🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.4

Radius: 11

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.62 AU - 0.94 AU

Year: 452 Days

Day: 7.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,267,033 km

• M1: 136,732 km (0.09 R)
• M2: 500,255 km (0.088 R)
• M3: 1,266,645 km (0.11 R)
• M4: 1,640,490 km (0.079 R)
• M5: 1,994,588 km (0.109 R)
• M6: 2,462,680 km (0.06 R)
• M7: 2,962,337 km (0.082 R)
• M8: 3,482,788 km (0.116 R)
• M9: 4,540,445 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.5

Radius: 11.6

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.61 AU - 0.95 AU

Year: 452 Days

Day: 12.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,267,033 km

• M1: 144,212 km (0.097 R)
• M2: 697,276 km (0.115 R)
• M3: 1,059,303 km (0.096 R)
• M4: 1,559,109 km (0.068 R)
• M5: 2,645,190 km (0.115 R)
• M6: 3,132,280 km (0.071 R)
• M7: 3,509,716 km (0.118 R)
• M8: 4,008,176 km (0.12 R)
• M9: 5,147,962 km (0.098 R)
• M10: 5,561,600 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.9

Radius: 8.6

Gravity: 11.11 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.53 AU - 2.07 AU

Year: 1584 Days

Day: 13.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,267,033 km

• M1: 106,962 km (0.114 R)
• M2: 460,612 km (0.115 R)
• M3: 803,490 km (0.067 R)
• M4: 1,127,370 km (0.097 R)
• M5: 1,402,929 km (0.095 R)
• M6: 1,744,311 km (0.055 R)
• M7: 2,013,737 km (0.112 R)
• M8: 3,418,162 km (0.076 R)
• M9: 3,970,028 km (0.117 R)
• M10: 5,795,870 km (0.097 R)
• M11: 6,130,970 km (0.08 R)
• M12: 6,529,648 km (0.111 R)
• M13: 6,839,914 km (0.082 R)
• M14: 7,434,565 km (0.025 R)
• M15: 7,773,105 km (0.032 R)
• M16: 8,121,968 km (0.078 R)
• M17: 8,913,789 km (0.043 R)
• M18: 9,328,474 km (0.107 R)
• M19: 11,449,024 km (0.101 R)
• M20: 11,749,118 km (0.109 R)
• M21: 12,170,385 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.2

Radius: 13.3

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.55 AU - 2.53 AU

Year: 1911 Days

Day: 7.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 72.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 62,267,033 km

• M1: 165,455 km (0.062 R)
• M2: 633,397 km (0.1 R)
• M3: 1,881,492 km (0.067 R)
• M4: 4,278,798 km (0.088 R)
• M5: 5,862,292 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.9

Radius: 11

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.41 AU - 3.75 AU

Year: 3546 Days

Day: 12.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,267,033 km

• M1: 136,882 km (0.1 R)
• M2: 527,781 km (0.109 R)
• M3: 1,219,671 km (0.046 R)
• M4: 1,802,056 km (0.118 R)
• M5: 2,477,939 km (0.056 R)
• M6: 3,147,689 km (0.118 R)
• M7: 3,670,683 km (0.083 R)
• M8: 4,847,121 km (0.054 R)
• M9: 7,682,449 km (0.109 R)
• M10: 13,105,671 km (0.093 R)
• M11: 16,978,760 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.5

Radius: 14.1

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.88 AU - 3.64 AU

Year: 3861 Days

Day: 11.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,267,033 km

• M1: 176,376 km (0.093 R)
• M2: 951,742 km (0.077 R)
• M3: 1,505,403 km (0.05 R)
• M4: 2,047,845 km (0.112 R)
• M5: 3,192,867 km (0.115 R)
• M6: 4,839,940 km (0.111 R)
• M7: 9,953,195 km (0.06 R)
• M8: 11,009,356 km (0.119 R)
• M9: 11,645,745 km (0.103 R)
• M10: 15,155,012 km (0.092 R)
• M11: 17,176,678 km (0.117 R)
• M12: 18,252,436 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 442.9

Radius: 7.2

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 5.44 AU - 6.42 AU

Year: 9473 Days

Day: 15.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 126.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 62,267,033 km

• M1: 89,609 km (0.12 R)
• M2: 486,043 km (0.111 R)
• M3: 883,375 km (0.114 R)
• M4: 1,458,878 km (0.086 R)
• M5: 2,739,436 km (0.069 R)
• M6: 3,534,100 km (0.089 R)
• M7: 3,797,692 km (0.082 R)
• M8: 4,391,595 km (0.089 R)
• M9: 5,318,952 km (0.113 R)
• M10: 5,569,828 km (0.091 R)
• M11: 6,095,664 km (0.086 R)
• M12: 8,116,582 km (0.098 R)
• M13: 9,233,031 km (0.116 R)
• M14: 11,820,177 km (0.078 R)
• M15: 12,411,986 km (0.084 R)
• M16: 12,910,745 km (0.057 R)
• M17: 13,136,787 km (0.061 R)
• M18: 18,801,610 km (0.062 R)
• M19: 20,666,497 km (0.088 R)
• M20: 21,367,064 km (0.118 R)
• M21: 23,063,205 km (0.119 R)
• M22: 23,647,833 km (0.083 R)
• M23: 24,673,326 km (0.07 R)
• M24: 25,996,220 km (0.033 R)
• M25: 26,266,394 km (0.114 R)
• M26: 27,180,587 km (0.052 R)
• M27: 27,927,080 km (0.097 R)
• M28: 32,799,932 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 637.2

Radius: 8

Gravity: 9.96 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 6.61 AU - 8.19 AU

Year: 13206 Days

Day: 22.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 111.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,267,033 km

• M1: 99,632 km (0.101 R)
• M2: 427,401 km (0.108 R)
• M3: 906,264 km (0.107 R)
• M4: 2,083,450 km (0.028 R)
• M5: 2,657,457 km (0.096 R)
• M6: 3,160,105 km (0.079 R)
• M7: 4,264,736 km (0.112 R)
• M8: 6,201,281 km (0.067 R)
• M9: 12,426,347 km (0.059 R)
• M10: 12,860,630 km (0.12 R)
• M11: 13,563,441 km (0.078 R)
• M12: 16,189,482 km (0.029 R)
• M13: 18,170,008 km (0.114 R)
• M14: 23,253,044 km (0.102 R)
• M15: 23,722,931 km (0.086 R)
• M16: 27,399,748 km (0.114 R)
• M17: 30,534,421 km (0.116 R)
• M18: 43,735,536 km (0.097 R)
• M19: 44,307,748 km (0.099 R)
• M20: 46,795,710 km (0.033 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 515.1

Radius: 6.2

Gravity: 13.4 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 7.96 AU - 8.22 AU

Year: 15095 Days

Day: 15.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 62,267,033 km

• M1: 77,641 km (0.111 R)
• M2: 307,424 km (0.099 R)
• M3: 515,065 km (0.045 R)
• M4: 869,014 km (0.105 R)
• M5: 1,639,144 km (0.025 R)
• M6: 1,936,544 km (0.097 R)
• M7: 2,771,899 km (0.112 R)
• M8: 3,073,638 km (0.097 R)
• M9: 3,474,859 km (0.107 R)
• M10: 3,996,058 km (0.077 R)
• M11: 5,090,816 km (0.115 R)
• M12: 9,247,841 km (0.069 R)
• M13: 10,353,519 km (0.051 R)
• M14: 11,662,650 km (0.117 R)
• M15: 12,636,083 km (0.113 R)
• M16: 14,263,858 km (0.106 R)
• M17: 16,099,872 km (0.094 R)
• M18: 17,151,097 km (0.097 R)
• M19: 18,812,531 km (0.099 R)
• M20: 20,062,870 km (0.055 R)
• M21: 26,329,375 km (0.077 R)
• M22: 26,947,064 km (0.105 R)
• M23: 29,735,718 km (0.099 R)
• M24: 31,891,274 km (0.09 R)
• M25: 33,785,333 km (0.109 R)
• M26: 35,378,550 km (0.085 R)
• M27: 40,867,595 km (0.109 R)
• M28: 46,150,794 km (0.105 R)
• M29: 53,004,620 km (0.086 R)
• M30: 53,823,818 km (0.093 R)
• M31: 55,824,540 km (0.1 R)
• M32: 56,332,425 km (0.036 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 290.5

Radius: 4.5

Gravity: 14.35 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 9.24 AU - 12.02 AU

Year: 22736 Days

Day: 19.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 62,267,033 km

• M1: 55,950 km (0.069 R)
• M2: 223,050 km (0.105 R)
• M3: 372,499 km (0.092 R)
• M4: 700,417 km (0.091 R)
• M5: 982,110 km (0.116 R)
• M6: 1,481,019 km (0.093 R)
• M7: 3,258,541 km (0.095 R)
• M8: 4,632,148 km (0.113 R)
• M9: 10,922,739 km (0.071 R)
• M10: 12,320,133 km (0.104 R)
• M11: 13,094,451 km (0.113 R)
• M12: 16,440,806 km (0.044 R)
• M13: 16,671,935 km (0.069 R)
• M14: 19,790,153 km (0.101 R)
• M15: 21,303,036 km (0.078 R)
• M16: 21,485,994 km (0.101 R)
• M17: 23,179,442 km (0.074 R)
• M18: 24,356,777 km (0.051 R)
• M19: 25,779,902 km (0.036 R)
• M20: 30,496,124 km (0.088 R)
• M21: 32,147,535 km (0.12 R)
• M22: 36,928,683 km (0.092 R)
• M23: 38,396,388 km (0.045 R)
• M24: 43,912,809 km (0.089 R)
• M25: 47,557,313 km (0.078 R)
• M26: 51,398,388 km (0.047 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 506 - 14,516 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit