🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.5

Radius: 14.7

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.7 AU - 1.02 AU

Year: 523 Days

Day: 8.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,009,508 km

• M1: 183,557 km (0.11 R)
• M2: 662,868 km (0.096 R)
• M3: 1,140,684 km (0.116 R)
• M4: 1,675,047 km (0.066 R)
• M5: 2,468,664 km (0.093 R)
• M6: 2,980,139 km (0.108 R)
• M7: 3,491,614 km (0.104 R)
• M8: 4,061,881 km (0.085 R)
• M9: 4,523,092 km (0.103 R)
• M10: 5,265,695 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.8

Radius: 10.7

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.73 AU - 1.19 AU

Year: 617 Days

Day: 12.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 63,009,508 km

• M1: 133,441 km (0.1 R)
• M2: 496,815 km (0.076 R)
• M3: 845,228 km (0.098 R)
• M4: 1,496,727 km (0.045 R)
• M5: 2,127,431 km (0.119 R)
• M6: 2,552,439 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619

Radius: 12.9

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.98 AU - 1.28 AU

Year: 788 Days

Day: 13.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,009,508 km

• M1: 160,818 km (0.115 R)
• M2: 637,287 km (0.119 R)
• M3: 1,205,011 km (0.113 R)
• M4: 1,675,795 km (0.087 R)
• M5: 2,270,148 km (0.088 R)
• M6: 2,917,757 km (0.104 R)
• M7: 3,990,673 km (0.05 R)
• M8: 4,471,480 km (0.068 R)
• M9: 6,499,728 km (0.105 R)
• M10: 7,190,721 km (0.113 R)
• M11: 8,294,005 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.5

Radius: 14

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.98 AU - 1.62 AU

Year: 972 Days

Day: 5.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,009,508 km

• M1: 174,581 km (0.071 R)
• M2: 670,498 km (0.1 R)
• M3: 1,113,607 km (0.119 R)
• M4: 1,961,078 km (0.065 R)
• M5: 2,412,714 km (0.105 R)
• M6: 3,175,215 km (0.103 R)
• M7: 3,966,737 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.2

Radius: 14.1

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.8 AU - 2.86 AU

Year: 2333 Days

Day: 11.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,009,508 km

• M1: 175,628 km (0.025 R)
• M2: 641,176 km (0.111 R)
• M3: 1,359,695 km (0.074 R)
• M4: 1,808,788 km (0.063 R)
• M5: 2,345,246 km (0.041 R)
• M6: 3,037,136 km (0.111 R)
• M7: 4,542,988 km (0.057 R)
• M8: 5,986,159 km (0.081 R)
• M9: 7,407,039 km (0.067 R)
• M10: 7,970,275 km (0.088 R)
• M11: 9,504,701 km (0.057 R)
• M12: 10,399,745 km (0.113 R)
• M13: 11,431,970 km (0.099 R)
• M14: 11,888,842 km (0.039 R)
• M15: 12,795,106 km (0.108 R)
• M16: 15,287,257 km (0.119 R)
• M17: 16,151,035 km (0.103 R)
• M18: 17,589,718 km (0.106 R)
• M19: 19,875,723 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.7

Radius: 11.6

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 3.51 AU - 4.33 AU

Year: 5091 Days

Day: 6.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,009,508 km

• M1: 144,212 km (0.114 R)
• M2: 900,878 km (0.106 R)
• M3: 1,362,537 km (0.095 R)
• M4: 1,740,272 km (0.093 R)
• M5: 2,380,401 km (0.081 R)
• M6: 2,781,772 km (0.099 R)
• M7: 3,266,170 km (0.11 R)
• M8: 3,999,649 km (0.093 R)
• M9: 4,814,957 km (0.05 R)
• M10: 7,125,496 km (0.101 R)
• M11: 7,691,275 km (0.111 R)
• M12: 8,179,563 km (0.045 R)
• M13: 9,295,862 km (0.057 R)
• M14: 9,769,788 km (0.091 R)
• M15: 10,680,690 km (0.089 R)
• M16: 11,333,535 km (0.112 R)
• M17: 11,874,780 km (0.102 R)
• M18: 12,386,105 km (0.094 R)
• M19: 13,703,614 km (0.109 R)
• M20: 16,615,686 km (0.107 R)
• M21: 19,852,535 km (0.093 R)
• M22: 20,573,447 km (0.113 R)
• M23: 21,859,839 km (0.076 R)
• M24: 25,962,860 km (0.061 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.2

Radius: 14.7

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 4.46 AU - 6.08 AU

Year: 7936 Days

Day: 9.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,009,508 km

• M1: 187,745 km (0.092 R)
• M2: 713,283 km (0.092 R)
• M3: 1,529,040 km (0.101 R)
• M4: 2,362,001 km (0.099 R)
• M5: 2,883,798 km (0.092 R)
• M6: 4,002,940 km (0.081 R)
• M7: 6,757,785 km (0.096 R)
• M8: 7,467,627 km (0.091 R)
• M9: 8,683,558 km (0.105 R)
• M10: 9,157,185 km (0.036 R)
• M11: 10,682,934 km (0.076 R)
• M12: 12,323,274 km (0.106 R)
• M13: 13,752,083 km (0.093 R)
• M14: 19,763,973 km (0.077 R)
• M15: 21,289,123 km (0.117 R)
• M16: 21,862,831 km (0.092 R)
• M17: 23,266,658 km (0.109 R)
• M18: 25,284,135 km (0.066 R)
• M19: 27,669,173 km (0.062 R)
• M20: 28,960,203 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 910.6

Radius: 3.7

Gravity: 66.52 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 5.97 AU - 8.73 AU

Year: 13072 Days

Day: 16.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 63,009,508 km

• M1: 47,871 km (0.035 R)
• M2: 181,163 km (0.11 R)
• M3: 383,419 km (0.057 R)
• M4: 725,699 km (0.043 R)
• M5: 927,357 km (0.092 R)
• M6: 1,065,735 km (0.104 R)
• M7: 1,885,681 km (0.097 R)
• M8: 2,109,180 km (0.087 R)
• M9: 2,910,875 km (0.1 R)
• M10: 4,015,506 km (0.072 R)
• M11: 5,446,110 km (0.026 R)
• M12: 6,793,987 km (0.062 R)
• M13: 7,052,941 km (0.119 R)
• M14: 7,590,446 km (0.088 R)
• M15: 11,342,062 km (0.094 R)
• M16: 12,330,904 km (0.097 R)
• M17: 12,911,792 km (0.099 R)
• M18: 15,051,939 km (0.083 R)
• M19: 15,270,801 km (0.11 R)
• M20: 16,551,508 km (0.092 R)
• M21: 16,784,731 km (0.055 R)
• M22: 17,497,416 km (0.08 R)
• M23: 18,983,072 km (0.05 R)
• M24: 22,202,568 km (0.045 R)
• M25: 22,964,320 km (0.09 R)
• M26: 24,339,125 km (0.113 R)
• M27: 25,560,292 km (0.078 R)
• M28: 25,871,905 km (0.103 R)
• M29: 27,251,347 km (0.098 R)
• M30: 28,679,109 km (0.096 R)
• M31: 29,468,088 km (0.058 R)
• M32: 31,921,942 km (0.104 R)
• M33: 33,014,156 km (0.046 R)
• M34: 35,272,635 km (0.052 R)
• M35: 35,917,701 km (0.103 R)
• M36: 36,047,701 km (0.118 R)
• M37: 38,577,102 km (0.095 R)
• M38: 40,655,765 km (0.061 R)
• M39: 47,337,254 km (0.062 R)
• M40: 50,854,749 km (0.071 R)
• M41: 55,926,416 km (0.119 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 335 - 15,328 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit