🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.6

Radius: 8.7

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.57 AU - 0.61 AU

Year: 307 Days

Day: 13.6 Hours

Environment

Temp: -140 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,305,784 km

• M1: 108,159 km (0.104 R)
• M2: 481,256 km (0.104 R)
• M3: 886,966 km (0.107 R)
• M4: 1,221,467 km (0.08 R)
• M5: 1,502,112 km (0.056 R)
• M6: 1,880,445 km (0.09 R)
• M7: 2,205,222 km (0.076 R)
• M8: 2,653,268 km (0.077 R)
• M9: 2,931,819 km (0.119 R)
• M10: 3,210,071 km (0.103 R)
• M11: 3,506,125 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.2

Radius: 10.9

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.6 AU - 0.76 AU

Year: 380 Days

Day: 6.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 47,305,784 km

• M1: 135,536 km (0.096 R)
• M2: 1,101,190 km (0.076 R)
• M3: 1,558,810 km (0.089 R)
• M4: 2,175,751 km (0.099 R)
• M5: 3,141,705 km (0.085 R)
• M6: 4,783,841 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.3

Radius: 14.7

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.55 AU - 0.83 AU

Year: 389 Days

Day: 7 Hours

Environment

Temp: -152 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 47,305,784 km

• M1: 182,958 km (0.106 R)
• M2: 651,499 km (0.113 R)
• M3: 1,345,483 km (0.067 R)
• M4: 2,627,088 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.8

Radius: 14.9

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.82 AU - 0.92 AU

Year: 550 Days

Day: 9.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 47,305,784 km

• M1: 185,950 km (0.099 R)
• M2: 1,185,713 km (0.089 R)
• M3: 2,343,899 km (0.043 R)
• M4: 3,212,614 km (0.106 R)
• M5: 3,971,823 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.9

Radius: 11.1

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.91 AU - 1.03 AU

Year: 648 Days

Day: 14.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,305,784 km

• M1: 138,079 km (0.049 R)
• M2: 535,411 km (0.107 R)
• M3: 892,351 km (0.112 R)
• M4: 1,318,705 km (0.116 R)
• M5: 1,837,511 km (0.111 R)
• M6: 2,219,733 km (0.077 R)
• M7: 3,409,934 km (0.069 R)
• M8: 5,306,386 km (0.104 R)
• M9: 5,699,380 km (0.084 R)
• M10: 6,111,971 km (0.05 R)
• M11: 7,152,723 km (0.088 R)
• M12: 7,798,387 km (0.075 R)
• M13: 8,184,649 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.4

Radius: 13.3

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.91 AU - 1.37 AU

Year: 826 Days

Day: 8.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,305,784 km

• M1: 165,455 km (0.045 R)
• M2: 663,467 km (0.106 R)
• M3: 1,080,695 km (0.051 R)
• M4: 1,650,513 km (0.074 R)
• M5: 2,164,532 km (0.1 R)
• M6: 2,591,484 km (0.074 R)
• M7: 3,125,848 km (0.104 R)
• M8: 3,676,218 km (0.104 R)
• M9: 4,135,035 km (0.072 R)
• M10: 4,783,691 km (0.071 R)
• M11: 5,537,066 km (0.1 R)
• M12: 6,183,329 km (0.117 R)
• M13: 6,770,650 km (0.04 R)
• M14: 8,082,025 km (0.109 R)
• M15: 8,631,348 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.6

Radius: 9.9

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.21 AU - 2.83 AU

Year: 2713 Days

Day: 9.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 47,305,784 km

• M1: 123,119 km (0.08 R)
• M2: 484,697 km (0.112 R)
• M3: 1,029,383 km (0.093 R)
• M4: 2,783,867 km (0.097 R)
• M5: 4,201,905 km (0.051 R)
• M6: 5,259,712 km (0.118 R)
• M7: 6,766,012 km (0.082 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.5

Radius: 11.8

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.16 AU - 3.52 AU

Year: 3246 Days

Day: 6.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,305,784 km

• M1: 146,905 km (0.106 R)
• M2: 517,908 km (0.1 R)
• M3: 925,861 km (0.104 R)
• M4: 1,430,006 km (0.114 R)
• M5: 2,020,020 km (0.081 R)
• M6: 5,639,391 km (0.072 R)
• M7: 9,450,696 km (0.109 R)
• M8: 13,247,340 km (0.049 R)
• M9: 13,690,599 km (0.064 R)
• M10: 16,279,988 km (0.034 R)
• M11: 19,305,156 km (0.091 R)
• M12: 19,747,667 km (0.083 R)
• M13: 22,408,115 km (0.083 R)
• M14: 23,896,465 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 477.4

Radius: 3.2

Gravity: 46.62 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 6.54 AU - 7.5 AU

Year: 12615 Days

Day: 16.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 47,305,784 km

• M1: 43,683 km (0.114 R)
• M2: 213,925 km (0.036 R)
• M3: 379,829 km (0.12 R)
• M4: 1,211,743 km (0.079 R)
• M5: 1,870,422 km (0.112 R)
• M6: 2,111,275 km (0.079 R)
• M7: 2,352,875 km (0.12 R)
• M8: 2,803,314 km (0.111 R)
• M9: 3,308,806 km (0.049 R)
• M10: 4,092,549 km (0.117 R)
• M11: 4,865,372 km (0.071 R)
• M12: 5,319,551 km (0.043 R)
• M13: 5,872,464 km (0.117 R)
• M14: 7,462,540 km (0.097 R)
• M15: 8,288,171 km (0.103 R)
• M16: 13,097,144 km (0.113 R)
• M17: 13,717,826 km (0.063 R)
• M18: 15,628,340 km (0.051 R)
• M19: 16,899,323 km (0.111 R)
• M20: 17,044,733 km (0.038 R)
• M21: 17,858,994 km (0.069 R)
• M22: 18,313,921 km (0.054 R)
• M23: 19,886,195 km (0.118 R)
• M24: 27,374,914 km (0.044 R)
• M25: 27,676,055 km (0.073 R)
• M26: 31,683,632 km (0.119 R)
• M27: 38,393,546 km (0.104 R)
• M28: 39,532,733 km (0.117 R)
• M29: 41,613,191 km (0.073 R)
• M30: 46,701,314 km (0.092 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 201

Radius: 3.1

Gravity: 20.92 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 7.79 AU - 10.07 AU

Year: 18100 Days

Day: 23.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,305,784 km

• M1: 38,895 km (0.075 R)
• M2: 160,070 km (0.08 R)
• M3: 457,769 km (0.085 R)
• M4: 683,812 km (0.093 R)
• M5: 1,191,397 km (0.111 R)
• M6: 1,327,532 km (0.09 R)
• M7: 1,474,137 km (0.077 R)
• M8: 3,109,242 km (0.11 R)
• M9: 3,515,550 km (0.093 R)
• M10: 3,641,511 km (0.083 R)
• M11: 5,072,415 km (0.041 R)
• M12: 5,298,607 km (0.109 R)
• M13: 5,565,490 km (0.091 R)
• M14: 6,608,336 km (0.107 R)
• M15: 15,364,599 km (0.08 R)
• M16: 19,426,331 km (0.082 R)
• M17: 22,211,544 km (0.092 R)
• M18: 23,343,102 km (0.099 R)
• M19: 27,065,396 km (0.08 R)
• M20: 35,540,415 km (0.091 R)
• M21: 36,248,162 km (0.118 R)
• M22: 45,624,508 km (0.06 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 11,871 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit