🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.2

Radius: 8

Gravity: 8.77 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.66 AU - 0.76 AU

Year: 392 Days

Day: 8.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 73.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,994,904 km

• M1: 99,483 km (0.109 R)
• M2: 360,980 km (0.06 R)
• M3: 686,205 km (0.118 R)
• M4: 1,175,091 km (0.094 R)
• M5: 1,425,069 km (0.087 R)
• M6: 1,753,885 km (0.104 R)
• M7: 2,303,358 km (0.087 R)
• M8: 2,652,071 km (0.069 R)
• M9: 3,186,435 km (0.078 R)
• M10: 4,016,852 km (0.036 R)
• M11: 4,346,117 km (0.045 R)
• M12: 4,636,487 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.6

Radius: 9.9

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.85 AU - 1.15 AU

Year: 656 Days

Day: 14.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 59 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,994,904 km

• M1: 123,119 km (0.106 R)
• M2: 442,660 km (0.097 R)
• M3: 755,619 km (0.056 R)
• M4: 1,068,129 km (0.112 R)
• M5: 1,877,154 km (0.104 R)
• M6: 2,379,504 km (0.077 R)
• M7: 2,722,681 km (0.068 R)
• M8: 4,128,752 km (0.042 R)
• M9: 4,818,847 km (0.08 R)
• M10: 5,251,484 km (0.104 R)
• M11: 6,291,338 km (0.12 R)
• M12: 7,015,542 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.8

Radius: 9.3

Gravity: 9.11 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.46 AU - 1.52 AU

Year: 1193 Days

Day: 10.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,994,904 km

• M1: 115,789 km (0.05 R)
• M2: 461,061 km (0.102 R)
• M3: 830,717 km (0.118 R)
• M4: 1,457,233 km (0.069 R)
• M5: 1,771,987 km (0.097 R)
• M6: 2,301,563 km (0.072 R)
• M7: 2,758,884 km (0.052 R)
• M8: 3,246,423 km (0.097 R)
• M9: 3,757,749 km (0.102 R)
• M10: 4,233,021 km (0.106 R)
• M11: 4,652,943 km (0.107 R)
• M12: 5,640,887 km (0.066 R)
• M13: 6,451,558 km (0.086 R)
• M14: 6,787,106 km (0.078 R)
• M15: 8,415,479 km (0.118 R)
• M16: 8,845,722 km (0.063 R)
• M17: 9,564,540 km (0.086 R)
• M18: 10,419,192 km (0.086 R)
• M19: 11,427,632 km (0.058 R)
• M20: 11,919,809 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.4

Radius: 9.9

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.37 AU - 2.01 AU

Year: 1441 Days

Day: 10.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 75,994,904 km

• M1: 135,386 km (0.067 R)
• M2: 695,630 km (0.044 R)
• M3: 1,175,390 km (0.114 R)
• M4: 1,844,392 km (0.11 R)
• M5: 4,324,575 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.9

Radius: 8.1

Gravity: 7.74 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.76 AU - 3.26 AU

Year: 3426 Days

Day: 10.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,994,904 km

• M1: 100,679 km (0.116 R)
• M2: 489,634 km (0.059 R)
• M3: 799,900 km (0.077 R)
• M4: 1,154,297 km (0.086 R)
• M5: 3,124,950 km (0.073 R)
• M6: 3,833,146 km (0.112 R)
• M7: 4,486,739 km (0.12 R)
• M8: 4,875,544 km (0.119 R)
• M9: 6,345,642 km (0.115 R)
• M10: 7,136,417 km (0.089 R)
• M11: 7,795,545 km (0.119 R)
• M12: 8,156,674 km (0.098 R)
• M13: 8,701,959 km (0.046 R)
• M14: 9,639,488 km (0.113 R)
• M15: 10,017,373 km (0.085 R)
• M16: 12,408,096 km (0.119 R)
• M17: 13,175,234 km (0.084 R)
• M18: 14,262,811 km (0.056 R)
• M19: 14,605,539 km (0.092 R)
• M20: 16,295,247 km (0.028 R)
• M21: 16,723,696 km (0.034 R)
• M22: 19,394,616 km (0.082 R)
• M23: 20,925,152 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.6

Radius: 12.4

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.42 AU - 4.02 AU

Year: 4707 Days

Day: 9.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,994,904 km

• M1: 154,235 km (0.077 R)
• M2: 668,702 km (0.102 R)
• M3: 1,124,078 km (0.058 R)
• M4: 1,638,545 km (0.065 R)
• M5: 3,895,229 km (0.042 R)
• M6: 5,487,998 km (0.115 R)
• M7: 10,571,782 km (0.086 R)
• M8: 14,823,952 km (0.114 R)
• M9: 18,220,572 km (0.042 R)
• M10: 19,686,481 km (0.085 R)
• M11: 26,093,908 km (0.11 R)
• M12: 29,540,643 km (0.083 R)
• M13: 30,907,818 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.9

Radius: 11

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.63 AU - 4.41 AU

Year: 5287 Days

Day: 7.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,994,904 km

• M1: 168,896 km (0.079 R)
• M2: 511,026 km (0.107 R)
• M3: 1,271,881 km (0.075 R)
• M4: 2,270,596 km (0.053 R)
• M5: 2,669,724 km (0.108 R)
• M6: 3,301,625 km (0.102 R)
• M7: 4,103,769 km (0.06 R)
• M8: 6,287,299 km (0.118 R)
• M9: 11,526,366 km (0.047 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 543.3

Radius: 5.3

Gravity: 19.34 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 10.46 AU - 10.6 AU

Year: 22416 Days

Day: 23.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,994,904 km

• M1: 77,193 km (0.051 R)
• M2: 354,098 km (0.106 R)
• M3: 1,063,940 km (0.108 R)
• M4: 1,511,088 km (0.038 R)
• M5: 2,199,089 km (0.103 R)
• M6: 2,920,450 km (0.116 R)
• M7: 4,889,008 km (0.113 R)
• M8: 5,532,129 km (0.078 R)
• M9: 6,060,808 km (0.12 R)
• M10: 8,358,482 km (0.058 R)
• M11: 9,331,018 km (0.116 R)
• M12: 10,865,742 km (0.066 R)
• M13: 12,155,276 km (0.109 R)
• M14: 14,957,394 km (0.07 R)
• M15: 20,535,300 km (0.12 R)
• M16: 23,210,708 km (0.113 R)
• M17: 24,578,033 km (0.116 R)
• M18: 35,684,029 km (0.11 R)
• M19: 38,505,894 km (0.078 R)
• M20: 50,758,258 km (0.065 R)
• M21: 71,748,635 km (0.076 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 251 - 15,854 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit