🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.4

Radius: 9.8

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.54 AU - 0.62 AU

Year: 305 Days

Day: 12.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,169,801 km

• M1: 121,922 km (0.119 R)
• M2: 439,967 km (0.112 R)
• M3: 756,965 km (0.098 R)
• M4: 1,590,375 km (0.117 R)
• M5: 2,014,036 km (0.115 R)
• M6: 2,412,864 km (0.036 R)
• M7: 3,061,820 km (0.113 R)
• M8: 3,823,123 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.9

Radius: 12.1

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.88 AU - 1.08 AU

Year: 670 Days

Day: 9.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,169,801 km

• M1: 150,645 km (0.113 R)
• M2: 557,850 km (0.092 R)
• M3: 1,142,329 km (0.107 R)
• M4: 1,830,480 km (0.116 R)
• M5: 2,228,111 km (0.067 R)
• M6: 2,968,770 km (0.114 R)
• M7: 3,360,118 km (0.082 R)
• M8: 4,747,937 km (0.074 R)
• M9: 5,994,087 km (0.076 R)
• M10: 6,604,746 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.3

Radius: 11.9

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.36 AU - 1.88 AU

Year: 1423 Days

Day: 8 Hours

Environment

Temp: -196 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,169,801 km

• M1: 149,149 km (0.112 R)
• M2: 969,993 km (0.118 R)
• M3: 1,513,781 km (0.119 R)
• M4: 2,003,115 km (0.107 R)
• M5: 2,391,023 km (0.064 R)
• M6: 3,228,322 km (0.117 R)
• M7: 3,836,288 km (0.064 R)
• M8: 4,403,114 km (0.072 R)
• M9: 6,249,152 km (0.114 R)
• M10: 8,685,503 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724

Radius: 14

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.71 AU - 2.19 AU

Year: 1880 Days

Day: 14.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,169,801 km

• M1: 175,329 km (0.106 R)
• M2: 753,973 km (0.115 R)
• M3: 1,234,631 km (0.115 R)
• M4: 1,777,671 km (0.071 R)
• M5: 2,276,281 km (0.12 R)
• M6: 3,614,135 km (0.069 R)
• M7: 4,155,530 km (0.117 R)
• M8: 5,091,264 km (0.095 R)
• M9: 5,586,284 km (0.027 R)
• M10: 6,113,616 km (0.116 R)
• M11: 7,957,709 km (0.059 R)
• M12: 9,007,886 km (0.114 R)
• M13: 9,600,294 km (0.111 R)
• M14: 11,881,212 km (0.101 R)
• M15: 14,063,397 km (0.048 R)
• M16: 15,180,594 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.5

Radius: 8.1

Gravity: 11.87 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.6 AU - 2.38 AU

Year: 1938 Days

Day: 13.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,169,801 km

• M1: 102,624 km (0.071 R)
• M2: 519,553 km (0.057 R)
• M3: 937,231 km (0.087 R)
• M4: 1,206,806 km (0.114 R)
• M5: 1,567,935 km (0.106 R)
• M6: 2,023,760 km (0.044 R)
• M7: 2,482,577 km (0.035 R)
• M8: 3,451,073 km (0.075 R)
• M9: 4,383,966 km (0.065 R)
• M10: 5,499,218 km (0.095 R)
• M11: 7,096,624 km (0.114 R)
• M12: 9,898,592 km (0.065 R)
• M13: 10,181,781 km (0.119 R)
• M14: 10,801,864 km (0.104 R)
• M15: 12,896,982 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 551.2

Radius: 6.7

Gravity: 12.28 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 5.59 AU - 6.35 AU

Year: 10069 Days

Day: 20.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 74,169,801 km

• M1: 83,476 km (0.077 R)
• M2: 419,921 km (0.099 R)
• M3: 670,946 km (0.099 R)
• M4: 1,632,113 km (0.052 R)
• M5: 2,293,036 km (0.12 R)
• M6: 2,735,098 km (0.071 R)
• M7: 3,141,854 km (0.052 R)
• M8: 3,466,781 km (0.083 R)
• M9: 3,687,438 km (0.096 R)
• M10: 3,969,879 km (0.114 R)
• M11: 4,549,122 km (0.066 R)
• M12: 5,246,697 km (0.118 R)
• M13: 6,701,087 km (0.102 R)
• M14: 7,725,683 km (0.074 R)
• M15: 8,318,689 km (0.097 R)
• M16: 9,405,368 km (0.066 R)
• M17: 9,739,420 km (0.101 R)
• M18: 11,529,657 km (0.088 R)
• M19: 12,134,930 km (0.059 R)
• M20: 13,052,713 km (0.118 R)
• M21: 15,285,761 km (0.076 R)
• M22: 17,119,083 km (0.102 R)
• M23: 19,322,510 km (0.109 R)
• M24: 21,297,650 km (0.084 R)
• M25: 22,291,878 km (0.035 R)
• M26: 23,490,606 km (0.106 R)
• M27: 25,922,618 km (0.08 R)
• M28: 29,521,045 km (0.044 R)
• M29: 30,031,473 km (0.116 R)
• M30: 32,347,697 km (0.119 R)
• M31: 32,999,495 km (0.095 R)
• M32: 36,859,419 km (0.112 R)
• M33: 43,459,528 km (0.026 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 740.5

Radius: 4.2

Gravity: 41.98 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 7.02 AU - 10.9 AU

Year: 18513 Days

Day: 24.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 74,169,801 km

• M1: 52,210 km (0.105 R)
• M2: 183,557 km (0.057 R)
• M3: 333,603 km (0.075 R)
• M4: 499,058 km (0.05 R)
• M5: 841,488 km (0.068 R)
• M6: 1,478,925 km (0.118 R)
• M7: 2,435,603 km (0.099 R)
• M8: 3,175,813 km (0.092 R)
• M9: 3,340,221 km (0.118 R)
• M10: 6,806,254 km (0.082 R)
• M11: 7,219,593 km (0.114 R)
• M12: 7,456,407 km (0.066 R)
• M13: 10,058,512 km (0.097 R)
• M14: 10,655,108 km (0.093 R)
• M15: 14,438,738 km (0.108 R)
• M16: 18,673,554 km (0.093 R)
• M17: 21,652,646 km (0.047 R)
• M18: 23,152,066 km (0.103 R)
• M19: 23,666,982 km (0.078 R)
• M20: 23,979,491 km (0.096 R)
• M21: 24,400,460 km (0.083 R)
• M22: 27,486,514 km (0.078 R)
• M23: 36,873,332 km (0.077 R)
• M24: 39,005,251 km (0.059 R)
• M25: 41,973,871 km (0.084 R)
• M26: 45,089,397 km (0.08 R)
• M27: 46,377,733 km (0.09 R)
• M28: 46,867,068 km (0.113 R)
• M29: 47,359,844 km (0.033 R)
• M30: 50,561,238 km (0.063 R)
• M31: 51,776,272 km (0.097 R)
• M32: 54,083,969 km (0.119 R)
• M33: 54,807,573 km (0.119 R)
• M34: 57,766,619 km (0.064 R)
• M35: 58,333,147 km (0.119 R)
• M36: 60,441,729 km (0.063 R)
• M37: 61,220,984 km (0.11 R)
• M38: 63,799,602 km (0.11 R)
• M39: 71,750,729 km (0.057 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 211 - 19,047 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit