🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.75 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.2

Radius: 14.3

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.29 AU - 1.71 AU

Year: 1186 Days

Day: 14.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,020,824 km

• M1: 178,021 km (0.114 R)
• M2: 634,594 km (0.111 R)
• M3: 1,165,068 km (0.062 R)
• M4: 1,638,845 km (0.078 R)
• M5: 2,233,047 km (0.114 R)
• M6: 2,823,361 km (0.057 R)
• M7: 3,366,850 km (0.091 R)
• M8: 3,831,949 km (0.12 R)
• M9: 6,394,711 km (0.111 R)
• M10: 6,966,025 km (0.116 R)
• M11: 7,493,806 km (0.05 R)
• M12: 8,601,578 km (0.11 R)
• M13: 9,846,831 km (0.059 R)
• M14: 10,676,202 km (0.097 R)
• M15: 11,795,194 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.1

Radius: 9.3

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.12 AU - 3.4 AU

Year: 2961 Days

Day: 5.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,020,824 km

• M1: 116,986 km (0.11 R)
• M2: 419,323 km (0.115 R)
• M3: 1,298,360 km (0.08 R)
• M4: 1,669,811 km (0.093 R)
• M5: 2,059,215 km (0.066 R)
• M6: 2,581,610 km (0.045 R)
• M7: 3,218,598 km (0.081 R)
• M8: 4,158,073 km (0.091 R)
• M9: 4,636,337 km (0.113 R)
• M10: 4,936,730 km (0.066 R)
• M11: 5,618,746 km (0.097 R)
• M12: 6,663,388 km (0.092 R)
• M13: 8,369,402 km (0.104 R)
• M14: 9,308,877 km (0.099 R)
• M15: 10,253,887 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.2

Radius: 11

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.02 AU - 4.94 AU

Year: 5127 Days

Day: 13.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,020,824 km

• M1: 137,331 km (0.106 R)
• M2: 521,947 km (0.096 R)
• M3: 1,205,011 km (0.064 R)
• M4: 1,558,511 km (0.12 R)
• M5: 1,969,007 km (0.056 R)
• M6: 2,958,298 km (0.119 R)
• M7: 3,432,972 km (0.114 R)
• M8: 3,827,312 km (0.1 R)
• M9: 4,416,129 km (0.08 R)
• M10: 4,782,644 km (0.044 R)
• M11: 8,494,765 km (0.086 R)
• M12: 9,299,452 km (0.108 R)
• M13: 11,015,938 km (0.07 R)
• M14: 12,208,383 km (0.059 R)
• M15: 14,472,696 km (0.047 R)
• M16: 15,732,161 km (0.118 R)
• M17: 20,683,701 km (0.114 R)
• M18: 21,785,489 km (0.095 R)
• M19: 22,350,819 km (0.117 R)
• M20: 22,709,106 km (0.118 R)
• M21: 23,807,005 km (0.105 R)
• M22: 24,786,871 km (0.104 R)
• M23: 27,231,749 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.9

Radius: 9.6

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 4.08 AU - 4.6 AU

Year: 5838 Days

Day: 5.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,020,824 km

• M1: 120,875 km (0.081 R)
• M2: 670,348 km (0.11 R)
• M3: 971,638 km (0.097 R)
• M4: 2,094,819 km (0.057 R)
• M5: 2,421,690 km (0.11 R)
• M6: 2,911,025 km (0.12 R)
• M7: 4,231,077 km (0.05 R)
• M8: 5,328,377 km (0.092 R)
• M9: 6,670,569 km (0.085 R)
• M10: 7,350,192 km (0.072 R)
• M11: 8,378,229 km (0.056 R)
• M12: 8,926,804 km (0.102 R)
• M13: 9,250,983 km (0.056 R)
• M14: 9,625,127 km (0.083 R)
• M15: 10,315,072 km (0.067 R)
• M16: 13,356,247 km (0.097 R)
• M17: 15,745,774 km (0.079 R)
• M18: 16,520,990 km (0.033 R)
• M19: 19,334,328 km (0.083 R)
• M20: 24,444,292 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.6

Radius: 13.1

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 4.55 AU - 5.43 AU

Year: 7197 Days

Day: 10 Hours

Environment

Temp: -215 °C

Axial Tilt: 113 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,020,824 km

• M1: 164,258 km (0.063 R)
• M2: 1,009,337 km (0.096 R)
• M3: 2,099,307 km (0.061 R)
• M4: 3,719,601 km (0.112 R)
• M5: 4,192,630 km (0.118 R)
• M6: 5,729,898 km (0.098 R)
• M7: 7,231,411 km (0.057 R)
• M8: 8,635,986 km (0.109 R)
• M9: 11,663,548 km (0.054 R)
• M10: 12,193,573 km (0.101 R)
• M11: 12,906,407 km (0.111 R)
• M12: 21,959,023 km (0.062 R)
• M13: 23,014,884 km (0.095 R)
• M14: 24,532,106 km (0.075 R)
• M15: 25,846,772 km (0.069 R)
• M16: 28,047,058 km (0.119 R)
• M17: 31,987,466 km (0.115 R)
• M18: 32,922,452 km (0.085 R)
• M19: 37,071,998 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.1

Radius: 14.6

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 4.22 AU - 5.92 AU

Year: 7371 Days

Day: 11.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 58.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,020,824 km

• M1: 181,761 km (0.054 R)
• M2: 754,871 km (0.061 R)
• M3: 1,235,828 km (0.09 R)
• M4: 1,757,177 km (0.103 R)
• M5: 2,236,787 km (0.08 R)
• M6: 2,698,147 km (0.095 R)
• M7: 3,576,137 km (0.09 R)
• M8: 4,509,927 km (0.114 R)
• M9: 5,035,165 km (0.045 R)
• M10: 5,542,751 km (0.075 R)
• M11: 6,209,658 km (0.11 R)
• M12: 7,100,962 km (0.087 R)
• M13: 8,381,520 km (0.106 R)
• M14: 9,470,892 km (0.055 R)
• M15: 9,984,461 km (0.078 R)
• M16: 15,541,424 km (0.093 R)
• M17: 16,501,244 km (0.043 R)
• M18: 17,183,709 km (0.096 R)
• M19: 18,871,921 km (0.088 R)
• M20: 22,500,717 km (0.099 R)
• M21: 23,032,836 km (0.113 R)
• M22: 24,121,909 km (0.109 R)
• M23: 25,902,572 km (0.1 R)
• M24: 31,391,168 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 173.2

Radius: 4.1

Gravity: 10.3 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 4.98 AU - 7.28 AU

Year: 9800 Days

Day: 24.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,020,824 km

• M1: 52,658 km (0.036 R)
• M2: 195,076 km (0.115 R)
• M3: 347,665 km (0.047 R)
• M4: 546,032 km (0.048 R)
• M5: 794,215 km (0.081 R)
• M6: 1,397,843 km (0.058 R)
• M7: 1,862,942 km (0.071 R)
• M8: 2,342,703 km (0.077 R)
• M9: 4,346,117 km (0.113 R)
• M10: 6,961,088 km (0.084 R)
• M11: 8,751,027 km (0.064 R)
• M12: 10,290,389 km (0.103 R)
• M13: 12,295,748 km (0.12 R)
• M14: 17,555,909 km (0.104 R)
• M15: 18,709,607 km (0.116 R)
• M16: 20,743,390 km (0.043 R)
• M17: 23,525,013 km (0.055 R)
• M18: 24,530,909 km (0.097 R)
• M19: 24,925,249 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 278.4

Radius: 7.8

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 6.4 AU - 7.12 AU

Year: 11348 Days

Day: 22.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,020,824 km

• M1: 119,080 km (0.089 R)
• M2: 649,853 km (0.094 R)
• M3: 2,992,705 km (0.102 R)
• M4: 9,549,580 km (0.054 R)
• M5: 11,479,692 km (0.116 R)
• M6: 13,313,612 km (0.113 R)
• M7: 15,459,294 km (0.05 R)
• M8: 19,604,352 km (0.094 R)
• M9: 24,350,045 km (0.087 R)
• M10: 25,999,212 km (0.034 R)
• M11: 35,047,340 km (0.073 R)
• M12: 35,373,314 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 573

Radius: 6.3

Gravity: 14.44 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 6.5 AU - 10.84 AU

Year: 16483 Days

Day: 24.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 63,020,824 km

• M1: 115,639 km (0.069 R)
• M2: 341,083 km (0.077 R)
• M3: 566,976 km (0.107 R)
• M4: 1,171,950 km (0.095 R)
• M5: 2,239,031 km (0.028 R)
• M6: 2,685,581 km (0.054 R)
• M7: 3,371,038 km (0.099 R)
• M8: 4,259,650 km (0.105 R)
• M9: 4,708,443 km (0.111 R)
• M10: 5,968,357 km (0.109 R)
• M11: 6,824,056 km (0.094 R)
• M12: 7,852,093 km (0.084 R)
• M13: 8,427,746 km (0.039 R)
• M14: 8,776,309 km (0.066 R)
• M15: 8,979,762 km (0.065 R)
• M16: 11,072,935 km (0.088 R)
• M17: 13,742,060 km (0.112 R)
• M18: 15,593,184 km (0.062 R)
• M19: 16,655,778 km (0.084 R)
• M20: 17,204,802 km (0.118 R)
• M21: 21,853,257 km (0.098 R)
• M22: 22,133,603 km (0.12 R)
• M23: 24,263,428 km (0.114 R)
• M24: 24,664,799 km (0.081 R)
• M25: 25,480,856 km (0.083 R)
• M26: 29,604,521 km (0.081 R)
• M27: 29,947,848 km (0.073 R)
• M28: 31,229,453 km (0.089 R)
• M29: 32,063,760 km (0.073 R)
• M30: 32,547,261 km (0.095 R)
• M31: 34,403,322 km (0.111 R)
• M32: 40,674,464 km (0.118 R)
• M33: 41,956,368 km (0.106 R)
• M34: 47,980,675 km (0.072 R)
• M35: 50,380,673 km (0.118 R)
• M36: 52,859,510 km (0.11 R)
• M37: 53,873,484 km (0.087 R)
• M38: 54,385,259 km (0.105 R)
• M39: 55,940,029 km (0.112 R)
• M40: 61,336,623 km (0.088 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 19,117 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit