🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.4

Radius: 8.9

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.58 AU - 0.8 AU

Year: 389 Days

Day: 13.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 126.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,059,587 km

• M1: 110,702 km (0.093 R)
• M2: 414,087 km (0.114 R)
• M3: 728,841 km (0.106 R)
• M4: 1,025,045 km (0.107 R)
• M5: 1,391,410 km (0.045 R)
• M6: 1,722,769 km (0.045 R)
• M7: 2,027,051 km (0.112 R)
• M8: 2,649,977 km (0.107 R)
• M9: 3,079,472 km (0.103 R)
• M10: 3,474,411 km (0.115 R)
• M11: 3,865,759 km (0.109 R)
• M12: 4,260,099 km (0.114 R)
• M13: 4,779,951 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.7

Radius: 10.5

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.73 AU - 0.83 AU

Year: 467 Days

Day: 7.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 61.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,059,587 km

• M1: 130,599 km (0.12 R)
• M2: 478,713 km (0.11 R)
• M3: 1,017,116 km (0.05 R)
• M4: 1,616,704 km (0.096 R)
• M5: 2,334,026 km (0.032 R)
• M6: 2,874,972 km (0.11 R)
• M7: 3,361,913 km (0.082 R)
• M8: 4,053,953 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.8

Radius: 14

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.92 AU - 1.14 AU

Year: 709 Days

Day: 14.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 52,059,587 km

• M1: 174,132 km (0.083 R)
• M2: 626,665 km (0.098 R)
• M3: 1,085,183 km (0.066 R)
• M4: 1,913,058 km (0.073 R)
• M5: 3,064,961 km (0.113 R)
• M6: 5,040,850 km (0.11 R)
• M7: 5,776,423 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.4

Radius: 8.1

Gravity: 9.07 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.02 AU - 1.08 AU

Year: 730 Days

Day: 8.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,059,587 km

• M1: 101,427 km (0.059 R)
• M2: 369,058 km (0.081 R)
• M3: 940,671 km (0.102 R)
• M4: 1,315,414 km (0.075 R)
• M5: 2,430,816 km (0.118 R)
• M6: 3,481,890 km (0.109 R)
• M7: 4,246,186 km (0.074 R)
• M8: 4,742,402 km (0.108 R)
• M9: 5,205,707 km (0.097 R)
• M10: 6,404,285 km (0.069 R)
• M11: 7,941,104 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.1

Radius: 10.1

Gravity: 9.2 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.25 AU - 1.81 AU

Year: 1284 Days

Day: 13.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,059,587 km

• M1: 126,261 km (0.116 R)
• M2: 452,833 km (0.114 R)
• M3: 897,438 km (0.074 R)
• M4: 1,905,727 km (0.045 R)
• M5: 2,571,737 km (0.064 R)
• M6: 2,923,890 km (0.074 R)
• M7: 3,385,998 km (0.094 R)
• M8: 5,030,677 km (0.081 R)
• M9: 6,444,826 km (0.064 R)
• M10: 8,542,338 km (0.108 R)
• M11: 8,871,004 km (0.086 R)
• M12: 11,414,318 km (0.095 R)
• M13: 12,601,526 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.5

Radius: 12.5

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.38 AU - 3.8 AU

Year: 3684 Days

Day: 13.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,059,587 km

• M1: 155,582 km (0.113 R)
• M2: 670,198 km (0.1 R)
• M3: 1,318,556 km (0.118 R)
• M4: 1,917,396 km (0.036 R)
• M5: 2,371,575 km (0.064 R)
• M6: 3,867,255 km (0.094 R)
• M7: 5,425,466 km (0.111 R)
• M8: 6,346,091 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.9

Radius: 13.2

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.5 AU - 3.98 AU

Year: 3956 Days

Day: 12.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,059,587 km

• M1: 164,109 km (0.092 R)
• M2: 709,094 km (0.036 R)
• M3: 1,125,874 km (0.098 R)
• M4: 2,311,586 km (0.059 R)
• M5: 2,992,855 km (0.113 R)
• M6: 3,564,319 km (0.087 R)
• M7: 4,952,886 km (0.096 R)
• M8: 6,951,514 km (0.1 R)
• M9: 7,790,908 km (0.042 R)
• M10: 8,733,075 km (0.106 R)
• M11: 9,250,833 km (0.108 R)
• M12: 10,025,900 km (0.119 R)
• M13: 10,676,800 km (0.102 R)
• M14: 11,883,756 km (0.095 R)
• M15: 14,312,926 km (0.104 R)
• M16: 16,999,704 km (0.096 R)
• M17: 17,458,820 km (0.085 R)
• M18: 18,342,045 km (0.082 R)
• M19: 18,825,097 km (0.1 R)
• M20: 22,380,141 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.4

Radius: 12.7

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 4.24 AU - 5.24 AU

Year: 6999 Days

Day: 6.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,059,587 km

• M1: 157,975 km (0.109 R)
• M2: 812,017 km (0.094 R)
• M3: 1,362,388 km (0.108 R)
• M4: 1,985,912 km (0.103 R)
• M5: 2,496,938 km (0.09 R)
• M6: 3,462,892 km (0.115 R)
• M7: 5,670,358 km (0.043 R)
• M8: 6,997,889 km (0.12 R)
• M9: 7,407,339 km (0.073 R)
• M10: 8,234,016 km (0.045 R)
• M11: 8,691,038 km (0.066 R)
• M12: 10,497,881 km (0.057 R)
• M13: 12,167,543 km (0.118 R)
• M14: 13,833,315 km (0.101 R)
• M15: 16,027,317 km (0.107 R)
• M16: 16,479,402 km (0.102 R)
• M17: 17,274,365 km (0.08 R)
• M18: 18,303,898 km (0.099 R)
• M19: 19,666,136 km (0.05 R)
• M20: 23,989,814 km (0.1 R)
• M21: 24,496,951 km (0.085 R)
• M22: 29,774,015 km (0.068 R)
• M23: 30,359,841 km (0.116 R)
• M24: 31,857,914 km (0.105 R)
• M25: 37,547,121 km (0.09 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.7

Radius: 8.7

Gravity: 7.99 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 4.1 AU - 6.26 AU

Year: 7996 Days

Day: 6.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,059,587 km

• M1: 110,553 km (0.12 R)
• M2: 438,621 km (0.099 R)
• M3: 740,360 km (0.118 R)
• M4: 1,061,696 km (0.099 R)
• M5: 2,029,146 km (0.1 R)
• M6: 3,589,451 km (0.116 R)
• M7: 6,398,151 km (0.075 R)
• M8: 6,789,051 km (0.078 R)
• M9: 7,385,796 km (0.101 R)
• M10: 7,736,603 km (0.061 R)
• M11: 8,943,410 km (0.118 R)
• M12: 9,569,028 km (0.097 R)
• M13: 10,223,369 km (0.083 R)
• M14: 10,708,814 km (0.106 R)
• M15: 11,414,168 km (0.12 R)
• M16: 12,096,633 km (0.052 R)
• M17: 13,484,902 km (0.081 R)
• M18: 14,069,081 km (0.095 R)
• M19: 14,669,866 km (0.106 R)
• M20: 21,336,995 km (0.08 R)
• M21: 28,430,028 km (0.041 R)
• M22: 32,503,429 km (0.076 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 402

Radius: 5.2

Gravity: 14.87 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 7.37 AU - 8.23 AU

Year: 14775 Days

Day: 21.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 52,059,587 km

• M1: 64,925 km (0.117 R)
• M2: 486,941 km (0.066 R)
• M3: 664,813 km (0.114 R)
• M4: 1,628,672 km (0.103 R)
• M5: 1,800,560 km (0.074 R)
• M6: 2,850,737 km (0.071 R)
• M7: 3,125,249 km (0.096 R)
• M8: 3,318,081 km (0.087 R)
• M9: 3,916,921 km (0.102 R)
• M10: 4,403,862 km (0.11 R)
• M11: 4,866,120 km (0.06 R)
• M12: 8,026,674 km (0.098 R)
• M13: 8,206,640 km (0.051 R)
• M14: 9,195,781 km (0.09 R)
• M15: 9,392,802 km (0.083 R)
• M16: 9,643,228 km (0.118 R)
• M17: 10,743,371 km (0.098 R)
• M18: 10,907,031 km (0.056 R)
• M19: 12,819,790 km (0.11 R)
• M20: 13,822,993 km (0.102 R)
• M21: 14,016,722 km (0.059 R)
• M22: 14,877,508 km (0.119 R)
• M23: 16,997,310 km (0.089 R)
• M24: 17,369,210 km (0.079 R)
• M25: 18,361,493 km (0.034 R)
• M26: 18,911,116 km (0.12 R)
• M27: 19,390,876 km (0.074 R)
• M28: 20,542,032 km (0.062 R)
• M29: 22,441,625 km (0.071 R)
• M30: 24,549,609 km (0.065 R)
• M31: 25,505,988 km (0.119 R)
• M32: 31,547,349 km (0.087 R)
• M33: 33,136,377 km (0.117 R)
• M34: 38,222,256 km (0.074 R)
• M35: 41,349,749 km (0.057 R)
• M36: 41,617,828 km (0.112 R)
• M37: 43,250,839 km (0.106 R)
• M38: 45,067,406 km (0.11 R)
• M39: 47,519,016 km (0.105 R)
• M40: 49,001,830 km (0.111 R)
• M41: 49,603,512 km (0.091 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 385 - 11,690 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit