🌌 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: 252

Radius: 8.7

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.54 AU - 0.6 AU

Year: 292 Days

Day: 5 Hours

Environment

Temp: -152 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,025,733 km

• M1: 108,608 km (0.081 R)
• M2: 381,923 km (0.093 R)
• M3: 669,899 km (0.11 R)
• M4: 1,004,998 km (0.091 R)
• M5: 1,556,416 km (0.098 R)
• M6: 2,020,918 km (0.112 R)
• M7: 2,543,313 km (0.08 R)
• M8: 2,963,235 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.1

Radius: 15

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.69 AU - 1.15 AU

Year: 599 Days

Day: 5.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,025,733 km

• M1: 187,745 km (0.07 R)
• M2: 666,159 km (0.062 R)
• M3: 1,640,341 km (0.054 R)
• M4: 2,343,899 km (0.086 R)
• M5: 3,146,043 km (0.03 R)
• M6: 3,741,443 km (0.065 R)
• M7: 4,958,122 km (0.109 R)
• M8: 5,732,441 km (0.102 R)
• M9: 6,626,886 km (0.082 R)
• M10: 7,324,761 km (0.033 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.1

Radius: 8.7

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.19 AU - 1.21 AU

Year: 892 Days

Day: 10.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,025,733 km

• M1: 108,758 km (0.084 R)
• M2: 380,128 km (0.097 R)
• M3: 652,995 km (0.088 R)
• M4: 928,255 km (0.057 R)
• M5: 1,205,310 km (0.068 R)
• M6: 1,501,215 km (0.114 R)
• M7: 1,811,929 km (0.064 R)
• M8: 2,108,283 km (0.099 R)
• M9: 2,521,921 km (0.102 R)
• M10: 3,111,337 km (0.06 R)
• M11: 3,499,244 km (0.089 R)
• M12: 3,875,632 km (0.117 R)
• M13: 4,515,013 km (0.11 R)
• M14: 4,927,903 km (0.111 R)
• M15: 6,041,809 km (0.1 R)
• M16: 6,360,004 km (0.1 R)
• M17: 6,689,418 km (0.069 R)
• M18: 7,427,235 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.1

Radius: 11.9

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.42 AU - 1.48 AU

Year: 1184 Days

Day: 11.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,025,733 km

• M1: 147,952 km (0.101 R)
• M2: 535,560 km (0.091 R)
• M3: 977,921 km (0.102 R)
• M4: 1,368,970 km (0.114 R)
• M5: 1,945,969 km (0.026 R)
• M6: 2,355,269 km (0.119 R)
• M7: 3,037,435 km (0.101 R)
• M8: 3,455,860 km (0.1 R)
• M9: 3,962,249 km (0.084 R)
• M10: 4,795,958 km (0.112 R)
• M11: 6,026,101 km (0.085 R)
• M12: 6,596,817 km (0.074 R)
• M13: 7,103,804 km (0.051 R)
• M14: 7,558,881 km (0.116 R)
• M15: 8,388,551 km (0.117 R)
• M16: 10,484,866 km (0.084 R)
• M17: 10,909,574 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.1

Radius: 13.3

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 4.05 AU - 4.73 AU

Year: 6239 Days

Day: 13.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 37,025,733 km

• M1: 165,455 km (0.102 R)
• M2: 590,762 km (0.111 R)
• M3: 1,038,359 km (0.068 R)
• M4: 1,473,389 km (0.039 R)
• M5: 2,090,630 km (0.06 R)
• M6: 2,510,851 km (0.032 R)
• M7: 3,199,599 km (0.096 R)
• M8: 3,852,295 km (0.083 R)
• M9: 4,417,326 km (0.11 R)
• M10: 5,397,192 km (0.093 R)
• M11: 9,295,862 km (0.097 R)
• M12: 11,085,352 km (0.063 R)
• M13: 11,745,976 km (0.032 R)
• M14: 12,583,425 km (0.108 R)
• M15: 14,157,942 km (0.092 R)
• M16: 18,928,469 km (0.112 R)
• M17: 19,736,447 km (0.109 R)
• M18: 23,199,787 km (0.068 R)
• M19: 26,214,484 km (0.081 R)
• M20: 27,049,240 km (0.081 R)
• M21: 28,596,531 km (0.117 R)
• M22: 29,302,932 km (0.095 R)
• M23: 29,750,229 km (0.117 R)
• M24: 30,658,588 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 364.8

Radius: 4.4

Gravity: 18.84 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 5.49 AU - 5.97 AU

Year: 9303 Days

Day: 20.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 37,025,733 km

• M1: 66,870 km (0.12 R)
• M2: 208,988 km (0.103 R)
• M3: 492,925 km (0.054 R)
• M4: 815,308 km (0.074 R)
• M5: 1,681,031 km (0.032 R)
• M6: 1,882,240 km (0.052 R)
• M7: 5,163,670 km (0.104 R)
• M8: 5,404,522 km (0.092 R)
• M9: 5,684,420 km (0.097 R)
• M10: 6,687,474 km (0.063 R)
• M11: 8,487,734 km (0.098 R)
• M12: 10,114,462 km (0.068 R)
• M13: 11,025,513 km (0.028 R)
• M14: 11,989,970 km (0.084 R)
• M15: 15,839,722 km (0.097 R)
• M16: 16,348,205 km (0.034 R)
• M17: 16,867,459 km (0.066 R)
• M18: 18,076,060 km (0.087 R)
• M19: 21,041,838 km (0.09 R)
• M20: 22,759,521 km (0.12 R)
• M21: 23,081,605 km (0.105 R)
• M22: 24,065,959 km (0.04 R)
• M23: 25,942,814 km (0.094 R)
• M24: 27,640,301 km (0.073 R)
• M25: 30,274,869 km (0.084 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 428 - 14,907 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit