🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.9

Radius: 13.2

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.7 AU - 0.86 AU

Year: 467 Days

Day: 11.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 50,140,794 km

• M1: 164,258 km (0.084 R)
• M2: 642,373 km (0.09 R)
• M3: 1,057,358 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.1

Radius: 12.7

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.99 AU - 1.31 AU

Year: 836 Days

Day: 14.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,140,794 km

• M1: 157,975 km (0.108 R)
• M2: 765,792 km (0.043 R)
• M3: 1,262,606 km (0.039 R)
• M4: 1,798,316 km (0.116 R)
• M5: 2,823,510 km (0.102 R)
• M6: 4,985,499 km (0.066 R)
• M7: 6,617,462 km (0.097 R)
• M8: 7,165,888 km (0.057 R)
• M9: 7,936,167 km (0.109 R)
• M10: 8,479,806 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.7

Radius: 10.4

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.45 AU - 1.97 AU

Year: 1517 Days

Day: 9.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,140,794 km

• M1: 129,552 km (0.091 R)
• M2: 517,309 km (0.086 R)
• M3: 933,640 km (0.085 R)
• M4: 1,352,365 km (0.051 R)
• M5: 1,786,348 km (0.092 R)
• M6: 2,177,846 km (0.099 R)
• M7: 2,636,214 km (0.077 R)
• M8: 3,000,784 km (0.076 R)
• M9: 4,840,389 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.8

Radius: 10.5

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.7 AU - 3.32 AU

Year: 3542 Days

Day: 5.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,140,794 km

• M1: 139,126 km (0.054 R)
• M2: 662,719 km (0.101 R)
• M3: 1,064,987 km (0.108 R)
• M4: 1,880,595 km (0.107 R)
• M5: 2,774,741 km (0.096 R)
• M6: 3,438,507 km (0.073 R)
• M7: 4,165,104 km (0.107 R)
• M8: 6,283,559 km (0.098 R)
• M9: 8,002,588 km (0.086 R)
• M10: 10,160,388 km (0.099 R)
• M11: 11,571,395 km (0.102 R)
• M12: 12,096,783 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.3

Radius: 9.4

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 5.02 AU - 6.24 AU

Year: 9061 Days

Day: 5.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,140,794 km

• M1: 116,986 km (0.111 R)
• M2: 515,365 km (0.119 R)
• M3: 1,252,882 km (0.108 R)
• M4: 1,586,485 km (0.111 R)
• M5: 2,048,892 km (0.103 R)
• M6: 2,358,859 km (0.068 R)
• M7: 4,153,884 km (0.103 R)
• M8: 5,063,439 km (0.087 R)
• M9: 5,385,374 km (0.107 R)
• M10: 5,692,349 km (0.104 R)
• M11: 6,372,570 km (0.09 R)
• M12: 7,306,360 km (0.05 R)
• M13: 7,965,787 km (0.08 R)
• M14: 8,854,997 km (0.093 R)
• M15: 10,225,912 km (0.103 R)
• M16: 14,800,017 km (0.094 R)
• M17: 16,256,202 km (0.074 R)
• M18: 17,019,002 km (0.091 R)
• M19: 18,052,274 km (0.04 R)
• M20: 18,552,829 km (0.025 R)
• M21: 21,682,267 km (0.07 R)
• M22: 22,823,399 km (0.039 R)
• M23: 23,334,874 km (0.111 R)
• M24: 23,779,479 km (0.094 R)
• M25: 26,246,797 km (0.064 R)
• M26: 27,214,396 km (0.033 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 400.3

Radius: 4.4

Gravity: 20.68 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 5.48 AU - 8.78 AU

Year: 12913 Days

Day: 23.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 50,140,794 km

• M1: 58,792 km (0.033 R)
• M2: 292,015 km (0.119 R)
• M3: 451,786 km (0.059 R)
• M4: 752,776 km (0.105 R)
• M5: 1,496,278 km (0.087 R)
• M6: 2,020,768 km (0.119 R)
• M7: 2,325,050 km (0.101 R)
• M8: 2,537,778 km (0.107 R)
• M9: 2,870,334 km (0.054 R)
• M10: 3,828,658 km (0.051 R)
• M11: 6,095,365 km (0.03 R)
• M12: 7,487,373 km (0.113 R)
• M13: 8,937,874 km (0.075 R)
• M14: 9,315,908 km (0.082 R)
• M15: 10,053,127 km (0.107 R)
• M16: 10,307,293 km (0.108 R)
• M17: 10,618,008 km (0.089 R)
• M18: 10,881,600 km (0.052 R)
• M19: 11,754,653 km (0.115 R)
• M20: 12,439,362 km (0.091 R)
• M21: 13,090,113 km (0.081 R)
• M22: 13,638,987 km (0.078 R)
• M23: 14,458,933 km (0.116 R)
• M24: 14,913,711 km (0.099 R)
• M25: 15,445,232 km (0.096 R)
• M26: 15,920,505 km (0.12 R)
• M27: 18,824,947 km (0.108 R)
• M28: 19,840,118 km (0.072 R)
• M29: 26,514,128 km (0.081 R)
• M30: 28,591,743 km (0.078 R)
• M31: 31,962,333 km (0.098 R)
• M32: 33,067,562 km (0.108 R)
• M33: 33,291,660 km (0.031 R)
• M34: 34,772,828 km (0.046 R)
• M35: 35,823,604 km (0.12 R)
• M36: 40,750,759 km (0.063 R)
• M37: 44,592,582 km (0.112 R)
• M38: 46,671,394 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 844.6

Radius: 4.4

Gravity: 43.63 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 8.84 AU - 11.98 AU

Year: 22781 Days

Day: 22.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 50,140,794 km

• M1: 54,902 km (0.118 R)
• M2: 288,425 km (0.061 R)
• M3: 798,703 km (0.085 R)
• M4: 1,040,902 km (0.066 R)
• M5: 1,378,694 km (0.061 R)
• M6: 1,691,054 km (0.104 R)
• M7: 1,864,139 km (0.06 R)
• M8: 2,455,948 km (0.083 R)
• M9: 3,519,440 km (0.101 R)
• M10: 4,169,442 km (0.116 R)
• M11: 5,370,863 km (0.12 R)
• M12: 7,175,013 km (0.104 R)
• M13: 7,838,928 km (0.057 R)
• M14: 7,997,801 km (0.108 R)
• M15: 8,654,835 km (0.051 R)
• M16: 9,828,730 km (0.091 R)
• M17: 11,782,627 km (0.108 R)
• M18: 14,770,396 km (0.078 R)
• M19: 15,423,241 km (0.084 R)
• M20: 15,925,142 km (0.048 R)
• M21: 16,785,928 km (0.114 R)
• M22: 19,553,938 km (0.105 R)
• M23: 21,976,077 km (0.119 R)
• M24: 23,041,812 km (0.111 R)
• M25: 28,514,551 km (0.068 R)
• M26: 29,781,196 km (0.081 R)
• M27: 30,038,953 km (0.105 R)
• M28: 31,750,652 km (0.105 R)
• M29: 32,425,937 km (0.116 R)
• M30: 37,423,553 km (0.112 R)
• M31: 38,025,535 km (0.087 R)
• M32: 38,940,475 km (0.113 R)
• M33: 41,612,293 km (0.077 R)
• M34: 43,075,061 km (0.091 R)
• M35: 63,173,535 km (0.097 R)
• M36: 67,293,461 km (0.118 R)
• M37: 71,819,843 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 141.5

Radius: 3.5

Gravity: 11.55 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 8.85 AU - 12.43 AU

Year: 23540 Days

Day: 15.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 50,140,794 km

• M1: 45,627 km (0.1 R)
• M2: 241,152 km (0.069 R)
• M3: 381,774 km (0.087 R)
• M4: 835,654 km (0.068 R)
• M5: 1,051,673 km (0.068 R)
• M6: 1,409,661 km (0.09 R)
• M7: 1,565,093 km (0.111 R)
• M8: 1,811,331 km (0.118 R)
• M9: 2,560,517 km (0.062 R)
• M10: 2,969,817 km (0.054 R)
• M11: 3,521,534 km (0.083 R)
• M12: 3,728,727 km (0.12 R)
• M13: 5,378,642 km (0.096 R)
• M14: 5,549,333 km (0.091 R)
• M15: 5,794,225 km (0.058 R)
• M16: 7,671,977 km (0.081 R)
• M17: 8,936,079 km (0.048 R)
• M18: 9,767,694 km (0.114 R)
• M19: 11,358,817 km (0.095 R)
• M20: 12,510,571 km (0.087 R)
• M21: 13,237,916 km (0.105 R)
• M22: 16,934,030 km (0.068 R)
• M23: 18,202,171 km (0.12 R)
• M24: 18,355,360 km (0.1 R)
• M25: 24,649,690 km (0.109 R)
• M26: 30,055,708 km (0.092 R)
• M27: 34,183,413 km (0.108 R)
• M28: 46,619,633 km (0.089 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 548 - 18,052 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit