🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.3

Radius: 13.7

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.94 AU - 1.14 AU

Year: 696 Days

Day: 12.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,728,441 km

• M1: 170,392 km (0.102 R)
• M2: 602,730 km (0.109 R)
• M3: 1,139,637 km (0.091 R)
• M4: 1,812,229 km (0.112 R)
• M5: 2,333,727 km (0.107 R)
• M6: 2,992,556 km (0.026 R)
• M7: 3,802,179 km (0.082 R)
• M8: 5,897,746 km (0.08 R)
• M9: 6,387,380 km (0.093 R)
• M10: 7,425,141 km (0.086 R)
• M11: 8,546,975 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.8

Radius: 9.9

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1 AU - 1.58 AU

Year: 961 Days

Day: 8.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,728,441 km

• M1: 125,213 km (0.047 R)
• M2: 587,770 km (0.066 R)
• M3: 963,709 km (0.052 R)
• M4: 1,331,720 km (0.089 R)
• M5: 1,663,080 km (0.107 R)
• M6: 2,134,612 km (0.055 R)
• M7: 2,561,415 km (0.046 R)
• M8: 2,984,029 km (0.113 R)
• M9: 4,029,419 km (0.096 R)
• M10: 5,021,851 km (0.034 R)
• M11: 6,051,383 km (0.087 R)
• M12: 6,554,032 km (0.057 R)
• M13: 7,171,872 km (0.115 R)
• M14: 7,804,820 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.3

Radius: 13.6

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.96 AU - 2.08 AU

Year: 1883 Days

Day: 11.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,728,441 km

• M1: 170,093 km (0.102 R)
• M2: 626,366 km (0.088 R)
• M3: 1,466,358 km (0.054 R)
• M4: 2,010,446 km (0.117 R)
• M5: 2,433,808 km (0.086 R)
• M6: 2,917,757 km (0.103 R)
• M7: 3,756,702 km (0.052 R)
• M8: 4,252,768 km (0.086 R)
• M9: 4,897,535 km (0.099 R)
• M10: 6,158,047 km (0.095 R)
• M11: 7,121,158 km (0.098 R)
• M12: 8,242,693 km (0.114 R)
• M13: 10,124,036 km (0.057 R)
• M14: 12,002,237 km (0.11 R)
• M15: 12,962,207 km (0.029 R)
• M16: 13,672,797 km (0.119 R)
• M17: 14,321,303 km (0.084 R)
• M18: 15,309,248 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.4

Radius: 10.5

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.19 AU - 2.23 AU

Year: 2155 Days

Day: 6.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,728,441 km

• M1: 130,599 km (0.073 R)
• M2: 464,651 km (0.054 R)
• M3: 993,779 km (0.093 R)
• M4: 1,383,780 km (0.08 R)
• M5: 1,758,373 km (0.107 R)
• M6: 2,328,341 km (0.111 R)
• M7: 4,712,782 km (0.089 R)
• M8: 5,282,600 km (0.096 R)
• M9: 6,106,286 km (0.056 R)
• M10: 7,535,993 km (0.03 R)
• M11: 7,881,863 km (0.111 R)
• M12: 8,739,508 km (0.115 R)
• M13: 9,629,316 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.1

Radius: 9

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.22 AU - 2.98 AU

Year: 2750 Days

Day: 10.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,728,441 km

• M1: 147,354 km (0.09 R)
• M2: 599,738 km (0.098 R)
• M3: 896,839 km (0.106 R)
• M4: 1,208,152 km (0.055 R)
• M5: 2,802,866 km (0.086 R)
• M6: 3,467,828 km (0.091 R)
• M7: 4,105,115 km (0.093 R)
• M8: 4,539,398 km (0.106 R)
• M9: 5,004,049 km (0.101 R)
• M10: 10,071,976 km (0.108 R)
• M11: 11,076,526 km (0.115 R)
• M12: 11,658,611 km (0.039 R)
• M13: 13,650,656 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.6

Radius: 13.5

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.42 AU - 3.06 AU

Year: 2975 Days

Day: 9.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,728,441 km

• M1: 167,849 km (0.077 R)
• M2: 603,179 km (0.038 R)
• M3: 1,035,516 km (0.083 R)
• M4: 1,558,511 km (0.067 R)
• M5: 2,413,462 km (0.04 R)
• M6: 2,895,168 km (0.095 R)
• M7: 3,597,081 km (0.114 R)
• M8: 4,210,881 km (0.104 R)
• M9: 5,047,731 km (0.073 R)
• M10: 5,577,607 km (0.105 R)
• M11: 6,195,446 km (0.065 R)
• M12: 8,234,166 km (0.087 R)
• M13: 9,372,456 km (0.091 R)
• M14: 10,356,661 km (0.083 R)
• M15: 10,799,021 km (0.108 R)
• M16: 14,440,383 km (0.047 R)
• M17: 15,464,979 km (0.101 R)
• M18: 16,537,596 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.4

Radius: 10.8

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.38 AU - 5.02 AU

Year: 6684 Days

Day: 11 Hours

Environment

Temp: -223 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,728,441 km

• M1: 135,087 km (0.11 R)
• M2: 949,946 km (0.057 R)
• M3: 1,309,430 km (0.082 R)
• M4: 2,025,705 km (0.091 R)
• M5: 3,153,523 km (0.091 R)
• M6: 3,801,282 km (0.106 R)
• M7: 4,560,192 km (0.086 R)
• M8: 5,146,765 km (0.118 R)
• M9: 5,811,877 km (0.108 R)
• M10: 7,145,841 km (0.104 R)
• M11: 8,118,078 km (0.057 R)
• M12: 13,919,783 km (0.085 R)
• M13: 14,394,457 km (0.065 R)
• M14: 24,211,817 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 329.4

Radius: 6.6

Gravity: 7.56 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 6.21 AU - 7.57 AU

Year: 11864 Days

Day: 16.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 57,728,441 km

• M1: 84,972 km (0.073 R)
• M2: 315,053 km (0.12 R)
• M3: 593,156 km (0.081 R)
• M4: 1,064,688 km (0.078 R)
• M5: 1,370,167 km (0.093 R)
• M6: 1,867,580 km (0.116 R)
• M7: 2,244,417 km (0.099 R)
• M8: 2,710,265 km (0.104 R)
• M9: 3,194,064 km (0.118 R)
• M10: 5,556,215 km (0.116 R)
• M11: 6,696,150 km (0.055 R)
• M12: 7,458,651 km (0.057 R)
• M13: 9,852,516 km (0.079 R)
• M14: 11,724,135 km (0.078 R)
• M15: 18,375,555 km (0.077 R)
• M16: 18,593,669 km (0.056 R)
• M17: 19,258,183 km (0.103 R)
• M18: 20,791,561 km (0.104 R)
• M19: 21,993,729 km (0.076 R)
• M20: 24,448,182 km (0.077 R)
• M21: 27,361,899 km (0.036 R)
• M22: 29,296,050 km (0.099 R)
• M23: 29,793,463 km (0.03 R)
• M24: 34,636,844 km (0.101 R)
• M25: 38,063,233 km (0.112 R)
• M26: 38,417,780 km (0.094 R)
• M27: 38,894,100 km (0.101 R)
• M28: 39,615,760 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 223

Radius: 4.1

Gravity: 13.27 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 6.44 AU - 7.76 AU

Year: 12411 Days

Day: 21.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 57,728,441 km

• M1: 51,013 km (0.109 R)
• M2: 359,783 km (0.057 R)
• M3: 590,014 km (0.108 R)
• M4: 1,007,542 km (0.046 R)
• M5: 1,239,568 km (0.12 R)
• M6: 1,738,028 km (0.079 R)
• M7: 2,238,134 km (0.119 R)
• M8: 2,466,719 km (0.051 R)
• M9: 2,929,276 km (0.111 R)
• M10: 3,224,732 km (0.083 R)
• M11: 3,562,823 km (0.059 R)
• M12: 3,850,051 km (0.103 R)
• M13: 4,919,676 km (0.092 R)
• M14: 6,105,987 km (0.092 R)
• M15: 6,552,237 km (0.045 R)
• M16: 7,093,781 km (0.08 R)
• M17: 8,640,623 km (0.119 R)
• M18: 11,956,011 km (0.104 R)
• M19: 12,114,436 km (0.101 R)
• M20: 12,707,741 km (0.078 R)
• M21: 14,010,140 km (0.098 R)
• M22: 15,586,752 km (0.06 R)
• M23: 17,345,125 km (0.105 R)
• M24: 19,303,810 km (0.111 R)
• M25: 21,095,993 km (0.099 R)
• M26: 21,250,228 km (0.077 R)
• M27: 22,914,803 km (0.095 R)
• M28: 24,578,930 km (0.058 R)
• M29: 28,708,879 km (0.07 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 240.2

Radius: 7.8

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 10.42 AU - 10.58 AU

Year: 22320 Days

Day: 18.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 57,728,441 km

• M1: 98,884 km (0.092 R)
• M2: 395,387 km (0.069 R)
• M3: 1,193,941 km (0.11 R)
• M4: 1,546,692 km (0.093 R)
• M5: 1,830,629 km (0.099 R)
• M6: 2,244,267 km (0.051 R)
• M7: 2,632,025 km (0.109 R)
• M8: 3,702,996 km (0.042 R)
• M9: 4,186,347 km (0.094 R)
• M10: 4,521,147 km (0.101 R)
• M11: 5,107,421 km (0.05 R)
• M12: 8,294,304 km (0.109 R)
• M13: 9,374,999 km (0.101 R)
• M14: 9,633,205 km (0.087 R)
• M15: 10,770,000 km (0.101 R)
• M16: 12,421,261 km (0.115 R)
• M17: 13,502,554 km (0.088 R)
• M18: 15,346,797 km (0.108 R)
• M19: 18,138,293 km (0.098 R)
• M20: 20,205,436 km (0.069 R)
• M21: 20,636,877 km (0.075 R)
• M22: 23,073,976 km (0.092 R)
• M23: 27,762,971 km (0.111 R)
• M24: 28,945,393 km (0.091 R)
• M25: 30,385,721 km (0.1 R)
• M26: 33,049,910 km (0.104 R)
• M27: 33,528,623 km (0.116 R)
• M28: 40,180,043 km (0.114 R)
• M29: 45,709,629 km (0.103 R)
• M30: 48,578,468 km (0.076 R)
• M31: 52,858,463 km (0.057 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: 183 - 14,634 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit