🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.5

Radius: 14.7

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.74 AU - 0.92 AU

Year: 488 Days

Day: 5.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,016,857 km

• M1: 182,809 km (0.045 R)
• M2: 733,329 km (0.108 R)
• M3: 1,316,760 km (0.059 R)
• M4: 2,180,090 km (0.101 R)
• M5: 3,133,178 km (0.117 R)
• M6: 3,961,052 km (0.118 R)
• M7: 4,763,645 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.7

Radius: 10.9

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.91 AU - 1.51 AU

Year: 859 Days

Day: 6.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,016,857 km

• M1: 135,685 km (0.106 R)
• M2: 914,043 km (0.111 R)
• M3: 1,505,553 km (0.092 R)
• M4: 2,817,377 km (0.085 R)
• M5: 4,287,774 km (0.044 R)
• M6: 5,209,297 km (0.044 R)
• M7: 5,550,829 km (0.117 R)
• M8: 9,310,223 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.1

Radius: 11

Gravity: 7.67 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.11 AU - 1.37 AU

Year: 892 Days

Day: 7.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,016,857 km

• M1: 137,480 km (0.093 R)
• M2: 780,751 km (0.079 R)
• M3: 1,292,376 km (0.118 R)
• M4: 1,875,209 km (0.095 R)
• M5: 2,496,788 km (0.106 R)
• M6: 3,659,463 km (0.116 R)
• M7: 5,426,364 km (0.066 R)
• M8: 5,939,933 km (0.066 R)
• M9: 6,553,434 km (0.095 R)
• M10: 8,140,967 km (0.061 R)
• M11: 9,850,870 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506

Radius: 10.3

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.73 AU - 1.85 AU

Year: 1546 Days

Day: 14.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,016,857 km

• M1: 128,505 km (0.119 R)
• M2: 478,564 km (0.113 R)
• M3: 827,725 km (0.103 R)
• M4: 1,546,393 km (0.045 R)
• M5: 2,161,240 km (0.066 R)
• M6: 2,678,400 km (0.111 R)
• M7: 3,001,980 km (0.086 R)
• M8: 3,351,740 km (0.1 R)
• M9: 4,347,613 km (0.052 R)
• M10: 4,816,752 km (0.119 R)
• M11: 5,680,979 km (0.107 R)
• M12: 6,406,379 km (0.118 R)
• M13: 7,582,368 km (0.053 R)
• M14: 8,207,837 km (0.12 R)
• M15: 8,720,957 km (0.056 R)
• M16: 10,194,646 km (0.12 R)
• M17: 11,093,131 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.1

Radius: 10.8

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.74 AU - 2.28 AU

Year: 1840 Days

Day: 12.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,016,857 km

• M1: 136,882 km (0.116 R)
• M2: 506,987 km (0.049 R)
• M3: 948,301 km (0.062 R)
• M4: 1,359,695 km (0.076 R)
• M5: 1,702,573 km (0.119 R)
• M6: 2,228,559 km (0.119 R)
• M7: 3,145,445 km (0.106 R)
• M8: 4,188,591 km (0.075 R)
• M9: 4,849,514 km (0.109 R)
• M10: 6,166,125 km (0.076 R)
• M11: 7,176,359 km (0.087 R)
• M12: 8,322,130 km (0.088 R)
• M13: 8,789,324 km (0.117 R)
• M14: 9,649,212 km (0.091 R)
• M15: 10,197,937 km (0.102 R)
• M16: 12,154,378 km (0.086 R)
• M17: 13,064,980 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.4

Radius: 11.9

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.15 AU - 3.31 AU

Year: 2912 Days

Day: 6.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 71,016,857 km

• M1: 148,700 km (0.041 R)
• M2: 583,432 km (0.114 R)
• M3: 1,081,593 km (0.07 R)
• M4: 2,819,920 km (0.11 R)
• M5: 3,326,309 km (0.066 R)
• M6: 3,770,614 km (0.108 R)
• M7: 4,342,677 km (0.06 R)
• M8: 4,803,288 km (0.066 R)
• M9: 5,634,753 km (0.118 R)
• M10: 6,619,107 km (0.103 R)
• M11: 7,294,392 km (0.102 R)
• M12: 7,681,851 km (0.058 R)
• M13: 8,427,895 km (0.104 R)
• M14: 8,854,848 km (0.116 R)
• M15: 10,874,868 km (0.046 R)
• M16: 11,510,659 km (0.103 R)
• M17: 12,763,840 km (0.113 R)
• M18: 15,120,605 km (0.102 R)
• M19: 15,699,100 km (0.085 R)
• M20: 16,956,470 km (0.08 R)
• M21: 17,638,636 km (0.057 R)
• M22: 20,424,148 km (0.104 R)
• M23: 20,807,867 km (0.087 R)
• M24: 21,458,169 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.4

Radius: 10.2

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.78 AU - 5.66 AU

Year: 6621 Days

Day: 11.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 71,016,857 km

• M1: 127,009 km (0.102 R)
• M2: 559,197 km (0.062 R)
• M3: 1,129,165 km (0.088 R)
• M4: 1,573,620 km (0.079 R)
• M5: 2,402,243 km (0.112 R)
• M6: 2,933,614 km (0.044 R)
• M7: 3,309,554 km (0.102 R)
• M8: 4,714,128 km (0.1 R)
• M9: 5,432,796 km (0.06 R)
• M10: 5,910,462 km (0.107 R)
• M11: 6,286,851 km (0.115 R)
• M12: 7,227,821 km (0.094 R)
• M13: 8,415,179 km (0.117 R)
• M14: 9,303,940 km (0.114 R)
• M15: 9,814,518 km (0.09 R)
• M16: 11,652,328 km (0.112 R)
• M17: 11,996,104 km (0.118 R)
• M18: 13,708,999 km (0.103 R)
• M19: 14,037,217 km (0.071 R)
• M20: 16,606,560 km (0.06 R)
• M21: 16,979,658 km (0.111 R)
• M22: 17,872,009 km (0.084 R)
• M23: 20,310,155 km (0.118 R)
• M24: 20,737,107 km (0.11 R)
• M25: 23,192,906 km (0.082 R)
• M26: 29,122,217 km (0.042 R)
• M27: 31,240,823 km (0.105 R)
• M28: 32,193,312 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.2

Radius: 10.9

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 4.2 AU - 5.64 AU

Year: 7046 Days

Day: 13.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 71,016,857 km

• M1: 135,536 km (0.102 R)
• M2: 547,678 km (0.083 R)
• M3: 1,289,085 km (0.111 R)
• M4: 1,990,848 km (0.081 R)
• M5: 2,910,875 km (0.081 R)
• M6: 4,551,964 km (0.077 R)
• M7: 4,954,831 km (0.099 R)
• M8: 5,444,615 km (0.064 R)
• M9: 6,379,601 km (0.048 R)
• M10: 8,184,948 km (0.112 R)
• M11: 10,603,946 km (0.094 R)
• M12: 11,842,467 km (0.083 R)
• M13: 13,003,047 km (0.102 R)
• M14: 13,464,706 km (0.105 R)
• M15: 14,359,600 km (0.117 R)
• M16: 15,230,260 km (0.102 R)
• M17: 15,743,381 km (0.059 R)
• M18: 16,400,863 km (0.079 R)
• M19: 22,255,825 km (0.057 R)
• M20: 24,452,221 km (0.087 R)
• M21: 26,696,937 km (0.095 R)
• M22: 30,873,410 km (0.102 R)
• M23: 35,690,462 km (0.108 R)
• M24: 37,983,647 km (0.065 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220

Radius: 10.1

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 5.19 AU - 6.67 AU

Year: 9324 Days

Day: 8.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 71,016,857 km

• M1: 125,662 km (0.114 R)
• M2: 457,919 km (0.079 R)
• M3: 818,001 km (0.085 R)
• M4: 1,216,679 km (0.08 R)
• M5: 1,557,314 km (0.062 R)
• M6: 2,931,221 km (0.034 R)
• M7: 3,533,502 km (0.093 R)
• M8: 4,797,305 km (0.095 R)
• M9: 6,865,495 km (0.1 R)
• M10: 7,313,092 km (0.11 R)
• M11: 9,260,407 km (0.068 R)
• M12: 9,980,272 km (0.098 R)
• M13: 10,600,505 km (0.1 R)
• M14: 10,966,422 km (0.09 R)
• M15: 11,531,153 km (0.03 R)
• M16: 12,872,598 km (0.108 R)
• M17: 16,221,645 km (0.091 R)
• M18: 16,585,617 km (0.082 R)
• M19: 17,079,439 km (0.092 R)
• M20: 17,582,986 km (0.064 R)
• M21: 17,902,676 km (0.086 R)
• M22: 18,951,956 km (0.096 R)
• M23: 21,607,916 km (0.061 R)
• M24: 22,197,033 km (0.09 R)
• M25: 22,721,373 km (0.041 R)
• M26: 23,177,348 km (0.086 R)
• M27: 25,712,882 km (0.047 R)
• M28: 27,645,986 km (0.096 R)
• M29: 27,991,706 km (0.067 R)
• M30: 29,583,727 km (0.102 R)
• M31: 29,945,455 km (0.063 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 834.3

Radius: 3.8

Gravity: 57.78 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 7.92 AU - 9.32 AU

Year: 16341 Days

Day: 24.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 71,016,857 km

• M1: 47,572 km (0.078 R)
• M2: 169,943 km (0.039 R)
• M3: 321,935 km (0.079 R)
• M4: 623,524 km (0.095 R)
• M5: 1,428,660 km (0.08 R)
• M6: 1,672,953 km (0.065 R)
• M7: 1,944,324 km (0.045 R)
• M8: 2,372,772 km (0.093 R)
• M9: 2,551,541 km (0.104 R)
• M10: 3,330,946 km (0.086 R)
• M11: 3,700,752 km (0.066 R)
• M12: 7,847,007 km (0.047 R)
• M13: 10,914,810 km (0.116 R)
• M14: 13,121,229 km (0.091 R)
• M15: 13,329,170 km (0.047 R)
• M16: 14,996,588 km (0.056 R)
• M17: 15,453,460 km (0.072 R)
• M18: 16,155,972 km (0.076 R)
• M19: 17,043,237 km (0.082 R)
• M20: 18,218,926 km (0.116 R)
• M21: 19,899,359 km (0.088 R)
• M22: 20,917,971 km (0.045 R)
• M23: 23,974,854 km (0.029 R)
• M24: 30,833,767 km (0.111 R)
• M25: 35,706,618 km (0.03 R)
• M26: 39,608,729 km (0.091 R)
• M27: 43,171,552 km (0.088 R)
• M28: 51,268,387 km (0.063 R)
• M29: 51,439,976 km (0.084 R)
• M30: 54,058,537 km (0.114 R)
• M31: 55,852,814 km (0.107 R)
• M32: 58,057,886 km (0.095 R)
• M33: 70,168,582 km (0.076 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 16,861 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit