🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.2

Radius: 8.5

Gravity: 11.3 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.56 AU - 0.58 AU

Year: 287 Days

Day: 5.1 Hours

Environment

Temp: -137 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,415,623 km

• M1: 105,766 km (0.11 R)
• M2: 401,521 km (0.08 R)
• M3: 738,116 km (0.089 R)
• M4: 1,033,422 km (0.109 R)
• M5: 1,402,630 km (0.101 R)
• M6: 1,808,189 km (0.098 R)
• M7: 2,166,476 km (0.044 R)
• M8: 2,608,538 km (0.07 R)
• M9: 2,976,100 km (0.095 R)
• M10: 3,650,338 km (0.082 R)
• M11: 3,961,800 km (0.119 R)
• M12: 4,570,215 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.7

Radius: 9.5

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.27 AU - 1.31 AU

Year: 977 Days

Day: 12.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,415,623 km

• M1: 118,182 km (0.059 R)
• M2: 444,006 km (0.117 R)
• M3: 966,552 km (0.12 R)
• M4: 1,276,070 km (0.118 R)
• M5: 2,066,545 km (0.106 R)
• M6: 2,390,125 km (0.116 R)
• M7: 2,759,034 km (0.117 R)
• M8: 3,165,790 km (0.074 R)
• M9: 3,557,737 km (0.106 R)
• M10: 4,237,210 km (0.071 R)
• M11: 5,052,219 km (0.095 R)
• M12: 5,626,526 km (0.115 R)
• M13: 5,949,059 km (0.103 R)
• M14: 6,799,074 km (0.04 R)
• M15: 7,099,765 km (0.088 R)
• M16: 7,681,851 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.8

Radius: 9.9

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.37 AU - 1.55 AU

Year: 1176 Days

Day: 13.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,415,623 km

• M1: 123,119 km (0.086 R)
• M2: 515,365 km (0.029 R)
• M3: 831,615 km (0.113 R)
• M4: 2,040,365 km (0.039 R)
• M5: 2,535,684 km (0.058 R)
• M6: 3,230,117 km (0.106 R)
• M7: 3,975,563 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.8

Radius: 10.8

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.48 AU - 2.14 AU

Year: 1624 Days

Day: 7.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,415,623 km

• M1: 204,500 km (0.048 R)
• M2: 679,623 km (0.096 R)
• M3: 1,048,083 km (0.099 R)
• M4: 2,157,800 km (0.083 R)
• M5: 2,526,558 km (0.104 R)
• M6: 3,298,184 km (0.111 R)
• M7: 5,122,081 km (0.074 R)
• M8: 5,904,179 km (0.102 R)
• M9: 6,482,824 km (0.062 R)
• M10: 7,076,278 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.4

Radius: 13.6

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.7 AU - 2.26 AU

Year: 1858 Days

Day: 12 Hours

Environment

Temp: -192 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,415,623 km

• M1: 174,282 km (0.076 R)
• M2: 746,344 km (0.113 R)
• M3: 1,512,883 km (0.074 R)
• M4: 1,940,883 km (0.112 R)
• M5: 3,358,921 km (0.08 R)
• M6: 3,971,823 km (0.116 R)
• M7: 4,479,708 km (0.101 R)
• M8: 5,343,337 km (0.095 R)
• M9: 5,878,897 km (0.102 R)
• M10: 9,762,308 km (0.066 R)
• M11: 10,533,934 km (0.119 R)
• M12: 11,016,238 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.9

Radius: 14.7

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 4.92 AU - 5.98 AU

Year: 8484 Days

Day: 5.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,415,623 km

• M1: 182,809 km (0.118 R)
• M2: 678,875 km (0.061 R)
• M3: 1,856,809 km (0.094 R)
• M4: 2,662,244 km (0.101 R)
• M5: 3,815,344 km (0.08 R)
• M6: 5,374,752 km (0.067 R)
• M7: 5,832,671 km (0.103 R)
• M8: 8,227,135 km (0.056 R)
• M9: 9,154,492 km (0.038 R)
• M10: 9,667,463 km (0.062 R)
• M11: 10,249,100 km (0.055 R)
• M12: 10,956,997 km (0.079 R)
• M13: 11,429,128 km (0.111 R)
• M14: 14,870,178 km (0.111 R)
• M15: 15,844,658 km (0.108 R)
• M16: 17,705,656 km (0.116 R)
• M17: 18,949,861 km (0.118 R)
• M18: 20,487,428 km (0.108 R)
• M19: 22,106,825 km (0.111 R)
• M20: 23,897,362 km (0.114 R)
• M21: 28,154,768 km (0.079 R)
• M22: 30,668,910 km (0.059 R)
• M23: 34,659,283 km (0.062 R)
• M24: 35,909,473 km (0.109 R)
• M25: 41,464,790 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 793.9

Radius: 4.2

Gravity: 45.01 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 6.2 AU - 9.36 AU

Year: 14471 Days

Day: 16.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 64,415,623 km

• M1: 55,501 km (0.083 R)
• M2: 301,290 km (0.112 R)
• M3: 522,246 km (0.084 R)
• M4: 765,941 km (0.064 R)
• M5: 1,107,024 km (0.056 R)
• M6: 1,480,271 km (0.079 R)
• M7: 1,621,940 km (0.098 R)
• M8: 2,344,348 km (0.11 R)
• M9: 2,695,155 km (0.047 R)
• M10: 2,956,204 km (0.058 R)
• M11: 3,233,708 km (0.103 R)
• M12: 3,811,754 km (0.109 R)
• M13: 4,586,372 km (0.092 R)
• M14: 5,685,916 km (0.078 R)
• M15: 8,001,541 km (0.092 R)
• M16: 8,690,888 km (0.108 R)
• M17: 9,102,282 km (0.104 R)
• M18: 9,526,392 km (0.081 R)
• M19: 11,295,088 km (0.119 R)
• M20: 12,871,850 km (0.08 R)
• M21: 13,610,115 km (0.052 R)
• M22: 14,446,966 km (0.075 R)
• M23: 14,589,832 km (0.109 R)
• M24: 15,466,176 km (0.028 R)
• M25: 17,163,065 km (0.103 R)
• M26: 18,388,720 km (0.114 R)
• M27: 22,894,458 km (0.082 R)
• M28: 23,283,861 km (0.115 R)
• M29: 24,075,683 km (0.115 R)
• M30: 28,867,602 km (0.101 R)
• M31: 30,596,056 km (0.084 R)
• M32: 31,425,726 km (0.101 R)
• M33: 32,882,809 km (0.066 R)
• M34: 35,281,162 km (0.12 R)
• M35: 35,670,116 km (0.086 R)
• M36: 44,364,146 km (0.107 R)
• M37: 46,040,989 km (0.059 R)
• M38: 56,287,994 km (0.116 R)
• M39: 56,819,066 km (0.113 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: 398 - 18,074 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit