🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.2

Radius: 9.9

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.79 AU - 0.85 AU

Year: 487 Days

Day: 5.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,530,884 km

• M1: 123,119 km (0.073 R)
• M2: 492,027 km (0.095 R)
• M3: 1,116,299 km (0.115 R)
• M4: 1,783,356 km (0.08 R)
• M5: 2,510,851 km (0.104 R)
• M6: 2,892,774 km (0.11 R)
• M7: 3,313,443 km (0.106 R)
• M8: 3,747,875 km (0.083 R)
• M9: 4,263,689 km (0.074 R)
• M10: 4,638,432 km (0.113 R)
• M11: 5,019,009 km (0.085 R)
• M12: 5,489,195 km (0.078 R)
• M13: 5,879,047 km (0.108 R)
• M14: 6,440,637 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.1

Radius: 9.7

Gravity: 7.82 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.98 AU - 2 AU

Year: 1842 Days

Day: 9.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,530,884 km

• M1: 120,725 km (0.098 R)
• M2: 489,634 km (0.109 R)
• M3: 999,763 km (0.097 R)
• M4: 1,400,984 km (0.112 R)
• M5: 2,200,435 km (0.058 R)
• M6: 3,134,524 km (0.113 R)
• M7: 3,527,219 km (0.064 R)
• M8: 4,177,969 km (0.102 R)
• M9: 4,992,679 km (0.093 R)
• M10: 5,438,032 km (0.113 R)
• M11: 6,180,636 km (0.026 R)
• M12: 7,518,939 km (0.101 R)
• M13: 8,533,212 km (0.103 R)
• M14: 9,535,219 km (0.093 R)
• M15: 11,966,184 km (0.094 R)
• M16: 12,970,734 km (0.065 R)
• M17: 14,648,623 km (0.119 R)
• M18: 15,844,658 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.5

Radius: 11.3

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 3.24 AU - 5.38 AU

Year: 5870 Days

Day: 13.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 108.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 45,530,884 km

• M1: 140,472 km (0.087 R)
• M2: 556,354 km (0.111 R)
• M3: 1,205,759 km (0.073 R)
• M4: 1,646,474 km (0.069 R)
• M5: 2,046,648 km (0.085 R)
• M6: 2,479,136 km (0.057 R)
• M7: 4,399,374 km (0.064 R)
• M8: 5,099,193 km (0.111 R)
• M9: 6,084,445 km (0.08 R)
• M10: 6,622,548 km (0.106 R)
• M11: 8,315,248 km (0.057 R)
• M12: 9,426,760 km (0.096 R)
• M13: 9,846,831 km (0.084 R)
• M14: 10,411,713 km (0.077 R)
• M15: 11,229,415 km (0.073 R)
• M16: 11,797,886 km (0.103 R)
• M17: 12,286,324 km (0.104 R)
• M18: 15,447,626 km (0.115 R)
• M19: 16,270,564 km (0.117 R)
• M20: 17,122,673 km (0.107 R)
• M21: 18,717,686 km (0.063 R)
• M22: 19,315,479 km (0.117 R)
• M23: 20,340,074 km (0.103 R)
• M24: 21,114,094 km (0.057 R)
• M25: 22,201,222 km (0.027 R)
• M26: 23,785,463 km (0.113 R)
• M27: 26,095,254 km (0.088 R)
• M28: 28,463,688 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.5

Radius: 13

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4.39 AU - 6.07 AU

Year: 7846 Days

Day: 6.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,530,884 km

• M1: 163,211 km (0.1 R)
• M2: 573,708 km (0.083 R)
• M3: 988,842 km (0.118 R)
• M4: 1,440,627 km (0.119 R)
• M5: 1,941,182 km (0.081 R)
• M6: 2,902,947 km (0.091 R)
• M7: 3,323,915 km (0.099 R)
• M8: 3,982,894 km (0.075 R)
• M9: 9,101,086 km (0.107 R)
• M10: 9,965,612 km (0.054 R)
• M11: 13,227,743 km (0.107 R)
• M12: 17,759,661 km (0.102 R)
• M13: 19,623,201 km (0.11 R)
• M14: 22,576,712 km (0.087 R)
• M15: 24,934,375 km (0.087 R)
• M16: 25,460,211 km (0.086 R)
• M17: 31,948,121 km (0.091 R)
• M18: 34,048,027 km (0.087 R)
• M19: 37,253,909 km (0.109 R)
• M20: 38,637,540 km (0.076 R)
• M21: 39,816,371 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.3

Radius: 11.2

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 5.22 AU - 5.26 AU

Year: 7869 Days

Day: 7.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,530,884 km

• M1: 139,276 km (0.102 R)
• M2: 524,041 km (0.087 R)
• M3: 1,034,619 km (0.098 R)
• M4: 1,437,636 km (0.12 R)
• M5: 1,930,710 km (0.073 R)
• M6: 2,535,086 km (0.052 R)
• M7: 2,976,848 km (0.08 R)
• M8: 3,517,495 km (0.054 R)
• M9: 4,915,487 km (0.117 R)
• M10: 5,976,884 km (0.086 R)
• M11: 7,030,352 km (0.084 R)
• M12: 9,597,451 km (0.068 R)
• M13: 11,248,264 km (0.109 R)
• M14: 12,906,556 km (0.108 R)
• M15: 14,408,220 km (0.113 R)
• M16: 15,889,987 km (0.119 R)
• M17: 17,188,496 km (0.051 R)
• M18: 18,409,364 km (0.087 R)
• M19: 25,575,850 km (0.061 R)
• M20: 26,596,856 km (0.098 R)
• M21: 30,436,734 km (0.116 R)
• M22: 37,989,182 km (0.073 R)
• M23: 42,581,089 km (0.029 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 107.4

Radius: 3.5

Gravity: 8.77 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 8.5 AU - 13.16 AU

Year: 23380 Days

Day: 24 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,530,884 km

• M1: 48,619 km (0.097 R)
• M2: 163,062 km (0.118 R)
• M3: 407,355 km (0.082 R)
• M4: 633,846 km (0.067 R)
• M5: 5,493,982 km (0.06 R)
• M6: 6,006,803 km (0.114 R)
• M7: 6,625,690 km (0.066 R)
• M8: 7,989,125 km (0.118 R)
• M9: 12,420,513 km (0.106 R)
• M10: 13,180,470 km (0.104 R)
• M11: 14,857,013 km (0.119 R)
• M12: 15,914,670 km (0.095 R)
• M13: 17,884,725 km (0.078 R)
• M14: 20,248,820 km (0.06 R)
• M15: 21,629,608 km (0.113 R)
• M16: 25,585,425 km (0.057 R)
• M17: 26,052,619 km (0.117 R)
• M18: 28,976,060 km (0.05 R)
• M19: 32,873,384 km (0.119 R)
• M20: 33,647,852 km (0.104 R)
• M21: 33,871,501 km (0.052 R)
• M22: 38,066,225 km (0.084 R)
• M23: 38,309,023 km (0.077 R)
• M24: 39,662,285 km (0.088 R)
• M25: 41,558,588 km (0.081 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: 508 - 17,297 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit