km (0.071 R)
• M15: 12,737,511 km (0.092 R)
• M16: 13,184,659 km (0.093 R)
• M17: 16,812,706 km (0.062 R)
• M18: 21,289,273 km (0.03 R)
• M19: 22,969,556 km (0.037 R)
• M20: 23,548,799 km (0.092 R)
• M21: 24,736,457 km (0.117 R)
• M22: 27,138,699 km (0.049 R)
• M23: 28,160,602 km (0.063 R)
• M24: 28,538,487 km (0.058 R)
• M25: 29,595,096 km (0.062 R)
• M26: 36,937,809 km (0.118 R)
• M27: 37,504,485 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.9

Radius: 14.8

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 6.99 AU - 11.13 AU

Year: 9720 Days

Day: 10.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 104,311,374 km

• M1: 184,005 km (0.106 R)
• M2: 1,044,492 km (0.036 R)
• M3: 1,779,915 km (0.12 R)
• M4: 2,541,069 km (0.107 R)
• M5: 3,110,439 km (0.035 R)
• M6: 3,687,737 km (0.103 R)
• M7: 4,167,198 km (0.115 R)
• M8: 5,485,754 km (0.115 R)
• M9: 7,269,110 km (0.095 R)
• M10: 10,317,167 km (0.103 R)
• M11: 11,278,183 km (0.104 R)
• M12: 12,356,635 km (0.061 R)
• M13: 14,133,857 km (0.078 R)
• M14: 15,184,483 km (0.077 R)
• M15: 22,878,002 km (0.074 R)
• M16: 28,315,287 km (0.042 R)
• M17: 31,059,660 km (0.092 R)
• M18: 37,688,640 km (0.099 R)
• M19: 43,002,058 km (0.034 R)
• M20: 45,064,563 km (0.079 R)
• M21: 47,770,938 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 384.6

Radius: 5.4

Gravity: 13.19 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 12.72 AU - 15.24 AU

Year: 18632 Days

Day: 18.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 104,311,374 km

• M1: 78,838 km (0.091 R)
• M2: 281,394 km (0.092 R)
• M3: 560,094 km (0.099 R)
• M4: 1,394,103 km (0.103 R)
• M5: 2,315,625 km (0.052 R)
• M6: 3,809,360 km (0.113 R)
• M7: 3,981,547 km (0.078 R)
• M8: 4,855,498 km (0.08 R)
• M9: 5,127,168 km (0.056 R)
• M10: 5,302,048 km (0.097 R)
• M11: 5,517,169 km (0.04 R)
• M12: 6,119,301 km (0.079 R)
• M13: 6,316,321 km (0.113 R)
• M14: 6,558,221 km (0.093 R)
• M15: 9,642,480 km (0.105 R)
• M16: 10,181,332 km (0.099 R)
• M17: 10,402,438 km (0.082 R)
• M18: 13,709,149 km (0.097 R)
• M19: 13,978,874 km (0.06 R)
• M20: 14,459,382 km (0.07 R)
• M21: 14,809,292 km (0.064 R)
• M22: 15,672,023 km (0.088 R)
• M23: 15,892,829 km (0.099 R)
• M24: 16,340,725 km (0.091 R)
• M25: 17,028,277 km (0.048 R)
• M26: 17,261,650 km (0.115 R)
• M27: 18,460,826 km (0.1 R)
• M28: 19,039,022 km (0.072 R)
• M29: 23,333,378 km (0.09 R)
• M30: 24,204,487 km (0.115 R)
• M31: 26,947,962 km (0.089 R)
• M32: 28,558,234 km (0.079 R)
• M33: 36,152,121 km (0.036 R)
• M34: 37,711,379 km (0.079 R)
• M35: 42,944,313 km (0.081 R)
• M36: 46,335,547 km (0.049 R)
• M37: 58,627,555 km (0.105 R)
• M38: 58,804,679 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 68.3

Radius: 5.2

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 12.55 AU - 16.81 AU

Year: 20049 Days

Day: 16.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 104,311,374 km

• M1: 69,563 km (0.047 R)
• M2: 577,149 km (0.114 R)
• M3: 839,094 km (0.097 R)
• M4: 1,794,127 km (0.116 R)
• M5: 3,365,653 km (0.092 R)
• M6: 5,774,927 km (0.099 R)
• M7: 9,977,430 km (0.054 R)
• M8: 11,107,492 km (0.075 R)
• M9: 12,530,766 km (0.088 R)
• M10: 17,990,490 km (0.117 R)
• M11: 34,188,649 km (0.081 R)

Planet 10 - Ice Giant

Semi-Major Axis: 19.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 770.5

Radius: 7.1

Gravity: 15.28 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 18.41 AU - 20.23 AU

Year: 30270 Days

Day: 23.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 104,311,374 km

• M1: 88,263 km (0.089 R)
• M2: 440,117 km (0.09 R)
• M3: 837,598 km (0.102 R)
• M4: 1,565,392 km (0.065 R)
• M5: 3,732,467 km (0.074 R)
• M6: 3,971,674 km (0.058 R)
• M7: 4,870,308 km (0.116 R)
• M8: 5,156,339 km (0.087 R)
• M9: 6,082,350 km (0.11 R)
• M10: 7,645,648 km (0.041 R)
• M11: 8,317,043 km (0.107 R)
• M12: 9,210,741 km (0.07 R)
• M13: 10,101,147 km (0.035 R)
• M14: 10,703,129 km (0.117 R)
• M15: 14,158,990 km (0.076 R)
• M16: 15,169,673 km (0.059 R)
• M17: 16,047,962 km (0.06 R)
• M18: 19,696,056 km (0.088 R)
• M19: 20,423,401 km (0.086 R)
• M20: 23,053,780 km (0.096 R)
• M21: 23,744,922 km (0.117 R)
• M22: 26,774,429 km (0.116 R)
• M23: 33,004,133 km (0.066 R)
• M24: 36,763,976 km (0.112 R)
• M25: 40,135,014 km (0.115 R)
• M26: 47,115,550 km (0.085 R)
• M27: 47,484,459 km (0.051 R)
• M28: 47,855,162 km (0.092 R)
• M29: 48,227,960 km (0.118 R)
• M30: 50,504,840 km (0.078 R)
• M31: 53,250,708 km (0.099 R)
• M32: 55,682,123 km (0.096 R)
• M33: 72,821,850 km (0.107 R)
• M34: 76,574,512 km (0.088 R)
• M35: 77,596,715 km (0.118 R)
• M36: 78,627,743 km (0.055 R)
• M37: 83,650,791 km (0.105 R)
• M38: 90,295,779 km (0.105 R)
• M39: 93,455,585 km (0.065 R)

Kuiper Belt

Range: 30.8 - 49.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 20,361 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit