🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.8

Radius: 10.4

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.41 AU - 0.65 AU

Year: 262 Days

Day: 7 Hours

Environment

Temp: -151 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 85,744,414 km

• M1: 129,402 km (0.103 R)
• M2: 463,454 km (0.117 R)
• M3: 795,262 km (0.094 R)
• M4: 1,198,877 km (0.06 R)
• M5: 1,678,638 km (0.094 R)
• M6: 2,436,949 km (0.084 R)
• M7: 2,969,069 km (0.055 R)
• M8: 3,554,595 km (0.054 R)
• M9: 4,279,397 km (0.092 R)
• M10: 4,609,410 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.6

Radius: 11.4

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.43 AU - 0.71 AU

Year: 292 Days

Day: 6.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,744,414 km

• M1: 141,819 km (0.055 R)
• M2: 502,499 km (0.047 R)
• M3: 877,392 km (0.025 R)
• M4: 1,322,894 km (0.11 R)
• M5: 1,722,619 km (0.098 R)
• M6: 2,277,179 km (0.119 R)
• M7: 2,735,846 km (0.083 R)
• M8: 3,192,718 km (0.078 R)
• M9: 3,688,635 km (0.092 R)
• M10: 4,059,787 km (0.109 R)
• M11: 4,455,922 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.4

Radius: 14.5

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.75 AU - 1.11 AU

Year: 608 Days

Day: 12.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 85,744,414 km

• M1: 180,265 km (0.101 R)
• M2: 690,843 km (0.091 R)
• M3: 1,190,949 km (0.1 R)
• M4: 1,663,229 km (0.11 R)
• M5: 2,362,300 km (0.106 R)
• M6: 2,995,847 km (0.032 R)
• M7: 3,783,181 km (0.094 R)
• M8: 4,705,152 km (0.057 R)
• M9: 5,405,869 km (0.103 R)
• M10: 6,454,550 km (0.119 R)
• M11: 6,995,645 km (0.062 R)
• M12: 7,454,611 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.4

Radius: 14.1

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.19 AU - 1.19 AU

Year: 880 Days

Day: 13.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 85,744,414 km

• M1: 178,620 km (0.073 R)
• M2: 693,536 km (0.084 R)
• M3: 1,768,845 km (0.11 R)
• M4: 2,305,303 km (0.042 R)
• M5: 4,009,522 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.8

Radius: 14.9

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.77 AU - 1.87 AU

Year: 1665 Days

Day: 9.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 161.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 85,744,414 km

• M1: 190,438 km (0.068 R)
• M2: 702,661 km (0.039 R)
• M3: 1,300,903 km (0.106 R)
• M4: 2,289,595 km (0.05 R)
• M5: 2,763,372 km (0.098 R)
• M6: 3,616,678 km (0.12 R)
• M7: 4,579,789 km (0.072 R)
• M8: 5,638,194 km (0.061 R)
• M9: 6,114,813 km (0.063 R)
• M10: 8,420,415 km (0.081 R)
• M11: 9,336,852 km (0.052 R)
• M12: 10,745,166 km (0.028 R)
• M13: 11,257,240 km (0.101 R)
• M14: 12,609,156 km (0.115 R)
• M15: 14,371,568 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.6

Radius: 13

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.26 AU - 2.32 AU

Year: 2350 Days

Day: 5.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 85,744,414 km

• M1: 164,857 km (0.119 R)
• M2: 677,379 km (0.073 R)
• M3: 1,109,567 km (0.037 R)
• M4: 1,982,920 km (0.059 R)
• M5: 2,391,920 km (0.11 R)
• M6: 2,958,298 km (0.1 R)
• M7: 3,465,135 km (0.079 R)
• M8: 4,138,924 km (0.097 R)
• M9: 4,615,842 km (0.107 R)
• M10: 5,044,590 km (0.063 R)
• M11: 5,842,096 km (0.096 R)
• M12: 6,345,194 km (0.11 R)
• M13: 7,221,089 km (0.095 R)
• M14: 8,001,841 km (0.065 R)
• M15: 8,532,763 km (0.058 R)
• M16: 9,055,907 km (0.114 R)
• M17: 9,567,681 km (0.115 R)
• M18: 11,329,196 km (0.025 R)
• M19: 13,095,498 km (0.079 R)
• M20: 14,299,612 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.2

Radius: 13.4

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.05 AU - 3.31 AU

Year: 3846 Days

Day: 12.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,744,414 km

• M1: 168,447 km (0.119 R)
• M2: 618,587 km (0.058 R)
• M3: 1,226,254 km (0.045 R)
• M4: 2,462,381 km (0.114 R)
• M5: 3,493,559 km (0.088 R)
• M6: 4,610,606 km (0.078 R)
• M7: 5,203,014 km (0.057 R)
• M8: 7,415,866 km (0.083 R)
• M9: 10,354,566 km (0.112 R)
• M10: 14,635,010 km (0.1 R)
• M11: 19,303,511 km (0.12 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.2

Radius: 13.6

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 3.63 AU - 4.11 AU

Year: 5164 Days

Day: 10 Hours

Environment

Temp: -224 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 85,744,414 km

• M1: 169,195 km (0.118 R)
• M2: 688,449 km (0.036 R)
• M3: 1,188,106 km (0.105 R)
• M4: 1,695,243 km (0.105 R)
• M5: 2,503,670 km (0.104 R)
• M6: 3,107,746 km (0.03 R)
• M7: 5,721,819 km (0.099 R)
• M8: 7,301,423 km (0.099 R)
• M9: 8,174,626 km (0.117 R)
• M10: 9,038,404 km (0.032 R)
• M11: 9,552,871 km (0.097 R)
• M12: 10,297,719 km (0.117 R)
• M13: 10,903,590 km (0.11 R)
• M14: 11,579,025 km (0.05 R)
• M15: 12,139,269 km (0.1 R)
• M16: 12,914,485 km (0.065 R)
• M17: 13,364,924 km (0.098 R)
• M18: 14,671,362 km (0.092 R)
• M19: 18,402,483 km (0.066 R)
• M20: 21,169,445 km (0.074 R)
• M21: 22,580,003 km (0.043 R)
• M22: 23,234,793 km (0.094 R)
• M23: 26,539,859 km (0.077 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 991.6

Radius: 3

Gravity: 110.18 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 6.73 AU - 10.75 AU

Year: 17525 Days

Day: 15.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 85,744,414 km

• M1: 37,848 km (0.072 R)
• M2: 239,805 km (0.117 R)
• M3: 552,465 km (0.083 R)
• M4: 946,655 km (0.092 R)
• M5: 2,316,822 km (0.066 R)
• M6: 2,618,711 km (0.117 R)
• M7: 3,052,395 km (0.118 R)
• M8: 3,561,776 km (0.081 R)
• M9: 3,868,152 km (0.086 R)
• M10: 4,092,848 km (0.046 R)
• M11: 4,258,603 km (0.067 R)
• M12: 4,710,388 km (0.115 R)
• M13: 4,966,649 km (0.111 R)
• M14: 5,506,698 km (0.099 R)
• M15: 6,702,433 km (0.044 R)
• M16: 6,840,063 km (0.108 R)
• M17: 8,914,088 km (0.114 R)
• M18: 11,633,478 km (0.058 R)
• M19: 12,033,354 km (0.051 R)
• M20: 13,651,105 km (0.115 R)
• M21: 15,328,845 km (0.114 R)
• M22: 15,567,753 km (0.06 R)
• M23: 16,299,436 km (0.095 R)
• M24: 21,473,129 km (0.066 R)
• M25: 26,142,976 km (0.068 R)
• M26: 28,712,768 km (0.112 R)
• M27: 29,075,693 km (0.094 R)
• M28: 29,441,759 km (0.095 R)
• M29: 31,574,127 km (0.092 R)
• M30: 33,139,818 km (0.085 R)
• M31: 50,671,940 km (0.088 R)
• M32: 51,201,816 km (0.032 R)
• M33: 52,633,019 km (0.067 R)
• M34: 53,906,845 km (0.083 R)
• M35: 62,996,561 km (0.107 R)
• M36: 69,301,962 km (0.094 R)
• M37: 69,954,807 km (0.119 R)
• M38: 75,554,554 km (0.056 R)
• M39: 76,015,016 km (0.061 R)
• M40: 76,245,996 km (0.141 R)
• M41: 78,110,284 km (0.066 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 900.1

Radius: 4

Gravity: 56.26 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 8.08 AU - 11.56 AU

Year: 20872 Days

Day: 20.2 Hours

Environment

Temp: -243 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 85,744,414 km

• M1: 49,816 km (0.115 R)
• M2: 197,768 km (0.112 R)
• M3: 327,619 km (0.066 R)
• M4: 533,017 km (0.09 R)
• M5: 1,105,977 km (0.101 R)
• M6: 1,590,973 km (0.118 R)
• M7: 1,755,232 km (0.12 R)
• M8: 3,018,735 km (0.077 R)
• M9: 3,388,242 km (0.112 R)
• M10: 4,605,071 km (0.082 R)
• M11: 4,826,626 km (0.098 R)
• M12: 5,411,703 km (0.115 R)
• M13: 5,999,174 km (0.082 R)
• M14: 6,263,663 km (0.052 R)
• M15: 7,963,244 km (0.103 R)
• M16: 8,445,398 km (0.102 R)
• M17: 11,350,439 km (0.06 R)
• M18: 13,025,636 km (0.067 R)
• M19: 13,694,039 km (0.103 R)
• M20: 13,845,732 km (0.03 R)
• M21: 15,260,928 km (0.059 R)
• M22: 16,856,389 km (0.071 R)
• M23: 18,191,999 km (0.065 R)
• M24: 19,310,093 km (0.114 R)
• M25: 22,831,477 km (0.032 R)
• M26: 25,364,618 km (0.087 R)
• M27: 27,473,200 km (0.109 R)
• M28: 28,570,052 km (0.085 R)
• M29: 29,442,955 km (0.091 R)
• M30: 29,822,485 km (0.109 R)
• M31: 33,661,166 km (0.065 R)
• M32: 49,939,659 km (0.075 R)
• M33: 52,306,297 km (0.109 R)
• M34: 61,280,075 km (0.11 R)
• M35: 63,147,954 km (0.118 R)
• M36: 63,568,174 km (0.116 R)
• M37: 65,482,130 km (0.041 R)
• M38: 69,424,482 km (0.097 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: 387 - 15,364 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit