🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.2

Radius: 12.5

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.46 AU - 0.76 AU

Year: 323 Days

Day: 7 Hours

Environment

Temp: -151 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 69,564,507 km

• M1: 155,432 km (0.1 R)
• M2: 581,188 km (0.07 R)
• M3: 1,115,103 km (0.091 R)
• M4: 1,595,162 km (0.104 R)
• M5: 2,285,706 km (0.099 R)
• M6: 2,873,925 km (0.118 R)
• M7: 3,270,209 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.3

Radius: 10.8

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.13 AU - 1.35 AU

Year: 937 Days

Day: 11.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,564,507 km

• M1: 134,339 km (0.094 R)
• M2: 548,426 km (0.089 R)
• M3: 915,988 km (0.086 R)
• M4: 1,321,248 km (0.109 R)
• M5: 1,948,961 km (0.057 R)
• M6: 2,670,472 km (0.106 R)
• M7: 3,080,669 km (0.1 R)
• M8: 3,693,272 km (0.099 R)
• M9: 4,092,399 km (0.088 R)
• M10: 4,798,202 km (0.074 R)
• M11: 5,524,649 km (0.115 R)
• M12: 6,517,530 km (0.041 R)
• M13: 7,102,907 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.5

Radius: 11.2

Gravity: 7.26 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.45 AU - 1.71 AU

Year: 1347 Days

Day: 12.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,564,507 km

• M1: 143,913 km (0.12 R)
• M2: 559,646 km (0.098 R)
• M3: 933,940 km (0.112 R)
• M4: 1,571,825 km (0.099 R)
• M5: 1,947,166 km (0.09 R)
• M6: 2,638,308 km (0.08 R)
• M7: 3,071,095 km (0.105 R)
• M8: 3,649,590 km (0.108 R)
• M9: 5,516,571 km (0.082 R)
• M10: 6,181,234 km (0.085 R)
• M11: 8,035,051 km (0.118 R)
• M12: 9,167,058 km (0.115 R)
• M13: 9,967,856 km (0.049 R)
• M14: 10,504,463 km (0.104 R)
• M15: 11,417,609 km (0.083 R)
• M16: 11,782,478 km (0.051 R)
• M17: 13,482,059 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.8

Radius: 10.4

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.72 AU - 2.3 AU

Year: 1933 Days

Day: 6.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 169.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,564,507 km

• M1: 129,402 km (0.12 R)
• M2: 462,257 km (0.119 R)
• M3: 817,702 km (0.114 R)
• M4: 1,649,915 km (0.111 R)
• M5: 2,466,121 km (0.116 R)
• M6: 2,821,865 km (0.045 R)
• M7: 3,261,084 km (0.085 R)
• M8: 4,043,780 km (0.063 R)
• M9: 4,541,642 km (0.077 R)
• M10: 5,353,210 km (0.105 R)
• M11: 5,684,569 km (0.108 R)
• M12: 6,130,820 km (0.089 R)
• M13: 7,291,999 km (0.105 R)
• M14: 7,759,642 km (0.106 R)
• M15: 8,403,810 km (0.118 R)
• M16: 9,016,862 km (0.116 R)
• M17: 10,080,952 km (0.107 R)
• M18: 11,574,986 km (0.083 R)
• M19: 13,556,709 km (0.059 R)
• M20: 14,997,486 km (0.11 R)
• M21: 16,143,106 km (0.104 R)
• M22: 16,487,929 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.7

Radius: 14.3

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.83 AU - 2.41 AU

Year: 2094 Days

Day: 14.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,564,507 km

• M1: 178,021 km (0.1 R)
• M2: 623,674 km (0.11 R)
• M3: 1,356,404 km (0.104 R)
• M4: 1,855,762 km (0.047 R)
• M5: 2,952,613 km (0.107 R)
• M6: 3,694,918 km (0.084 R)
• M7: 5,214,084 km (0.115 R)
• M8: 5,796,170 km (0.105 R)
• M9: 6,349,981 km (0.069 R)
• M10: 7,457,603 km (0.093 R)
• M11: 7,918,664 km (0.085 R)
• M12: 8,514,512 km (0.061 R)
• M13: 11,379,910 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.2

Radius: 8.6

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.43 AU - 4.55 AU

Year: 5406 Days

Day: 10.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,564,507 km

• M1: 108,608 km (0.076 R)
• M2: 486,492 km (0.115 R)
• M3: 772,224 km (0.114 R)
• M4: 1,150,108 km (0.115 R)
• M5: 1,628,971 km (0.109 R)
• M6: 2,110,527 km (0.12 R)
• M7: 2,378,756 km (0.114 R)
• M8: 2,877,365 km (0.109 R)
• M9: 3,176,112 km (0.111 R)
• M10: 3,530,659 km (0.102 R)
• M11: 3,873,986 km (0.083 R)
• M12: 4,841,735 km (0.117 R)
• M13: 5,175,189 km (0.105 R)
• M14: 7,219,444 km (0.079 R)
• M15: 7,508,168 km (0.109 R)
• M16: 10,283,507 km (0.09 R)
• M17: 15,844,060 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.6

Radius: 12.7

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 4.94 AU - 5.42 AU

Year: 7996 Days

Day: 11.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 69,564,507 km

• M1: 157,975 km (0.096 R)
• M2: 727,494 km (0.088 R)
• M3: 1,123,779 km (0.094 R)
• M4: 2,088,386 km (0.078 R)
• M5: 2,632,923 km (0.04 R)
• M6: 3,054,639 km (0.037 R)
• M7: 3,934,574 km (0.117 R)
• M8: 6,949,270 km (0.083 R)
• M9: 7,406,890 km (0.104 R)
• M10: 8,990,982 km (0.086 R)
• M11: 10,393,162 km (0.106 R)
• M12: 13,046,729 km (0.107 R)
• M13: 14,104,087 km (0.08 R)
• M14: 15,028,004 km (0.117 R)
• M15: 17,133,743 km (0.062 R)
• M16: 17,971,791 km (0.111 R)
• M17: 19,957,553 km (0.1 R)
• M18: 20,728,879 km (0.099 R)
• M19: 22,827,588 km (0.073 R)
• M20: 28,882,711 km (0.107 R)
• M21: 29,472,277 km (0.103 R)
• M22: 30,371,509 km (0.077 R)
• M23: 33,826,323 km (0.116 R)
• M24: 34,591,516 km (0.075 R)
• M25: 35,704,673 km (0.095 R)
• M26: 36,156,459 km (0.116 R)
• M27: 40,152,816 km (0.031 R)
• M28: 41,258,046 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 192.2

Radius: 6.2

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 5.65 AU - 8.79 AU

Year: 13158 Days

Day: 17.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,564,507 km

• M1: 77,043 km (0.081 R)
• M2: 296,353 km (0.119 R)
• M3: 956,828 km (0.097 R)
• M4: 1,344,286 km (0.093 R)
• M5: 1,555,070 km (0.112 R)
• M6: 1,890,618 km (0.09 R)
• M7: 3,458,254 km (0.071 R)
• M8: 3,809,360 km (0.12 R)
• M9: 5,094,705 km (0.114 R)
• M10: 8,118,527 km (0.068 R)
• M11: 9,659,983 km (0.117 R)
• M12: 11,135,617 km (0.034 R)
• M13: 12,163,653 km (0.089 R)
• M14: 14,765,759 km (0.085 R)
• M15: 16,324,868 km (0.118 R)
• M16: 18,617,156 km (0.114 R)
• M17: 30,617,448 km (0.104 R)
• M18: 31,710,410 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 642.6

Radius: 5.4

Gravity: 22.04 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 7.97 AU - 11.01 AU

Year: 19829 Days

Day: 23.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 69,564,507 km

• M1: 67,169 km (0.104 R)
• M2: 302,188 km (0.109 R)
• M3: 833,709 km (0.116 R)
• M4: 1,115,851 km (0.091 R)
• M5: 1,605,933 km (0.053 R)
• M6: 2,005,659 km (0.108 R)
• M7: 2,678,101 km (0.033 R)
• M8: 2,975,352 km (0.087 R)
• M9: 3,158,609 km (0.114 R)
• M10: 5,432,497 km (0.09 R)
• M11: 5,991,096 km (0.037 R)
• M12: 7,316,233 km (0.103 R)
• M13: 7,847,755 km (0.052 R)
• M14: 10,470,953 km (0.078 R)
• M15: 11,145,341 km (0.095 R)
• M16: 13,200,965 km (0.05 R)
• M17: 13,412,496 km (0.112 R)
• M18: 13,626,122 km (0.1 R)
• M19: 17,194,480 km (0.093 R)
• M20: 18,923,233 km (0.061 R)
• M21: 19,737,644 km (0.11 R)
• M22: 22,221,567 km (0.111 R)
• M23: 24,163,347 km (0.116 R)
• M24: 27,113,118 km (0.101 R)
• M25: 29,088,408 km (0.108 R)
• M26: 31,532,838 km (0.056 R)
• M27: 32,419,654 km (0.077 R)
• M28: 32,676,065 km (0.09 R)
• M29: 32,933,971 km (0.045 R)
• M30: 37,104,909 km (0.12 R)
• M31: 42,527,832 km (0.059 R)
• M32: 51,181,172 km (0.099 R)
• M33: 63,706,403 km (0.074 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 434

Radius: 3.7

Gravity: 31.7 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 8.18 AU - 12.14 AU

Year: 21965 Days

Day: 20.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 69,564,507 km

• M1: 47,423 km (0.036 R)
• M2: 249,230 km (0.115 R)
• M3: 545,733 km (0.069 R)
• M4: 2,324,003 km (0.034 R)
• M5: 2,659,551 km (0.083 R)
• M6: 3,454,364 km (0.063 R)
• M7: 3,741,443 km (0.111 R)
• M8: 5,611,865 km (0.078 R)
• M9: 5,927,666 km (0.07 R)
• M10: 9,322,042 km (0.113 R)
• M11: 9,764,552 km (0.107 R)
• M12: 13,331,265 km (0.083 R)
• M13: 13,539,804 km (0.107 R)
• M14: 16,614,190 km (0.114 R)
• M15: 21,048,420 km (0.114 R)
• M16: 22,784,354 km (0.081 R)
• M17: 26,868,226 km (0.036 R)
• M18: 32,783,027 km (0.087 R)
• M19: 35,373,165 km (0.091 R)
• M20: 37,957,169 km (0.055 R)
• M21: 40,083,852 km (0.077 R)
• M22: 48,396,557 km (0.059 R)
• M23: 51,916,744 km (0.047 R)
• M24: 58,341,524 km (0.114 R)
• M25: 69,564,506 km (0.118 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 314 - 11,932 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit