🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611

Radius: 11.2

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.51 AU - 0.61 AU

Year: 279 Days

Day: 12.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,142,042 km

• M1: 139,276 km (0.088 R)
• M2: 544,536 km (0.115 R)
• M3: 1,186,610 km (0.092 R)
• M4: 1,915,002 km (0.036 R)
• M5: 2,315,326 km (0.114 R)
• M6: 3,423,697 km (0.073 R)
• M7: 3,913,331 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.8

Radius: 11.3

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.51 AU - 0.67 AU

Year: 302 Days

Day: 12.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,142,042 km

• M1: 140,472 km (0.101 R)
• M2: 565,779 km (0.086 R)
• M3: 937,679 km (0.111 R)
• M4: 1,443,470 km (0.025 R)
• M5: 1,815,071 km (0.081 R)
• M6: 2,718,941 km (0.114 R)
• M7: 3,101,014 km (0.072 R)
• M8: 3,484,882 km (0.077 R)
• M9: 4,088,659 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.2

Radius: 10.2

Gravity: 8.73 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.99 AU - 2.45 AU

Year: 2206 Days

Day: 12.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,142,042 km

• M1: 126,859 km (0.025 R)
• M2: 458,667 km (0.091 R)
• M3: 1,109,867 km (0.091 R)
• M4: 1,698,833 km (0.068 R)
• M5: 2,252,046 km (0.082 R)
• M6: 2,796,583 km (0.032 R)
• M7: 3,218,149 km (0.099 R)
• M8: 4,482,850 km (0.046 R)
• M9: 5,156,489 km (0.056 R)
• M10: 6,427,622 km (0.082 R)
• M11: 7,284,369 km (0.111 R)
• M12: 7,833,992 km (0.088 R)
• M13: 9,085,079 km (0.062 R)
• M14: 10,656,156 km (0.084 R)
• M15: 12,231,122 km (0.12 R)
• M16: 12,658,822 km (0.098 R)
• M17: 13,453,785 km (0.073 R)
• M18: 13,863,683 km (0.111 R)
• M19: 14,852,376 km (0.093 R)
• M20: 15,937,858 km (0.117 R)
• M21: 16,917,126 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.9

Radius: 10.8

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.83 AU - 4.15 AU

Year: 4348 Days

Day: 10.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,142,042 km

• M1: 134,937 km (0.09 R)
• M2: 484,996 km (0.077 R)
• M3: 833,709 km (0.063 R)
• M4: 1,187,957 km (0.12 R)
• M5: 1,745,059 km (0.08 R)
• M6: 2,203,427 km (0.114 R)
• M7: 2,620,506 km (0.045 R)
• M8: 3,109,093 km (0.104 R)
• M9: 4,128,752 km (0.104 R)
• M10: 5,003,301 km (0.056 R)
• M11: 7,392,528 km (0.117 R)
• M12: 10,457,639 km (0.114 R)
• M13: 10,813,532 km (0.093 R)
• M14: 13,536,812 km (0.084 R)
• M15: 15,113,125 km (0.095 R)
• M16: 15,799,929 km (0.109 R)
• M17: 21,992,233 km (0.085 R)
• M18: 23,475,197 km (0.064 R)
• M19: 26,804,946 km (0.055 R)
• M20: 28,669,086 km (0.038 R)
• M21: 29,632,795 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.5

Radius: 10.1

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.58 AU - 4.06 AU

Year: 4979 Days

Day: 14.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,142,042 km

• M1: 125,662 km (0.075 R)
• M2: 444,605 km (0.118 R)
• M3: 841,937 km (0.108 R)
• M4: 1,159,982 km (0.08 R)
• M5: 1,666,520 km (0.057 R)
• M6: 1,990,848 km (0.094 R)
• M7: 3,644,952 km (0.074 R)
• M8: 4,672,241 km (0.116 R)
• M9: 5,350,817 km (0.05 R)
• M10: 5,830,128 km (0.03 R)
• M11: 6,310,487 km (0.084 R)
• M12: 9,084,480 km (0.074 R)
• M13: 10,601,403 km (0.065 R)
• M14: 11,522,926 km (0.117 R)
• M15: 12,410,041 km (0.109 R)
• M16: 14,753,641 km (0.054 R)
• M17: 17,650,754 km (0.084 R)
• M18: 19,998,543 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.8

Radius: 12.4

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.37 AU - 4.51 AU

Year: 5215 Days

Day: 13.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,142,042 km

• M1: 159,023 km (0.098 R)
• M2: 637,586 km (0.118 R)
• M3: 1,531,433 km (0.103 R)
• M4: 2,233,945 km (0.055 R)
• M5: 3,106,549 km (0.081 R)
• M6: 4,531,469 km (0.097 R)
• M7: 7,016,439 km (0.058 R)
• M8: 7,625,452 km (0.115 R)
• M9: 8,304,178 km (0.037 R)
• M10: 10,502,668 km (0.08 R)
• M11: 11,001,876 km (0.101 R)
• M12: 13,303,290 km (0.065 R)
• M13: 20,397,969 km (0.101 R)
• M14: 21,840,242 km (0.037 R)
• M15: 23,772,897 km (0.055 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.9

Radius: 13.2

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 4.21 AU - 5.71 AU

Year: 7366 Days

Day: 13.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,142,042 km

• M1: 230,979 km (0.105 R)
• M2: 1,830,779 km (0.093 R)
• M3: 2,741,082 km (0.09 R)
• M4: 6,041,809 km (0.102 R)
• M5: 6,533,238 km (0.088 R)
• M6: 8,554,605 km (0.096 R)
• M7: 9,266,990 km (0.068 R)
• M8: 17,220,510 km (0.043 R)
• M9: 22,481,418 km (0.049 R)
• M10: 27,186,122 km (0.102 R)
• M11: 28,530,558 km (0.082 R)
• M12: 29,517,605 km (0.113 R)
• M13: 31,040,960 km (0.078 R)
• M14: 31,664,633 km (0.108 R)
• M15: 32,402,899 km (0.07 R)
• M16: 39,209,452 km (0.087 R)
• M17: 41,926,898 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 356.4

Radius: 7.1

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 6.48 AU - 7.74 AU

Year: 12643 Days

Day: 21.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,142,042 km

• M1: 88,263 km (0.044 R)
• M2: 642,822 km (0.073 R)
• M3: 1,065,286 km (0.057 R)
• M4: 1,690,306 km (0.029 R)
• M5: 2,240,079 km (0.05 R)
• M6: 2,882,003 km (0.049 R)
• M7: 3,166,239 km (0.1 R)
• M8: 4,133,389 km (0.099 R)
• M9: 4,495,715 km (0.099 R)
• M10: 5,511,634 km (0.119 R)
• M11: 8,159,217 km (0.096 R)
• M12: 9,094,803 km (0.109 R)
• M13: 10,450,907 km (0.057 R)
• M14: 11,771,108 km (0.05 R)
• M15: 13,801,301 km (0.105 R)
• M16: 17,231,880 km (0.098 R)
• M17: 17,661,076 km (0.037 R)
• M18: 24,352,140 km (0.103 R)
• M19: 28,009,509 km (0.11 R)
• M20: 32,124,497 km (0.095 R)
• M21: 40,893,326 km (0.078 R)
• M22: 45,075,334 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 227.7

Radius: 6.6

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 6.89 AU - 11.11 AU

Year: 18005 Days

Day: 24.2 Hours

Environment

Temp: -242 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,142,042 km

• M1: 84,972 km (0.093 R)
• M2: 306,526 km (0.116 R)
• M3: 562,937 km (0.072 R)
• M4: 905,217 km (0.051 R)
• M5: 1,473,988 km (0.077 R)
• M6: 1,845,140 km (0.084 R)
• M7: 2,567,099 km (0.051 R)
• M8: 4,552,712 km (0.037 R)
• M9: 5,143,175 km (0.1 R)
• M10: 8,200,058 km (0.042 R)
• M11: 14,250,843 km (0.103 R)
• M12: 16,480,599 km (0.056 R)
• M13: 31,286,899 km (0.08 R)
• M14: 34,435,186 km (0.056 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 513 - 14,246 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit