🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.5

Radius: 11.4

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.96 AU - 1.2 AU

Year: 748 Days

Day: 10.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,011,153 km

• M1: 141,819 km (0.117 R)
• M2: 555,457 km (0.06 R)
• M3: 972,835 km (0.067 R)
• M4: 1,567,486 km (0.057 R)
• M5: 1,962,574 km (0.098 R)
• M6: 2,414,360 km (0.102 R)
• M7: 2,843,407 km (0.105 R)
• M8: 3,984,838 km (0.116 R)
• M9: 4,995,671 km (0.082 R)
• M10: 5,356,501 km (0.113 R)
• M11: 7,321,619 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.2

Radius: 14.5

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.29 AU - 1.85 AU

Year: 1312 Days

Day: 11.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,011,153 km

• M1: 186,100 km (0.068 R)
• M2: 651,200 km (0.076 R)
• M3: 1,109,867 km (0.102 R)
• M4: 1,669,662 km (0.079 R)
• M5: 2,182,035 km (0.103 R)
• M6: 2,635,166 km (0.106 R)
• M7: 3,123,903 km (0.103 R)
• M8: 4,115,288 km (0.09 R)
• M9: 4,685,106 km (0.079 R)
• M10: 5,166,662 km (0.118 R)
• M11: 6,600,258 km (0.115 R)
• M12: 7,308,454 km (0.085 R)
• M13: 8,121,070 km (0.032 R)
• M14: 9,802,999 km (0.045 R)
• M15: 11,811,949 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.1

Radius: 9.2

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.71 AU - 1.87 AU

Year: 1597 Days

Day: 9.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,011,153 km

• M1: 114,592 km (0.088 R)
• M2: 445,502 km (0.089 R)
• M3: 746,344 km (0.07 R)
• M4: 1,088,175 km (0.092 R)
• M5: 1,444,816 km (0.11 R)
• M6: 1,765,255 km (0.072 R)
• M7: 2,638,009 km (0.049 R)
• M8: 3,012,752 km (0.048 R)
• M9: 3,588,105 km (0.092 R)
• M10: 4,116,335 km (0.099 R)
• M11: 4,514,415 km (0.075 R)
• M12: 5,388,366 km (0.112 R)
• M13: 5,801,854 km (0.115 R)
• M14: 6,461,730 km (0.114 R)
• M15: 6,881,053 km (0.075 R)
• M16: 7,170,675 km (0.114 R)
• M17: 8,115,385 km (0.063 R)
• M18: 9,760,214 km (0.097 R)
• M19: 10,565,350 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.7

Radius: 9

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.37 AU - 2.61 AU

Year: 2620 Days

Day: 5.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,011,153 km

• M1: 115,041 km (0.105 R)
• M2: 545,883 km (0.117 R)
• M3: 1,265,598 km (0.07 R)
• M4: 1,756,578 km (0.045 R)
• M5: 2,552,140 km (0.098 R)
• M6: 3,037,435 km (0.059 R)
• M7: 4,569,018 km (0.044 R)
• M8: 5,303,245 km (0.064 R)
• M9: 6,698,843 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.4

Radius: 10.4

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.08 AU - 3.46 AU

Year: 3074 Days

Day: 11.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,011,153 km

• M1: 129,402 km (0.085 R)
• M2: 461,509 km (0.107 R)
• M3: 1,292,077 km (0.071 R)
• M4: 1,685,968 km (0.112 R)
• M5: 3,305,215 km (0.058 R)
• M6: 4,334,299 km (0.057 R)
• M7: 5,939,933 km (0.12 R)
• M8: 7,777,294 km (0.114 R)
• M9: 8,489,679 km (0.115 R)
• M10: 9,468,797 km (0.085 R)
• M11: 10,122,690 km (0.063 R)
• M12: 11,013,545 km (0.094 R)
• M13: 11,564,065 km (0.116 R)
• M14: 12,674,231 km (0.097 R)
• M15: 13,278,756 km (0.065 R)
• M16: 13,853,960 km (0.067 R)
• M17: 15,945,039 km (0.089 R)
• M18: 17,832,216 km (0.111 R)
• M19: 18,532,334 km (0.092 R)
• M20: 19,250,852 km (0.071 R)
• M21: 19,617,068 km (0.081 R)
• M22: 20,871,297 km (0.077 R)
• M23: 22,513,133 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.5

Radius: 12.8

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 4.03 AU - 5.95 AU

Year: 7433 Days

Day: 7.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,011,153 km

• M1: 159,322 km (0.102 R)
• M2: 706,551 km (0.097 R)
• M3: 1,173,595 km (0.09 R)
• M4: 1,579,006 km (0.099 R)
• M5: 2,361,552 km (0.087 R)
• M6: 4,537,902 km (0.071 R)
• M7: 5,360,391 km (0.086 R)
• M8: 6,344,745 km (0.055 R)
• M9: 9,545,242 km (0.076 R)
• M10: 11,084,005 km (0.102 R)
• M11: 11,763,629 km (0.101 R)
• M12: 12,887,557 km (0.046 R)
• M13: 13,313,612 km (0.095 R)
• M14: 14,648,474 km (0.111 R)
• M15: 17,648,061 km (0.116 R)
• M16: 18,240,618 km (0.071 R)
• M17: 18,914,257 km (0.101 R)
• M18: 22,002,406 km (0.095 R)
• M19: 24,265,822 km (0.1 R)
• M20: 29,525,833 km (0.118 R)
• M21: 32,863,660 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 730

Radius: 7

Gravity: 14.9 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 6.07 AU - 6.85 AU

Year: 10949 Days

Day: 21.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,011,153 km

• M1: 87,066 km (0.102 R)
• M2: 484,099 km (0.12 R)
• M3: 778,208 km (0.084 R)
• M4: 1,239,119 km (0.074 R)
• M5: 2,145,981 km (0.097 R)
• M6: 3,050,151 km (0.096 R)
• M7: 5,108,318 km (0.112 R)
• M8: 6,814,033 km (0.107 R)
• M9: 7,600,619 km (0.11 R)
• M10: 8,492,522 km (0.07 R)
• M11: 9,353,158 km (0.053 R)
• M12: 9,855,657 km (0.064 R)
• M13: 12,461,951 km (0.105 R)
• M14: 13,256,915 km (0.117 R)
• M15: 13,634,948 km (0.071 R)
• M16: 14,745,264 km (0.063 R)
• M17: 17,293,364 km (0.052 R)
• M18: 24,822,625 km (0.099 R)
• M19: 25,204,698 km (0.098 R)
• M20: 30,316,308 km (0.097 R)
• M21: 32,998,598 km (0.109 R)
• M22: 38,066,076 km (0.118 R)
• M23: 41,449,680 km (0.093 R)
• M24: 46,602,878 km (0.072 R)
• M25: 47,184,216 km (0.101 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 281 - 11,268 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit