🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82

Radius: 8.4

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.58 AU - 0.64 AU

Year: 329 Days

Day: 11.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,160,200 km

• M1: 104,569 km (0.113 R)
• M2: 465,848 km (0.08 R)
• M3: 759,508 km (0.101 R)
• M4: 1,091,167 km (0.118 R)
• M5: 1,397,992 km (0.12 R)
• M6: 1,801,607 km (0.071 R)
• M7: 2,075,072 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.3

Radius: 8.5

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.94 AU - 1.2 AU

Year: 764 Days

Day: 12.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,160,200 km

• M1: 105,766 km (0.091 R)
• M2: 453,282 km (0.099 R)
• M3: 762,949 km (0.1 R)
• M4: 1,118,094 km (0.081 R)
• M5: 1,391,111 km (0.116 R)
• M6: 1,825,992 km (0.11 R)
• M7: 2,123,093 km (0.099 R)
• M8: 2,484,372 km (0.048 R)
• M9: 2,921,497 km (0.117 R)
• M10: 3,638,519 km (0.096 R)
• M11: 4,628,409 km (0.079 R)
• M12: 5,221,414 km (0.083 R)
• M13: 5,998,575 km (0.079 R)
• M14: 6,294,181 km (0.097 R)
• M15: 6,745,368 km (0.105 R)
• M16: 7,217,798 km (0.041 R)
• M17: 7,735,257 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199

Radius: 10.9

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.26 AU - 2.08 AU

Year: 1490 Days

Day: 6.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,160,200 km

• M1: 136,134 km (0.115 R)
• M2: 702,063 km (0.081 R)
• M3: 1,458,430 km (0.112 R)
• M4: 2,033,185 km (0.051 R)
• M5: 2,493,049 km (0.112 R)
• M6: 3,136,020 km (0.095 R)
• M7: 4,209,235 km (0.08 R)
• M8: 4,735,670 km (0.105 R)
• M9: 5,158,883 km (0.081 R)
• M10: 5,723,615 km (0.037 R)
• M11: 6,183,927 km (0.11 R)
• M12: 7,088,845 km (0.104 R)
• M13: 7,908,342 km (0.114 R)
• M14: 8,685,952 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.2

Radius: 14.9

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.88 AU - 3 AU

Year: 2631 Days

Day: 7.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,160,200 km

• M1: 185,352 km (0.091 R)
• M2: 653,294 km (0.054 R)
• M3: 1,577,809 km (0.109 R)
• M4: 2,116,211 km (0.104 R)
• M5: 5,310,874 km (0.095 R)
• M6: 11,249,610 km (0.089 R)
• M7: 12,454,920 km (0.117 R)
• M8: 15,585,256 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809

Radius: 12.6

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.05 AU - 3.21 AU

Year: 2944 Days

Day: 5.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,160,200 km

• M1: 163,361 km (0.116 R)
• M2: 640,279 km (0.066 R)
• M3: 1,103,135 km (0.108 R)
• M4: 2,923,292 km (0.071 R)
• M5: 3,566,264 km (0.097 R)
• M6: 4,614,346 km (0.102 R)
• M7: 5,777,320 km (0.1 R)
• M8: 6,823,458 km (0.076 R)
• M9: 7,407,787 km (0.107 R)
• M10: 7,925,546 km (0.079 R)
• M11: 9,930,755 km (0.115 R)
• M12: 10,480,976 km (0.106 R)
• M13: 10,886,387 km (0.039 R)
• M14: 11,428,978 km (0.074 R)
• M15: 12,254,459 km (0.085 R)
• M16: 12,659,271 km (0.081 R)
• M17: 14,171,257 km (0.093 R)
• M18: 14,617,507 km (0.109 R)
• M19: 20,667,095 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.2

Radius: 13.1

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.25 AU - 3.41 AU

Year: 3286 Days

Day: 7.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,160,200 km

• M1: 162,912 km (0.087 R)
• M2: 570,267 km (0.098 R)
• M3: 1,188,106 km (0.081 R)
• M4: 1,705,715 km (0.086 R)
• M5: 2,291,241 km (0.066 R)
• M6: 3,813,399 km (0.104 R)
• M7: 4,667,304 km (0.072 R)
• M8: 5,320,897 km (0.105 R)
• M9: 5,955,491 km (0.084 R)
• M10: 8,232,371 km (0.08 R)
• M11: 9,224,354 km (0.062 R)
• M12: 12,031,110 km (0.104 R)
• M13: 12,947,097 km (0.11 R)
• M14: 13,537,111 km (0.026 R)
• M15: 14,002,959 km (0.108 R)
• M16: 15,617,270 km (0.107 R)
• M17: 16,866,861 km (0.115 R)
• M18: 18,182,125 km (0.063 R)
• M19: 20,281,731 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.9

Radius: 9.8

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.33 AU - 3.47 AU

Year: 3409 Days

Day: 14.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,160,200 km

• M1: 121,922 km (0.084 R)
• M2: 483,949 km (0.044 R)
• M3: 1,008,290 km (0.077 R)
• M4: 1,427,762 km (0.11 R)
• M5: 1,886,878 km (0.114 R)
• M6: 2,297,973 km (0.093 R)
• M7: 3,841,374 km (0.093 R)
• M8: 5,121,782 km (0.091 R)
• M9: 6,176,746 km (0.067 R)
• M10: 6,875,817 km (0.108 R)
• M11: 7,182,343 km (0.111 R)
• M12: 7,724,336 km (0.089 R)
• M13: 8,926,355 km (0.028 R)
• M14: 9,365,874 km (0.078 R)
• M15: 10,052,229 km (0.103 R)
• M16: 10,894,914 km (0.047 R)
• M17: 11,354,778 km (0.102 R)
• M18: 12,313,401 km (0.11 R)
• M19: 13,324,982 km (0.092 R)
• M20: 13,706,307 km (0.059 R)
• M21: 14,792,537 km (0.088 R)
• M22: 18,045,991 km (0.043 R)
• M23: 19,900,855 km (0.102 R)
• M24: 20,211,570 km (0.055 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 628.6

Radius: 6.4

Gravity: 15.35 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 6.74 AU - 7.08 AU

Year: 12538 Days

Day: 17.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 54,160,200 km

• M1: 80,184 km (0.063 R)
• M2: 280,945 km (0.096 R)
• M3: 559,346 km (0.097 R)
• M4: 772,523 km (0.115 R)
• M5: 1,254,079 km (0.103 R)
• M6: 2,281,068 km (0.108 R)
• M7: 3,094,133 km (0.043 R)
• M8: 3,387,345 km (0.03 R)
• M9: 3,672,179 km (0.12 R)
• M10: 4,717,868 km (0.036 R)
• M11: 5,241,311 km (0.096 R)
• M12: 5,912,257 km (0.071 R)
• M13: 6,962,135 km (0.102 R)
• M14: 7,552,897 km (0.1 R)
• M15: 8,786,033 km (0.103 R)
• M16: 9,028,231 km (0.107 R)
• M17: 9,526,243 km (0.106 R)
• M18: 11,243,178 km (0.093 R)
• M19: 11,528,910 km (0.095 R)
• M20: 12,174,574 km (0.104 R)
• M21: 15,983,635 km (0.117 R)
• M22: 16,272,359 km (0.101 R)
• M23: 17,310,269 km (0.045 R)
• M24: 20,433,723 km (0.043 R)
• M25: 23,261,871 km (0.116 R)
• M26: 25,058,840 km (0.099 R)
• M27: 27,150,518 km (0.09 R)
• M28: 33,644,711 km (0.074 R)
• M29: 38,721,165 km (0.113 R)
• M30: 39,373,112 km (0.095 R)
• M31: 43,299,608 km (0.073 R)
• M32: 46,300,691 km (0.078 R)
• M33: 49,590,348 km (0.106 R)
• M34: 53,353,033 km (0.097 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 484 - 20,316 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit