🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.5

Radius: 14.2

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.61 AU - 0.87 AU

Year: 432 Days

Day: 6.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,252,922 km

• M1: 176,525 km (0.068 R)
• M2: 647,011 km (0.099 R)
• M3: 1,137,243 km (0.051 R)
• M4: 1,579,155 km (0.057 R)
• M5: 2,080,158 km (0.078 R)
• M6: 2,657,756 km (0.061 R)
• M7: 3,135,123 km (0.077 R)
• M8: 4,168,993 km (0.086 R)
• M9: 5,128,963 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.1

Radius: 10.2

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.77 AU - 1.09 AU

Year: 608 Days

Day: 6.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,252,922 km

• M1: 126,859 km (0.102 R)
• M2: 481,256 km (0.047 R)
• M3: 944,561 km (0.084 R)
• M4: 1,271,133 km (0.108 R)
• M5: 1,844,392 km (0.11 R)
• M6: 2,540,770 km (0.075 R)
• M7: 3,116,572 km (0.099 R)
• M8: 3,763,583 km (0.113 R)
• M9: 4,134,137 km (0.115 R)
• M10: 4,513,368 km (0.086 R)
• M11: 4,882,725 km (0.044 R)
• M12: 6,075,618 km (0.098 R)
• M13: 6,607,738 km (0.102 R)
• M14: 7,235,151 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.5

Radius: 10.5

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.59 AU - 2.59 AU

Year: 2827 Days

Day: 8.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,252,922 km

• M1: 133,292 km (0.118 R)
• M2: 538,702 km (0.105 R)
• M3: 1,054,366 km (0.107 R)
• M4: 1,466,508 km (0.113 R)
• M5: 2,024,508 km (0.114 R)
• M6: 3,053,442 km (0.071 R)
• M7: 3,567,012 km (0.109 R)
• M8: 4,422,711 km (0.091 R)
• M9: 4,791,620 km (0.091 R)
• M10: 5,435,489 km (0.077 R)
• M11: 5,886,826 km (0.106 R)
• M12: 8,779,151 km (0.072 R)
• M13: 9,327,128 km (0.108 R)
• M14: 9,820,352 km (0.093 R)
• M15: 10,211,551 km (0.075 R)
• M16: 13,013,668 km (0.085 R)
• M17: 14,117,401 km (0.101 R)
• M18: 18,681,483 km (0.082 R)
• M19: 19,588,794 km (0.103 R)
• M20: 20,147,093 km (0.044 R)
• M21: 20,525,127 km (0.03 R)
• M22: 22,151,555 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.4

Radius: 14.4

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.19 AU - 3.81 AU

Year: 4441 Days

Day: 12.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,252,922 km

• M1: 179,218 km (0.118 R)
• M2: 685,906 km (0.052 R)
• M3: 1,282,054 km (0.11 R)
• M4: 3,487,426 km (0.113 R)
• M5: 4,210,881 km (0.1 R)
• M6: 4,956,028 km (0.119 R)
• M7: 5,537,066 km (0.069 R)
• M8: 6,372,570 km (0.069 R)
• M9: 6,836,922 km (0.095 R)
• M10: 7,764,728 km (0.101 R)
• M11: 8,625,364 km (0.093 R)
• M12: 17,055,952 km (0.067 R)
• M13: 21,665,362 km (0.116 R)
• M14: 24,405,247 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.6

Radius: 14.6

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.37 AU - 3.93 AU

Year: 4730 Days

Day: 12.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 54.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,252,922 km

• M1: 187,446 km (0.117 R)
• M2: 901,926 km (0.105 R)
• M3: 1,555,369 km (0.066 R)
• M4: 2,860,461 km (0.074 R)
• M5: 6,232,846 km (0.09 R)
• M6: 6,808,349 km (0.083 R)
• M7: 7,858,077 km (0.067 R)
• M8: 8,862,776 km (0.099 R)
• M9: 9,357,646 km (0.097 R)
• M10: 12,726,291 km (0.041 R)
• M11: 13,259,009 km (0.091 R)
• M12: 15,650,181 km (0.078 R)
• M13: 16,431,980 km (0.097 R)
• M14: 18,623,589 km (0.104 R)
• M15: 19,565,307 km (0.093 R)
• M16: 21,205,349 km (0.077 R)
• M17: 23,436,152 km (0.102 R)
• M18: 25,058,092 km (0.09 R)
• M19: 25,742,652 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 638.7

Radius: 4.9

Gravity: 26.6 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.99 AU - 7.55 AU

Year: 10649 Days

Day: 21.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 46,252,922 km

• M1: 60,886 km (0.032 R)
• M2: 468,989 km (0.095 R)
• M3: 646,562 km (0.051 R)
• M4: 1,364,632 km (0.104 R)
• M5: 2,046,200 km (0.097 R)
• M6: 3,597,380 km (0.088 R)
• M7: 4,187,095 km (0.116 R)
• M8: 4,932,990 km (0.104 R)
• M9: 6,304,653 km (0.113 R)
• M10: 7,280,629 km (0.069 R)
• M11: 7,529,111 km (0.085 R)
• M12: 8,308,516 km (0.114 R)
• M13: 8,625,813 km (0.094 R)
• M14: 8,857,241 km (0.079 R)
• M15: 10,282,460 km (0.09 R)
• M16: 19,823,812 km (0.077 R)
• M17: 21,469,838 km (0.081 R)
• M18: 23,205,023 km (0.056 R)
• M19: 30,117,791 km (0.095 R)
• M20: 33,637,530 km (0.074 R)
• M21: 34,674,692 km (0.058 R)
• M22: 37,055,692 km (0.063 R)
• M23: 45,125,151 km (0.116 R)
• M24: 45,822,725 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 491.7

Radius: 4.6

Gravity: 23.24 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 5.72 AU - 7.24 AU

Year: 11188 Days

Day: 19.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,252,922 km

• M1: 75,248 km (0.106 R)
• M2: 280,197 km (0.079 R)
• M3: 522,695 km (0.104 R)
• M4: 956,379 km (0.091 R)
• M5: 1,628,373 km (0.098 R)
• M6: 2,493,348 km (0.076 R)
• M7: 2,652,520 km (0.113 R)
• M8: 3,125,997 km (0.087 R)
• M9: 3,885,954 km (0.11 R)
• M10: 5,660,185 km (0.109 R)
• M11: 6,113,317 km (0.104 R)
• M12: 7,291,101 km (0.078 R)
• M13: 16,106,904 km (0.096 R)
• M14: 18,701,080 km (0.118 R)
• M15: 29,337,938 km (0.062 R)
• M16: 30,687,460 km (0.111 R)
• M17: 31,753,494 km (0.118 R)
• M18: 36,500,534 km (0.105 R)
• M19: 43,005,947 km (0.085 R)
• M20: 45,426,441 km (0.088 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 203 - 12,109 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit