🌌 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: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.6

Radius: 12.5

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.61 AU - 0.63 AU

Year: 326 Days

Day: 10.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,526,627 km

• M1: 155,731 km (0.098 R)
• M2: 568,771 km (0.07 R)
• M3: 989,889 km (0.07 R)
• M4: 2,044,853 km (0.093 R)
• M5: 2,468,365 km (0.058 R)
• M6: 3,348,150 km (0.11 R)
• M7: 3,842,721 km (0.039 R)
• M8: 4,345,369 km (0.095 R)
• M9: 4,935,832 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.7

Radius: 14.2

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.67 AU - 0.97 AU

Year: 495 Days

Day: 5.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,526,627 km

• M1: 176,525 km (0.118 R)
• M2: 631,303 km (0.109 R)
• M3: 1,566,738 km (0.076 R)
• M4: 2,172,011 km (0.094 R)
• M5: 2,901,600 km (0.07 R)
• M6: 3,486,827 km (0.092 R)
• M7: 4,073,999 km (0.066 R)
• M8: 4,698,720 km (0.033 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.5

Radius: 12.1

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.82 AU - 0.82 AU

Year: 495 Days

Day: 9.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,526,627 km

• M1: 150,645 km (0.087 R)
• M2: 559,197 km (0.075 R)
• M3: 939,175 km (0.109 R)
• M4: 1,592,918 km (0.105 R)
• M5: 2,185,176 km (0.109 R)
• M6: 2,624,545 km (0.114 R)
• M7: 3,469,474 km (0.093 R)
• M8: 4,058,441 km (0.096 R)
• M9: 4,805,981 km (0.078 R)
• M10: 5,471,542 km (0.07 R)
• M11: 5,942,925 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.3

Radius: 13.9

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.49 AU - 1.87 AU

Year: 1452 Days

Day: 13.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,526,627 km

• M1: 174,132 km (0.09 R)
• M2: 696,677 km (0.108 R)
• M3: 1,592,918 km (0.05 R)
• M4: 2,495,741 km (0.118 R)
• M5: 2,932,717 km (0.042 R)
• M6: 4,328,166 km (0.079 R)
• M7: 5,084,233 km (0.106 R)
• M8: 6,016,078 km (0.086 R)
• M9: 7,545,118 km (0.112 R)
• M10: 8,358,482 km (0.081 R)
• M11: 9,471,939 km (0.109 R)
• M12: 10,583,002 km (0.064 R)
• M13: 11,187,228 km (0.115 R)
• M14: 11,779,037 km (0.108 R)
• M15: 12,391,640 km (0.044 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.6

Radius: 10.4

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 3.24 AU - 4.94 AU

Year: 5516 Days

Day: 11.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,526,627 km

• M1: 129,701 km (0.068 R)
• M2: 511,326 km (0.079 R)
• M3: 838,795 km (0.112 R)
• M4: 1,454,390 km (0.075 R)
• M5: 2,424,832 km (0.088 R)
• M6: 3,130,635 km (0.082 R)
• M7: 3,946,990 km (0.093 R)
• M8: 4,997,616 km (0.088 R)
• M9: 5,914,801 km (0.115 R)
• M10: 7,512,207 km (0.069 R)
• M11: 7,843,117 km (0.095 R)
• M12: 8,288,171 km (0.083 R)
• M13: 11,845,608 km (0.093 R)
• M14: 17,842,837 km (0.053 R)
• M15: 19,283,315 km (0.083 R)
• M16: 19,842,961 km (0.103 R)
• M17: 21,921,025 km (0.087 R)
• M18: 22,530,636 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.9

Radius: 11.5

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 3.68 AU - 5.92 AU

Year: 7013 Days

Day: 10.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 69,526,627 km

• M1: 143,315 km (0.073 R)
• M2: 744,698 km (0.11 R)
• M3: 1,451,698 km (0.113 R)
• M4: 2,497,387 km (0.067 R)
• M5: 3,989,626 km (0.077 R)
• M6: 4,546,728 km (0.08 R)
• M7: 5,479,471 km (0.084 R)
• M8: 6,741,179 km (0.055 R)
• M9: 7,836,834 km (0.111 R)
• M10: 9,089,716 km (0.111 R)
• M11: 9,477,474 km (0.051 R)
• M12: 11,091,485 km (0.052 R)
• M13: 11,735,355 km (0.088 R)
• M14: 12,404,057 km (0.116 R)
• M15: 13,426,708 km (0.117 R)
• M16: 14,504,860 km (0.102 R)
• M17: 14,916,254 km (0.082 R)
• M18: 15,701,045 km (0.104 R)
• M19: 16,897,379 km (0.095 R)
• M20: 17,950,996 km (0.074 R)
• M21: 21,074,600 km (0.12 R)
• M22: 22,922,732 km (0.105 R)
• M23: 23,804,911 km (0.098 R)
• M24: 25,637,036 km (0.114 R)
• M25: 29,113,092 km (0.1 R)
• M26: 29,863,026 km (0.091 R)
• M27: 31,597,613 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.1

Radius: 11.6

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 4.87 AU - 5.97 AU

Year: 8415 Days

Day: 9.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,526,627 km

• M1: 145,110 km (0.109 R)
• M2: 955,182 km (0.053 R)
• M3: 1,321,847 km (0.066 R)
• M4: 2,306,949 km (0.1 R)
• M5: 3,705,689 km (0.115 R)
• M6: 4,509,777 km (0.045 R)
• M7: 5,108,019 km (0.051 R)
• M8: 5,486,053 km (0.093 R)
• M9: 7,443,242 km (0.095 R)
• M10: 8,844,825 km (0.057 R)
• M11: 9,739,869 km (0.089 R)
• M12: 11,315,583 km (0.114 R)
• M13: 12,215,564 km (0.105 R)
• M14: 13,324,982 km (0.093 R)
• M15: 14,907,428 km (0.108 R)
• M16: 15,804,865 km (0.06 R)
• M17: 17,445,505 km (0.09 R)
• M18: 18,307,039 km (0.085 R)
• M19: 22,811,132 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 71.8

Radius: 4

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 5.37 AU - 6.93 AU

Year: 10170 Days

Day: 23.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,526,627 km

• M1: 54,603 km (0.059 R)
• M2: 341,981 km (0.076 R)
• M3: 922,570 km (0.074 R)
• M4: 1,052,870 km (0.099 R)
• M5: 2,313,381 km (0.094 R)
• M6: 2,987,021 km (0.103 R)
• M7: 4,569,018 km (0.029 R)
• M8: 5,150,355 km (0.092 R)
• M9: 5,752,487 km (0.087 R)
• M10: 9,366,622 km (0.066 R)
• M11: 9,748,396 km (0.092 R)
• M12: 12,260,144 km (0.11 R)
• M13: 15,644,796 km (0.114 R)
• M14: 18,871,921 km (0.117 R)
• M15: 19,357,516 km (0.049 R)
• M16: 21,712,785 km (0.117 R)
• M17: 22,583,743 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 911.4

Radius: 3.2

Gravity: 89 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 6.72 AU - 8.46 AU

Year: 13944 Days

Day: 18.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 69,526,627 km

• M1: 40,990 km (0.083 R)
• M2: 145,110 km (0.105 R)
• M3: 289,472 km (0.047 R)
• M4: 429,795 km (0.074 R)
• M5: 534,962 km (0.111 R)
• M6: 809,025 km (0.104 R)
• M7: 983,456 km (0.072 R)
• M8: 1,334,114 km (0.06 R)
• M9: 1,693,897 km (0.049 R)
• M10: 2,835,179 km (0.093 R)
• M11: 3,792,605 km (0.098 R)
• M12: 4,031,363 km (0.082 R)
• M13: 4,440,813 km (0.079 R)
• M14: 4,740,009 km (0.118 R)
• M15: 6,440,787 km (0.05 R)
• M16: 6,566,748 km (0.097 R)
• M17: 9,286,437 km (0.097 R)
• M18: 9,447,405 km (0.107 R)
• M19: 11,342,810 km (0.071 R)
• M20: 11,526,815 km (0.086 R)
• M21: 11,837,829 km (0.059 R)
• M22: 13,683,717 km (0.084 R)
• M23: 14,244,260 km (0.107 R)
• M24: 16,640,370 km (0.06 R)
• M25: 18,266,798 km (0.107 R)
• M26: 20,808,615 km (0.109 R)
• M27: 21,831,416 km (0.111 R)
• M28: 23,082,802 km (0.114 R)
• M29: 29,021,688 km (0.049 R)
• M30: 32,462,738 km (0.096 R)
• M31: 33,082,372 km (0.099 R)
• M32: 33,962,905 km (0.053 R)
• M33: 34,344,978 km (0.112 R)
• M34: 38,600,739 km (0.115 R)
• M35: 46,556,054 km (0.114 R)
• M36: 46,870,060 km (0.103 R)
• M37: 54,486,088 km (0.102 R)
• M38: 58,585,817 km (0.108 R)
• M39: 60,804,055 km (0.062 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 493.4

Radius: 3.6

Gravity: 38.07 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 9.37 AU - 10.31 AU

Year: 20584 Days

Day: 22.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 81.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,526,627 km

• M1: 46,675 km (0.073 R)
• M2: 340,186 km (0.113 R)
• M3: 836,252 km (0.118 R)
• M4: 1,196,933 km (0.078 R)
• M5: 1,810,433 km (0.091 R)
• M6: 2,519,079 km (0.108 R)
• M7: 2,799,874 km (0.052 R)
• M8: 3,049,403 km (0.119 R)
• M9: 4,326,969 km (0.079 R)
• M10: 6,085,342 km (0.036 R)
• M11: 7,258,638 km (0.09 R)
• M12: 8,678,023 km (0.038 R)
• M13: 10,684,579 km (0.073 R)
• M14: 11,987,277 km (0.094 R)
• M15: 20,570,306 km (0.109 R)
• M16: 23,069,188 km (0.103 R)
• M17: 26,742,564 km (0.118 R)
• M18: 27,521,221 km (0.104 R)
• M19: 29,240,400 km (0.103 R)
• M20: 29,474,820 km (0.103 R)
• M21: 37,935,926 km (0.102 R)
• M22: 60,943,330 km (0.045 R)
• M23: 65,641,002 km (0.102 R)
• M24: 68,077,653 km (0.08 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: 515 - 17,459 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit