🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.53 AU - 0.55 AU

Year: 260 Days

Day: 28.8 Hours

Environment

Temp: -125 °C

Axial Tilt: 33.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,145,524 km

• M1: 26,180 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.5

Radius: 10.9

Gravity: 7.87 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.64 AU - 0.74 AU

Year: 376 Days

Day: 10.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,145,524 km

• M1: 139,126 km (0.117 R)
• M2: 492,177 km (0.119 R)
• M3: 946,057 km (0.046 R)
• M4: 1,291,030 km (0.117 R)
• M5: 1,850,376 km (0.075 R)
• M6: 2,664,936 km (0.101 R)
• M7: 3,716,460 km (0.116 R)
• M8: 4,149,995 km (0.077 R)
• M9: 4,500,652 km (0.102 R)
• M10: 5,166,512 km (0.079 R)
• M11: 5,949,059 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.6

Radius: 12.8

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.61 AU - 0.83 AU

Year: 401 Days

Day: 6.6 Hours

Environment

Temp: -138 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,145,524 km

• M1: 159,172 km (0.088 R)
• M2: 607,816 km (0.056 R)
• M3: 1,027,588 km (0.045 R)
• M4: 1,492,837 km (0.078 R)
• M5: 2,222,875 km (0.049 R)
• M6: 2,631,127 km (0.116 R)
• M7: 3,129,887 km (0.108 R)
• M8: 3,702,697 km (0.101 R)
• M9: 4,307,222 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.5

Radius: 11.1

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.81 AU - 1.35 AU

Year: 736 Days

Day: 11.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,145,524 km

• M1: 138,079 km (0.114 R)
• M2: 517,010 km (0.064 R)
• M3: 905,366 km (0.091 R)
• M4: 1,354,310 km (0.112 R)
• M5: 2,005,060 km (0.08 R)
• M6: 2,372,323 km (0.093 R)
• M7: 2,889,483 km (0.112 R)
• M8: 3,258,092 km (0.112 R)
• M9: 3,616,678 km (0.094 R)
• M10: 4,106,013 km (0.111 R)
• M11: 6,038,817 km (0.092 R)
• M12: 7,609,744 km (0.086 R)
• M13: 8,029,965 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.8

Radius: 10.5

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.94 AU - 2.14 AU

Year: 1911 Days

Day: 8.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,145,524 km

• M1: 131,197 km (0.07 R)
• M2: 626,366 km (0.111 R)
• M3: 1,095,356 km (0.081 R)
• M4: 1,694,645 km (0.085 R)
• M5: 2,115,463 km (0.109 R)
• M6: 2,553,336 km (0.03 R)
• M7: 3,007,366 km (0.118 R)
• M8: 3,355,181 km (0.111 R)
• M9: 3,989,476 km (0.113 R)
• M10: 4,741,804 km (0.064 R)
• M11: 5,366,076 km (0.1 R)
• M12: 5,950,555 km (0.086 R)
• M13: 7,167,384 km (0.052 R)
• M14: 8,104,465 km (0.082 R)
• M15: 8,753,121 km (0.076 R)
• M16: 10,768,204 km (0.071 R)
• M17: 11,370,934 km (0.026 R)
• M18: 13,035,510 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.4

Radius: 10.8

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.68 AU - 2.72 AU

Year: 2141 Days

Day: 11.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,145,524 km

• M1: 134,339 km (0.071 R)
• M2: 509,530 km (0.068 R)
• M3: 927,058 km (0.108 R)
• M4: 1,525,749 km (0.069 R)
• M5: 1,867,879 km (0.053 R)
• M6: 2,261,770 km (0.114 R)
• M7: 2,607,940 km (0.108 R)
• M8: 3,136,469 km (0.11 R)
• M9: 3,735,309 km (0.06 R)
• M10: 4,346,267 km (0.034 R)
• M11: 5,279,159 km (0.064 R)
• M12: 5,869,472 km (0.104 R)
• M13: 6,724,424 km (0.086 R)
• M14: 7,478,547 km (0.109 R)
• M15: 8,191,830 km (0.09 R)
• M16: 9,468,947 km (0.085 R)
• M17: 10,303,853 km (0.104 R)
• M18: 11,546,113 km (0.071 R)
• M19: 14,140,589 km (0.079 R)
• M20: 15,037,428 km (0.057 R)
• M21: 15,573,737 km (0.063 R)
• M22: 16,839,933 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.6

Radius: 8.5

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.99 AU - 4.25 AU

Year: 4518 Days

Day: 7.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,145,524 km

• M1: 130,599 km (0.108 R)
• M2: 462,557 km (0.102 R)
• M3: 789,727 km (0.117 R)
• M4: 1,417,440 km (0.11 R)
• M5: 2,702,186 km (0.096 R)
• M6: 3,157,712 km (0.092 R)
• M7: 3,478,150 km (0.117 R)
• M8: 3,873,538 km (0.033 R)
• M9: 4,754,669 km (0.059 R)
• M10: 5,220,517 km (0.098 R)
• M11: 7,176,060 km (0.099 R)
• M12: 8,109,551 km (0.11 R)
• M13: 8,590,209 km (0.105 R)
• M14: 11,807,461 km (0.111 R)
• M15: 13,599,643 km (0.061 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.7

Radius: 10.9

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 3.98 AU - 4.02 AU

Year: 5248 Days

Day: 11.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,145,524 km

• M1: 136,882 km (0.076 R)
• M2: 628,760 km (0.045 R)
• M3: 1,019,809 km (0.096 R)
• M4: 1,612,515 km (0.054 R)
• M5: 2,074,025 km (0.086 R)
• M6: 3,447,932 km (0.092 R)
• M7: 3,899,119 km (0.04 R)
• M8: 4,816,154 km (0.119 R)
• M9: 5,812,176 km (0.097 R)
• M10: 7,627,098 km (0.025 R)
• M11: 8,510,473 km (0.031 R)
• M12: 9,056,505 km (0.067 R)
• M13: 9,501,858 km (0.106 R)
• M14: 12,938,570 km (0.099 R)
• M15: 13,713,786 km (0.074 R)
• M16: 14,301,706 km (0.043 R)
• M17: 15,990,965 km (0.08 R)
• M18: 16,522,786 km (0.097 R)
• M19: 20,100,568 km (0.093 R)
• M20: 22,288,288 km (0.043 R)
• M21: 23,402,044 km (0.113 R)
• M22: 25,419,521 km (0.119 R)
• M23: 26,225,554 km (0.11 R)
• M24: 27,803,811 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 926.3

Radius: 4.6

Gravity: 43.78 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 7.11 AU - 7.77 AU

Year: 13313 Days

Day: 19.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 64,145,524 km

• M1: 58,792 km (0.067 R)
• M2: 295,905 km (0.051 R)
• M3: 685,308 km (0.097 R)
• M4: 1,236,426 km (0.059 R)
• M5: 1,494,483 km (0.115 R)
• M6: 3,022,475 km (0.094 R)
• M7: 4,314,552 km (0.109 R)
• M8: 5,046,834 km (0.118 R)
• M9: 6,054,375 km (0.049 R)
• M10: 6,377,058 km (0.106 R)
• M11: 7,012,849 km (0.042 R)
• M12: 7,783,278 km (0.096 R)
• M13: 9,384,125 km (0.101 R)
• M14: 11,072,636 km (0.04 R)
• M15: 11,312,142 km (0.118 R)
• M16: 17,576,403 km (0.058 R)
• M17: 20,837,338 km (0.1 R)
• M18: 24,581,025 km (0.101 R)
• M19: 26,664,175 km (0.067 R)
• M20: 27,094,418 km (0.084 R)
• M21: 28,079,520 km (0.064 R)
• M22: 28,524,873 km (0.084 R)
• M23: 30,704,963 km (0.067 R)
• M24: 31,775,336 km (0.044 R)
• M25: 32,502,681 km (0.083 R)
• M26: 35,264,407 km (0.104 R)
• M27: 39,693,850 km (0.112 R)
• M28: 39,973,748 km (0.112 R)
• M29: 40,537,283 km (0.054 R)
• M30: 40,820,921 km (0.104 R)
• M31: 42,405,312 km (0.115 R)
• M32: 45,085,357 km (0.075 R)
• M33: 55,352,708 km (0.104 R)
• M34: 61,118,210 km (0.037 R)
• M35: 61,865,900 km (0.105 R)
• M36: 62,619,724 km (0.078 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 218 - 19,898 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit