🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.1

Radius: 11.4

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.78 AU - 1.06 AU

Year: 620 Days

Day: 9.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,012,016 km

• M1: 141,819 km (0.105 R)
• M2: 507,137 km (0.075 R)
• M3: 895,942 km (0.074 R)
• M4: 1,403,078 km (0.084 R)
• M5: 2,031,539 km (0.117 R)
• M6: 2,871,830 km (0.054 R)
• M7: 3,749,970 km (0.085 R)
• M8: 4,224,644 km (0.059 R)
• M9: 4,592,206 km (0.107 R)
• M10: 5,027,536 km (0.109 R)
• M11: 5,689,955 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.1

Radius: 11.8

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.36 AU - 1.5 AU

Year: 1202 Days

Day: 5.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,012,016 km

• M1: 146,756 km (0.085 R)
• M2: 1,033,871 km (0.086 R)
• M3: 1,468,602 km (0.092 R)
• M4: 2,113,519 km (0.027 R)
• M5: 2,540,321 km (0.112 R)
• M6: 3,039,230 km (0.088 R)
• M7: 3,851,098 km (0.043 R)
• M8: 4,901,275 km (0.114 R)
• M9: 5,397,042 km (0.107 R)
• M10: 6,017,574 km (0.111 R)
• M11: 6,759,580 km (0.097 R)
• M12: 7,140,007 km (0.085 R)
• M13: 7,806,017 km (0.084 R)
• M14: 8,253,763 km (0.092 R)
• M15: 9,017,909 km (0.09 R)
• M16: 10,417,846 km (0.098 R)
• M17: 11,065,306 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.8

Radius: 9.2

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.28 AU - 1.66 AU

Year: 1253 Days

Day: 7.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 46,012,016 km

• M1: 114,742 km (0.085 R)
• M2: 458,069 km (0.033 R)
• M3: 971,189 km (0.088 R)
• M4: 1,583,493 km (0.074 R)
• M5: 2,185,026 km (0.066 R)
• M6: 2,647,434 km (0.119 R)
• M7: 3,562,673 km (0.091 R)
• M8: 4,205,495 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.1

Radius: 12.7

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.42 AU - 2.26 AU

Year: 1754 Days

Day: 13.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,012,016 km

• M1: 157,975 km (0.078 R)
• M2: 919,728 km (0.067 R)
• M3: 1,535,173 km (0.037 R)
• M4: 1,949,859 km (0.086 R)
• M5: 2,515,039 km (0.036 R)
• M6: 3,278,437 km (0.103 R)
• M7: 3,875,333 km (0.107 R)
• M8: 4,300,340 km (0.063 R)
• M9: 5,372,808 km (0.081 R)
• M10: 6,064,847 km (0.063 R)
• M11: 8,649,450 km (0.107 R)
• M12: 9,224,803 km (0.08 R)
• M13: 11,495,998 km (0.106 R)
• M14: 12,229,626 km (0.065 R)
• M15: 12,994,370 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.9

Radius: 13.8

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.87 AU - 3.49 AU

Year: 3986 Days

Day: 9.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,012,016 km

• M1: 171,589 km (0.056 R)
• M2: 612,154 km (0.092 R)
• M3: 1,129,913 km (0.071 R)
• M4: 1,900,641 km (0.083 R)
• M5: 2,986,273 km (0.09 R)
• M6: 4,304,529 km (0.108 R)
• M7: 5,049,078 km (0.069 R)
• M8: 5,903,730 km (0.112 R)
• M9: 7,745,131 km (0.069 R)
• M10: 8,713,478 km (0.066 R)
• M11: 9,725,058 km (0.062 R)
• M12: 10,278,122 km (0.066 R)
• M13: 11,326,952 km (0.105 R)
• M14: 12,747,534 km (0.091 R)
• M15: 14,004,305 km (0.116 R)
• M16: 15,342,010 km (0.096 R)
• M17: 15,991,414 km (0.109 R)
• M18: 18,661,437 km (0.091 R)
• M19: 19,229,161 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.4

Radius: 11.2

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.04 AU - 4.4 AU

Year: 5043 Days

Day: 10.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,012,016 km

• M1: 139,276 km (0.116 R)
• M2: 498,759 km (0.062 R)
• M3: 1,329,925 km (0.078 R)
• M4: 1,848,880 km (0.094 R)
• M5: 2,689,022 km (0.118 R)
• M6: 3,600,222 km (0.09 R)
• M7: 4,447,246 km (0.074 R)
• M8: 5,819,507 km (0.102 R)
• M9: 6,183,030 km (0.086 R)
• M10: 6,561,811 km (0.086 R)
• M11: 7,366,199 km (0.042 R)
• M12: 8,170,737 km (0.062 R)
• M13: 8,528,425 km (0.108 R)
• M14: 9,136,241 km (0.078 R)
• M15: 9,881,687 km (0.119 R)
• M16: 10,860,207 km (0.089 R)
• M17: 11,819,728 km (0.113 R)
• M18: 12,193,872 km (0.056 R)
• M19: 13,009,629 km (0.094 R)
• M20: 13,770,035 km (0.093 R)
• M21: 15,330,491 km (0.057 R)
• M22: 17,590,166 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.3

Radius: 8

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 4.35 AU - 5.57 AU

Year: 7765 Days

Day: 11.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,012,016 km

• M1: 101,278 km (0.111 R)
• M2: 785,838 km (0.101 R)
• M3: 3,263,328 km (0.098 R)
• M4: 4,727,742 km (0.099 R)
• M5: 5,859,150 km (0.113 R)
• M6: 7,586,856 km (0.074 R)
• M7: 8,885,216 km (0.076 R)
• M8: 9,169,901 km (0.117 R)
• M9: 10,192,701 km (0.054 R)
• M10: 13,878,194 km (0.052 R)
• M11: 14,709,211 km (0.064 R)
• M12: 16,348,355 km (0.115 R)
• M13: 16,653,385 km (0.092 R)
• M14: 27,674,260 km (0.094 R)
• M15: 29,435,775 km (0.114 R)
• M16: 30,990,695 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 228.2

Radius: 3.1

Gravity: 23.75 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 6.42 AU - 9.84 AU

Year: 16295 Days

Day: 20.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 46,012,016 km

• M1: 40,242 km (0.083 R)
• M2: 791,971 km (0.088 R)
• M3: 1,015,620 km (0.077 R)
• M4: 1,230,891 km (0.055 R)
• M5: 2,462,979 km (0.103 R)
• M6: 2,936,905 km (0.095 R)
• M7: 3,161,003 km (0.085 R)
• M8: 3,928,141 km (0.109 R)
• M9: 4,842,184 km (0.057 R)
• M10: 6,844,252 km (0.118 R)
• M11: 8,552,510 km (0.051 R)
• M12: 9,480,466 km (0.111 R)
• M13: 10,018,569 km (0.106 R)
• M14: 11,977,554 km (0.112 R)
• M15: 14,430,360 km (0.057 R)
• M16: 14,815,276 km (0.12 R)
• M17: 16,984,445 km (0.074 R)
• M18: 17,126,712 km (0.115 R)
• M19: 18,819,562 km (0.105 R)
• M20: 19,511,302 km (0.091 R)
• M21: 21,939,425 km (0.095 R)
• M22: 22,448,058 km (0.06 R)
• M23: 25,759,557 km (0.089 R)
• M24: 26,707,409 km (0.092 R)
• M25: 31,689,766 km (0.11 R)
• M26: 42,780,802 km (0.082 R)
• M27: 43,573,821 km (0.102 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 319 - 13,588 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit