🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.8

Radius: 10.6

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.98 AU - 0.98 AU

Year: 647 Days

Day: 10.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,762,890 km

• M1: 131,796 km (0.078 R)
• M2: 469,588 km (0.102 R)
• M3: 867,368 km (0.102 R)
• M4: 1,228,797 km (0.066 R)
• M5: 1,863,541 km (0.08 R)
• M6: 2,312,783 km (0.111 R)
• M7: 2,716,697 km (0.085 R)
• M8: 3,078,575 km (0.105 R)
• M9: 3,555,642 km (0.076 R)
• M10: 4,283,885 km (0.072 R)
• M11: 4,625,267 km (0.049 R)
• M12: 6,383,042 km (0.103 R)
• M13: 7,072,239 km (0.119 R)
• M14: 8,624,317 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.3

Radius: 8.9

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.95 AU - 1.03 AU

Year: 657 Days

Day: 11.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,762,890 km

• M1: 110,702 km (0.074 R)
• M2: 519,254 km (0.108 R)
• M3: 841,338 km (0.071 R)
• M4: 1,157,140 km (0.116 R)
• M5: 1,447,509 km (0.089 R)
• M6: 2,078,812 km (0.061 R)
• M7: 2,383,992 km (0.109 R)
• M8: 3,867,703 km (0.094 R)
• M9: 5,232,784 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.5

Radius: 13.1

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.65 AU - 1.81 AU

Year: 1517 Days

Day: 8.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,762,890 km

• M1: 162,912 km (0.082 R)
• M2: 795,861 km (0.099 R)
• M3: 1,235,379 km (0.064 R)
• M4: 1,694,794 km (0.054 R)
• M5: 2,119,802 km (0.1 R)
• M6: 2,736,444 km (0.073 R)
• M7: 3,162,200 km (0.035 R)
• M8: 4,185,748 km (0.1 R)
• M9: 4,935,832 km (0.107 R)
• M10: 5,594,512 km (0.031 R)
• M11: 6,408,025 km (0.118 R)
• M12: 6,984,575 km (0.108 R)
• M13: 7,568,156 km (0.094 R)
• M14: 8,328,712 km (0.099 R)
• M15: 9,233,031 km (0.097 R)
• M16: 10,607,835 km (0.046 R)
• M17: 12,493,965 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.3

Radius: 12.4

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.79 AU - 2.47 AU

Year: 2073 Days

Day: 11.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,762,890 km

• M1: 154,235 km (0.12 R)
• M2: 626,965 km (0.053 R)
• M3: 1,033,422 km (0.084 R)
• M4: 1,457,083 km (0.051 R)
• M5: 1,860,100 km (0.106 R)
• M6: 2,392,220 km (0.034 R)
• M7: 2,961,439 km (0.065 R)
• M8: 3,656,172 km (0.106 R)
• M9: 6,406,978 km (0.074 R)
• M10: 7,187,729 km (0.079 R)
• M11: 7,814,095 km (0.064 R)
• M12: 8,347,561 km (0.089 R)
• M13: 9,628,568 km (0.108 R)
• M14: 10,540,068 km (0.079 R)
• M15: 12,492,769 km (0.114 R)
• M16: 13,711,243 km (0.054 R)
• M17: 16,182,002 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895

Radius: 14

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.31 AU - 3.19 AU

Year: 3041 Days

Day: 12.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,762,890 km

• M1: 174,132 km (0.072 R)
• M2: 701,614 km (0.025 R)
• M3: 1,384,977 km (0.107 R)
• M4: 2,031,389 km (0.051 R)
• M5: 2,585,350 km (0.07 R)
• M6: 3,462,592 km (0.032 R)
• M7: 4,024,033 km (0.103 R)
• M8: 4,553,310 km (0.094 R)
• M9: 5,539,759 km (0.064 R)
• M10: 6,967,670 km (0.104 R)
• M11: 7,834,590 km (0.054 R)
• M12: 9,027,484 km (0.072 R)
• M13: 10,418,893 km (0.057 R)
• M14: 12,172,779 km (0.109 R)
• M15: 12,861,378 km (0.116 R)
• M16: 14,316,516 km (0.096 R)
• M17: 14,928,372 km (0.092 R)
• M18: 16,479,253 km (0.047 R)
• M19: 19,774,445 km (0.092 R)
• M20: 21,247,086 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.7

Radius: 14.3

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.43 AU - 3.55 AU

Year: 3448 Days

Day: 12.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,762,890 km

• M1: 177,872 km (0.055 R)
• M2: 1,353,113 km (0.099 R)
• M3: 1,826,889 km (0.109 R)
• M4: 2,284,060 km (0.065 R)
• M5: 4,281,491 km (0.116 R)
• M6: 4,882,725 km (0.115 R)
• M7: 6,153,260 km (0.109 R)
• M8: 7,752,760 km (0.118 R)
• M9: 10,285,302 km (0.114 R)
• M10: 12,159,315 km (0.071 R)
• M11: 12,859,882 km (0.1 R)
• M12: 14,706,667 km (0.062 R)
• M13: 16,624,363 km (0.055 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.3

Radius: 10.1

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 4.16 AU - 5.08 AU

Year: 6622 Days

Day: 8 Hours

Environment

Temp: -213 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 71,762,890 km

• M1: 141,220 km (0.099 R)
• M2: 505,042 km (0.089 R)
• M3: 901,028 km (0.1 R)
• M4: 1,816,717 km (0.063 R)
• M5: 2,139,549 km (0.109 R)
• M6: 2,518,181 km (0.109 R)
• M7: 3,305,963 km (0.098 R)
• M8: 3,723,192 km (0.096 R)
• M9: 4,880,930 km (0.109 R)
• M10: 5,364,580 km (0.11 R)
• M11: 6,870,133 km (0.107 R)
• M12: 8,044,925 km (0.085 R)
• M13: 9,739,719 km (0.03 R)
• M14: 10,883,095 km (0.096 R)
• M15: 12,683,805 km (0.053 R)
• M16: 15,322,712 km (0.096 R)
• M17: 15,805,763 km (0.112 R)
• M18: 16,612,395 km (0.119 R)
• M19: 18,510,343 km (0.103 R)
• M20: 19,687,977 km (0.096 R)
• M21: 21,136,384 km (0.111 R)
• M22: 22,499,669 km (0.115 R)
• M23: 27,911,971 km (0.106 R)
• M24: 28,451,421 km (0.062 R)
• M25: 30,870,119 km (0.067 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.5

Radius: 14.2

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 5.15 AU - 5.55 AU

Year: 8252 Days

Day: 5.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 71,762,890 km

• M1: 206,295 km (0.113 R)
• M2: 710,440 km (0.07 R)
• M3: 1,196,783 km (0.096 R)
• M4: 1,736,682 km (0.084 R)
• M5: 2,324,003 km (0.118 R)
• M6: 2,983,879 km (0.115 R)
• M7: 3,631,040 km (0.111 R)
• M8: 5,412,601 km (0.086 R)
• M9: 7,242,482 km (0.1 R)
• M10: 7,758,445 km (0.094 R)
• M11: 9,672,998 km (0.04 R)
• M12: 10,118,052 km (0.111 R)
• M13: 10,858,711 km (0.1 R)
• M14: 11,437,804 km (0.068 R)
• M15: 11,885,551 km (0.042 R)
• M16: 12,710,583 km (0.062 R)
• M17: 13,354,153 km (0.106 R)
• M18: 14,764,861 km (0.104 R)
• M19: 17,617,094 km (0.078 R)
• M20: 19,173,062 km (0.068 R)
• M21: 20,892,390 km (0.045 R)
• M22: 25,133,789 km (0.115 R)
• M23: 30,579,600 km (0.061 R)
• M24: 31,347,635 km (0.087 R)
• M25: 33,729,084 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 57.4

Radius: 6.6

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 6.12 AU - 8.92 AU

Year: 13752 Days

Day: 20.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,762,890 km

• M1: 87,365 km (0.064 R)
• M2: 457,620 km (0.09 R)
• M3: 859,889 km (0.1 R)
• M4: 1,098,348 km (0.039 R)
• M5: 2,254,739 km (0.097 R)
• M6: 2,853,131 km (0.115 R)
• M7: 5,232,036 km (0.114 R)
• M8: 9,414,792 km (0.117 R)
• M9: 13,123,024 km (0.055 R)
• M10: 13,470,091 km (0.036 R)
• M11: 21,014,312 km (0.07 R)
• M12: 21,489,585 km (0.112 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 954.9

Radius: 3.3

Gravity: 87.69 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 7.32 AU - 8.98 AU

Year: 15516 Days

Day: 18.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 71,762,890 km

• M1: 40,990 km (0.085 R)
• M2: 393,442 km (0.082 R)
• M3: 564,732 km (0.118 R)
• M4: 1,188,854 km (0.094 R)
• M5: 1,565,392 km (0.118 R)
• M6: 2,136,557 km (0.105 R)
• M7: 2,347,490 km (0.097 R)
• M8: 3,037,734 km (0.114 R)
• M9: 4,562,735 km (0.062 R)
• M10: 6,841,559 km (0.114 R)
• M11: 7,205,830 km (0.083 R)
• M12: 7,972,968 km (0.094 R)
• M13: 9,060,096 km (0.05 R)
• M14: 9,332,962 km (0.116 R)
• M15: 12,368,602 km (0.113 R)
• M16: 13,534,269 km (0.109 R)
• M17: 15,455,554 km (0.108 R)
• M18: 19,286,606 km (0.036 R)
• M19: 19,466,124 km (0.087 R)
• M20: 21,903,372 km (0.058 R)
• M21: 22,592,719 km (0.047 R)
• M22: 29,104,415 km (0.089 R)
• M23: 31,401,042 km (0.079 R)
• M24: 32,025,015 km (0.086 R)
• M25: 32,276,788 km (0.113 R)
• M26: 32,784,373 km (0.116 R)
• M27: 39,010,338 km (0.113 R)
• M28: 39,731,100 km (0.062 R)
• M29: 41,496,953 km (0.054 R)
• M30: 45,660,112 km (0.088 R)
• M31: 49,755,354 km (0.091 R)
• M32: 54,984,398 km (0.088 R)
• M33: 55,164,664 km (0.11 R)
• M34: 57,731,015 km (0.054 R)
• M35: 62,117,973 km (0.102 R)
• M36: 62,509,620 km (0.109 R)
• M37: 67,132,643 km (0.093 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: 527 - 11,840 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit