🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.1

Radius: 10.6

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.49 AU - 0.75 AU

Year: 331 Days

Day: 6 Hours

Environment

Temp: -153 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,154,780 km

• M1: 133,142 km (0.045 R)
• M2: 497,563 km (0.102 R)
• M3: 870,211 km (0.079 R)
• M4: 1,694,495 km (0.095 R)
• M5: 2,202,829 km (0.103 R)
• M6: 2,725,673 km (0.061 R)
• M7: 3,191,671 km (0.11 R)
• M8: 4,058,141 km (0.117 R)
• M9: 4,506,785 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.8

Radius: 14

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.81 AU - 2.81 AU

Year: 2381 Days

Day: 8.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,154,780 km

• M1: 174,132 km (0.103 R)
• M2: 744,549 km (0.081 R)
• M3: 1,284,597 km (0.087 R)
• M4: 2,428,422 km (0.11 R)
• M5: 3,238,794 km (0.066 R)
• M6: 5,377,445 km (0.078 R)
• M7: 6,929,523 km (0.084 R)
• M8: 8,333,200 km (0.094 R)
• M9: 8,909,600 km (0.078 R)
• M10: 10,666,478 km (0.076 R)
• M11: 11,243,028 km (0.106 R)
• M12: 12,384,759 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.4

Radius: 8.7

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.84 AU - 2.86 AU

Year: 2443 Days

Day: 6.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 56,154,780 km

• M1: 108,159 km (0.052 R)
• M2: 534,064 km (0.062 R)
• M3: 1,447,060 km (0.069 R)
• M4: 3,689,383 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.8

Radius: 12

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.91 AU - 4.97 AU

Year: 6345 Days

Day: 6.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,154,780 km

• M1: 149,448 km (0.072 R)
• M2: 604,824 km (0.108 R)
• M3: 990,188 km (0.096 R)
• M4: 2,208,364 km (0.118 R)
• M5: 2,595,822 km (0.104 R)
• M6: 4,463,252 km (0.11 R)
• M7: 8,832,707 km (0.093 R)
• M8: 9,408,360 km (0.119 R)
• M9: 12,949,940 km (0.074 R)
• M10: 13,987,401 km (0.112 R)
• M11: 17,570,270 km (0.104 R)
• M12: 18,768,998 km (0.116 R)
• M13: 21,883,177 km (0.073 R)
• M14: 22,856,161 km (0.079 R)
• M15: 28,539,085 km (0.034 R)
• M16: 30,392,154 km (0.11 R)
• M17: 31,398,947 km (0.053 R)
• M18: 35,872,073 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.3

Radius: 8.6

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4.39 AU - 6.03 AU

Year: 8066 Days

Day: 11 Hours

Environment

Temp: -235 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,154,780 km

• M1: 113,096 km (0.113 R)
• M2: 525,089 km (0.067 R)
• M3: 875,447 km (0.056 R)
• M4: 1,381,387 km (0.084 R)
• M5: 2,352,127 km (0.112 R)
• M6: 4,372,447 km (0.096 R)
• M7: 6,720,385 km (0.079 R)
• M8: 10,429,814 km (0.117 R)
• M9: 13,615,351 km (0.103 R)
• M10: 15,820,723 km (0.084 R)
• M11: 17,638,935 km (0.096 R)
• M12: 22,822,202 km (0.081 R)
• M13: 24,601,071 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 891.6

Radius: 6.2

Gravity: 23.19 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.53 AU - 7.51 AU

Year: 10018 Days

Day: 22.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 56,154,780 km

• M1: 78,240 km (0.098 R)
• M2: 287,378 km (0.117 R)
• M3: 713,731 km (0.096 R)
• M4: 1,666,221 km (0.106 R)
• M5: 2,026,602 km (0.042 R)
• M6: 2,359,009 km (0.107 R)
• M7: 2,621,403 km (0.074 R)
• M8: 3,039,679 km (0.102 R)
• M9: 3,843,768 km (0.077 R)
• M10: 4,150,593 km (0.054 R)
• M11: 4,564,530 km (0.114 R)
• M12: 4,908,755 km (0.074 R)
• M13: 7,140,755 km (0.033 R)
• M14: 7,562,023 km (0.036 R)
• M15: 8,925,308 km (0.109 R)
• M16: 10,023,805 km (0.118 R)
• M17: 12,188,187 km (0.081 R)
• M18: 12,789,571 km (0.084 R)
• M19: 13,284,889 km (0.109 R)
• M20: 14,915,057 km (0.118 R)
• M21: 15,463,633 km (0.096 R)
• M22: 16,239,896 km (0.116 R)
• M23: 16,528,620 km (0.058 R)
• M24: 17,265,090 km (0.117 R)
• M25: 18,882,692 km (0.027 R)
• M26: 19,933,168 km (0.081 R)
• M27: 22,327,183 km (0.091 R)
• M28: 22,863,940 km (0.051 R)
• M29: 23,685,382 km (0.091 R)
• M30: 24,526,272 km (0.108 R)
• M31: 24,810,807 km (0.05 R)
• M32: 28,609,845 km (0.081 R)
• M33: 28,819,880 km (0.075 R)
• M34: 34,057,750 km (0.071 R)
• M35: 35,248,549 km (0.112 R)
• M36: 42,981,862 km (0.083 R)
• M37: 47,534,424 km (0.12 R)
• M38: 50,078,934 km (0.094 R)
• M39: 50,384,264 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 92.3

Radius: 6.7

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 5.94 AU - 8.36 AU

Year: 12967 Days

Day: 16 Hours

Environment

Temp: -229 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,154,780 km

• M1: 83,326 km (0.118 R)
• M2: 360,980 km (0.046 R)
• M3: 1,343,389 km (0.104 R)
• M4: 1,811,780 km (0.098 R)
• M5: 2,165,878 km (0.111 R)
• M6: 3,206,182 km (0.116 R)
• M7: 4,156,876 km (0.098 R)
• M8: 6,861,157 km (0.096 R)
• M9: 7,438,904 km (0.116 R)
• M10: 10,600,655 km (0.12 R)
• M11: 11,890,787 km (0.079 R)
• M12: 12,623,517 km (0.049 R)
• M13: 15,058,073 km (0.116 R)
• M14: 15,683,542 km (0.111 R)
• M15: 17,415,436 km (0.094 R)
• M16: 22,113,557 km (0.072 R)
• M17: 22,478,277 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 569.8

Radius: 7.5

Gravity: 10.13 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 6.89 AU - 8.09 AU

Year: 13903 Days

Day: 16.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 56,154,780 km

• M1: 93,349 km (0.082 R)
• M2: 1,001,109 km (0.069 R)
• M3: 2,053,530 km (0.118 R)
• M4: 2,375,465 km (0.117 R)
• M5: 2,956,054 km (0.112 R)
• M6: 3,444,491 km (0.105 R)
• M7: 4,276,554 km (0.093 R)
• M8: 4,519,501 km (0.061 R)
• M9: 5,201,817 km (0.118 R)
• M10: 5,766,400 km (0.077 R)
• M11: 6,934,161 km (0.099 R)
• M12: 7,185,335 km (0.114 R)
• M13: 9,068,922 km (0.078 R)
• M14: 9,471,490 km (0.088 R)
• M15: 11,374,525 km (0.114 R)
• M16: 11,665,792 km (0.119 R)
• M17: 12,943,806 km (0.086 R)
• M18: 14,044,697 km (0.111 R)
• M19: 14,583,698 km (0.085 R)
• M20: 17,334,803 km (0.114 R)
• M21: 17,643,124 km (0.091 R)
• M22: 19,653,869 km (0.081 R)
• M23: 21,902,175 km (0.068 R)
• M24: 22,902,985 km (0.088 R)
• M25: 25,488,336 km (0.052 R)
• M26: 27,420,093 km (0.105 R)
• M27: 28,475,057 km (0.096 R)
• M28: 29,776,409 km (0.118 R)
• M29: 31,687,223 km (0.114 R)
• M30: 34,887,869 km (0.083 R)
• M31: 41,923,158 km (0.101 R)
• M32: 49,383,603 km (0.083 R)
• M33: 52,857,864 km (0.051 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 282 - 14,015 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit