🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548

Radius: 12.9

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.67 AU - 0.91 AU

Year: 461 Days

Day: 14.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,344,556 km

• M1: 160,519 km (0.105 R)
• M2: 722,857 km (0.045 R)
• M3: 1,157,439 km (0.06 R)
• M4: 1,583,344 km (0.107 R)
• M5: 2,066,545 km (0.046 R)
• M6: 2,767,411 km (0.086 R)
• M7: 3,180,002 km (0.114 R)
• M8: 4,616,141 km (0.062 R)
• M9: 5,077,202 km (0.096 R)
• M10: 5,651,359 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.8

Radius: 11.2

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.82 AU - 1.34 AU

Year: 736 Days

Day: 9.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,344,556 km

• M1: 139,276 km (0.084 R)
• M2: 518,955 km (0.069 R)
• M3: 884,423 km (0.088 R)
• M4: 1,590,824 km (0.063 R)
• M5: 2,411,817 km (0.1 R)
• M6: 2,820,817 km (0.101 R)
• M7: 3,352,488 km (0.113 R)
• M8: 3,892,985 km (0.083 R)
• M9: 4,259,799 km (0.063 R)
• M10: 5,114,751 km (0.117 R)
• M11: 5,465,857 km (0.1 R)
• M12: 6,080,555 km (0.065 R)
• M13: 6,720,236 km (0.098 R)
• M14: 7,185,635 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.3

Radius: 10.3

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.63 AU - 3.29 AU

Year: 3341 Days

Day: 11.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,344,556 km

• M1: 128,056 km (0.107 R)
• M2: 448,494 km (0.11 R)
• M3: 887,714 km (0.1 R)
• M4: 1,383,631 km (0.101 R)
• M5: 1,877,453 km (0.045 R)
• M6: 3,291,004 km (0.12 R)
• M7: 4,778,605 km (0.06 R)
• M8: 6,559,867 km (0.119 R)
• M9: 6,928,625 km (0.114 R)
• M10: 8,216,065 km (0.082 R)
• M11: 9,158,681 km (0.088 R)
• M12: 9,656,393 km (0.118 R)
• M13: 10,060,008 km (0.058 R)
• M14: 10,901,047 km (0.097 R)
• M15: 11,705,585 km (0.111 R)
• M16: 13,074,704 km (0.058 R)
• M17: 15,029,948 km (0.089 R)
• M18: 15,975,557 km (0.119 R)
• M19: 17,494,723 km (0.112 R)
• M20: 17,930,202 km (0.097 R)
• M21: 18,484,762 km (0.092 R)
• M22: 19,453,707 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109

Radius: 13.1

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.35 AU - 3.59 AU

Year: 3358 Days

Day: 14.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,344,556 km

• M1: 162,912 km (0.115 R)
• M2: 821,292 km (0.117 R)
• M3: 1,246,898 km (0.086 R)
• M4: 1,729,651 km (0.093 R)
• M5: 2,974,155 km (0.088 R)
• M6: 3,595,734 km (0.098 R)
• M7: 5,161,276 km (0.098 R)
• M8: 6,385,884 km (0.114 R)
• M9: 8,835,250 km (0.112 R)
• M10: 10,124,933 km (0.117 R)
• M11: 12,253,113 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.8

Radius: 10.9

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.88 AU - 3.78 AU

Year: 3986 Days

Day: 5.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 51,344,556 km

• M1: 137,630 km (0.099 R)
• M2: 653,443 km (0.067 R)
• M3: 1,018,612 km (0.083 R)
• M4: 1,479,074 km (0.109 R)
• M5: 1,910,215 km (0.072 R)
• M6: 2,638,906 km (0.057 R)
• M7: 3,068,252 km (0.053 R)
• M8: 4,326,221 km (0.107 R)
• M9: 4,874,347 km (0.103 R)
• M10: 6,293,283 km (0.091 R)
• M11: 7,335,681 km (0.1 R)
• M12: 8,190,334 km (0.099 R)
• M13: 9,677,486 km (0.093 R)
• M14: 10,054,622 km (0.088 R)
• M15: 11,245,571 km (0.116 R)
• M16: 12,235,011 km (0.089 R)
• M17: 12,775,957 km (0.105 R)
• M18: 13,281,449 km (0.074 R)
• M19: 14,604,043 km (0.073 R)
• M20: 14,989,557 km (0.096 R)
• M21: 16,304,522 km (0.099 R)
• M22: 17,020,348 km (0.11 R)
• M23: 19,097,215 km (0.12 R)
• M24: 20,572,400 km (0.096 R)
• M25: 21,549,872 km (0.12 R)
• M26: 23,446,923 km (0.107 R)
• M27: 26,906,823 km (0.098 R)
• M28: 27,570,588 km (0.07 R)
• M29: 28,075,481 km (0.07 R)
• M30: 28,586,508 km (0.042 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 457.7

Radius: 3.1

Gravity: 47.63 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 7.46 AU - 8.04 AU

Year: 14153 Days

Day: 23.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 51,344,556 km

• M1: 48,320 km (0.107 R)
• M2: 280,047 km (0.069 R)
• M3: 480,060 km (0.113 R)
• M4: 786,735 km (0.048 R)
• M5: 903,571 km (0.089 R)
• M6: 1,197,381 km (0.091 R)
• M7: 2,542,565 km (0.074 R)
• M8: 3,316,585 km (0.099 R)
• M9: 4,816,752 km (0.091 R)
• M10: 5,660,035 km (0.106 R)
• M11: 6,518,727 km (0.109 R)
• M12: 7,164,990 km (0.113 R)
• M13: 7,808,560 km (0.102 R)
• M14: 10,126,130 km (0.051 R)
• M15: 11,554,790 km (0.108 R)
• M16: 11,669,980 km (0.09 R)
• M17: 12,864,070 km (0.068 R)
• M18: 13,049,871 km (0.059 R)
• M19: 18,299,859 km (0.099 R)
• M20: 19,011,346 km (0.084 R)
• M21: 19,252,498 km (0.068 R)
• M22: 23,763,622 km (0.081 R)
• M23: 24,043,519 km (0.095 R)
• M24: 26,661,781 km (0.088 R)
• M25: 28,509,016 km (0.107 R)
• M26: 33,613,594 km (0.11 R)
• M27: 35,038,813 km (0.07 R)
• M28: 47,917,844 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 169

Radius: 6.3

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 8.69 AU - 12.31 AU

Year: 22320 Days

Day: 20.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,344,556 km

• M1: 84,373 km (0.105 R)
• M2: 392,545 km (0.098 R)
• M3: 702,063 km (0.109 R)
• M4: 1,561,652 km (0.087 R)
• M5: 1,870,871 km (0.078 R)
• M6: 2,220,332 km (0.083 R)
• M7: 3,585,861 km (0.029 R)
• M8: 3,795,747 km (0.118 R)
• M9: 6,371,972 km (0.107 R)
• M10: 9,227,047 km (0.076 R)
• M11: 9,672,849 km (0.07 R)
• M12: 10,342,000 km (0.084 R)
• M13: 22,761,166 km (0.1 R)
• M14: 27,933,214 km (0.064 R)
• M15: 39,738,879 km (0.099 R)
• M16: 45,577,235 km (0.095 R)
• M17: 46,578,793 km (0.107 R)
• M18: 47,012,477 km (0.109 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 439 - 16,196 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit