🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.5

Radius: 13

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.47 AU - 0.59 AU

Year: 257 Days

Day: 14.8 Hours

Environment

Temp: -134 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,219,592 km

• M1: 163,660 km (0.096 R)
• M2: 593,156 km (0.074 R)
• M3: 1,121,685 km (0.074 R)
• M4: 1,528,441 km (0.117 R)
• M5: 1,993,691 km (0.069 R)
• M6: 2,428,871 km (0.109 R)
• M7: 2,900,254 km (0.119 R)
• M8: 3,453,766 km (0.057 R)
• M9: 3,937,416 km (0.038 R)

Asteroid Belt

Center: 1.15 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289

Radius: 11.2

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.67 AU - 1.85 AU

Year: 1557 Days

Day: 11.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 168.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,219,592 km

• M1: 139,276 km (0.12 R)
• M2: 590,762 km (0.067 R)
• M3: 1,437,935 km (0.048 R)
• M4: 1,903,783 km (0.105 R)
• M5: 2,258,329 km (0.063 R)
• M6: 2,657,606 km (0.094 R)
• M7: 3,268,414 km (0.098 R)
• M8: 5,554,569 km (0.114 R)
• M9: 6,623,296 km (0.037 R)
• M10: 7,351,838 km (0.045 R)
• M11: 8,003,336 km (0.064 R)
• M12: 8,611,302 km (0.078 R)
• M13: 9,024,342 km (0.036 R)
• M14: 9,421,674 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.4

Radius: 13.8

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.6 AU - 2.5 AU

Year: 1957 Days

Day: 8.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,219,592 km

• M1: 182,061 km (0.083 R)
• M2: 1,052,421 km (0.086 R)
• M3: 1,635,404 km (0.113 R)
• M4: 2,068,490 km (0.068 R)
• M5: 3,150,531 km (0.067 R)
• M6: 3,804,872 km (0.047 R)
• M7: 4,373,643 km (0.073 R)
• M8: 7,716,707 km (0.087 R)
• M9: 8,165,949 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.7

Radius: 10.5

Gravity: 8.87 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.7 AU - 2.98 AU

Year: 3192 Days

Day: 12.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,219,592 km

• M1: 130,599 km (0.091 R)
• M2: 527,033 km (0.112 R)
• M3: 936,931 km (0.102 R)
• M4: 1,629,420 km (0.09 R)
• M5: 1,974,991 km (0.052 R)
• M6: 2,476,892 km (0.11 R)
• M7: 2,955,904 km (0.099 R)
• M8: 3,476,206 km (0.058 R)
• M9: 4,872,552 km (0.105 R)
• M10: 7,807,662 km (0.044 R)
• M11: 9,372,905 km (0.115 R)
• M12: 9,924,921 km (0.1 R)
• M13: 10,708,664 km (0.115 R)
• M14: 12,167,244 km (0.099 R)
• M15: 14,107,827 km (0.12 R)
• M16: 14,780,718 km (0.118 R)
• M17: 15,366,544 km (0.082 R)
• M18: 16,584,869 km (0.063 R)
• M19: 17,569,522 km (0.119 R)
• M20: 22,038,160 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.4

Radius: 12.4

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.37 AU - 3.81 AU

Year: 4536 Days

Day: 6.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,219,592 km

• M1: 164,258 km (0.104 R)
• M2: 1,438,084 km (0.094 R)
• M3: 1,834,070 km (0.119 R)
• M4: 2,544,061 km (0.117 R)
• M5: 3,289,208 km (0.113 R)
• M6: 4,151,790 km (0.084 R)
• M7: 5,838,655 km (0.037 R)
• M8: 6,323,951 km (0.095 R)
• M9: 6,836,024 km (0.074 R)
• M10: 7,306,809 km (0.072 R)
• M11: 11,050,645 km (0.079 R)
• M12: 15,683,242 km (0.063 R)
• M13: 17,108,461 km (0.053 R)
• M14: 17,789,880 km (0.107 R)
• M15: 24,604,960 km (0.035 R)
• M16: 27,607,389 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.5

Radius: 14.3

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 3.46 AU - 4.78 AU

Year: 5577 Days

Day: 5.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,219,592 km

• M1: 178,620 km (0.082 R)
• M2: 722,109 km (0.105 R)
• M3: 1,801,458 km (0.109 R)
• M4: 2,889,782 km (0.09 R)
• M5: 4,046,772 km (0.097 R)
• M6: 4,891,701 km (0.063 R)
• M7: 5,877,700 km (0.068 R)
• M8: 6,335,320 km (0.111 R)
• M9: 6,845,898 km (0.065 R)
• M10: 7,292,298 km (0.105 R)
• M11: 9,420,776 km (0.05 R)
• M12: 10,163,979 km (0.068 R)
• M13: 11,026,111 km (0.085 R)
• M14: 11,516,642 km (0.106 R)
• M15: 12,064,619 km (0.103 R)
• M16: 17,865,427 km (0.039 R)
• M17: 18,315,567 km (0.108 R)
• M18: 20,497,003 km (0.06 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.3

Radius: 11.3

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.16 AU - 4.18 AU

Year: 5679 Days

Day: 5.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,219,592 km

• M1: 140,472 km (0.097 R)
• M2: 511,176 km (0.092 R)
• M3: 1,214,136 km (0.103 R)
• M4: 1,738,626 km (0.119 R)
• M5: 2,504,717 km (0.049 R)
• M6: 4,022,238 km (0.115 R)
• M7: 4,554,507 km (0.116 R)
• M8: 5,784,650 km (0.111 R)
• M9: 6,438,244 km (0.077 R)
• M10: 8,570,163 km (0.104 R)
• M11: 13,648,861 km (0.113 R)
• M12: 14,309,485 km (0.108 R)
• M13: 15,083,804 km (0.1 R)
• M14: 15,742,184 km (0.058 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.3

Radius: 11.7

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 3.33 AU - 5.17 AU

Year: 5843 Days

Day: 11.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,219,592 km

• M1: 147,504 km (0.105 R)
• M2: 1,934,450 km (0.078 R)
• M3: 3,664,250 km (0.115 R)
• M4: 4,745,843 km (0.073 R)
• M5: 5,335,558 km (0.026 R)
• M6: 5,809,484 km (0.073 R)
• M7: 6,311,534 km (0.119 R)
• M8: 7,275,543 km (0.1 R)
• M9: 9,047,829 km (0.1 R)
• M10: 10,272,437 km (0.105 R)
• M11: 11,954,815 km (0.086 R)
• M12: 12,402,561 km (0.087 R)
• M13: 13,189,595 km (0.103 R)
• M14: 18,038,661 km (0.109 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.4

Radius: 11.9

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 4.94 AU - 5.5 AU

Year: 7953 Days

Day: 5.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 77.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 47,219,592 km

• M1: 148,700 km (0.078 R)
• M2: 857,794 km (0.091 R)
• M3: 1,435,092 km (0.088 R)
• M4: 1,890,169 km (0.096 R)
• M5: 2,391,771 km (0.111 R)
• M6: 3,239,542 km (0.106 R)
• M7: 4,130,846 km (0.083 R)
• M8: 4,530,422 km (0.117 R)
• M9: 5,292,623 km (0.085 R)
• M10: 5,765,502 km (0.08 R)
• M11: 6,266,356 km (0.104 R)
• M12: 7,646,994 km (0.054 R)
• M13: 11,334,881 km (0.066 R)
• M14: 12,634,139 km (0.109 R)
• M15: 13,481,461 km (0.112 R)
• M16: 15,586,153 km (0.116 R)
• M17: 16,068,606 km (0.099 R)
• M18: 17,063,432 km (0.063 R)
• M19: 17,967,003 km (0.087 R)
• M20: 19,590,140 km (0.115 R)
• M21: 26,636,649 km (0.117 R)
• M22: 28,473,860 km (0.114 R)
• M23: 30,021,899 km (0.034 R)
• M24: 31,721,331 km (0.082 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 633.1

Radius: 5.6

Gravity: 20.19 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 5.6 AU - 6.7 AU

Year: 10170 Days

Day: 20.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 47,219,592 km

• M1: 69,713 km (0.029 R)
• M2: 255,663 km (0.085 R)
• M3: 458,218 km (0.111 R)
• M4: 754,572 km (0.092 R)
• M5: 1,571,675 km (0.064 R)
• M6: 1,842,298 km (0.088 R)
• M7: 2,269,400 km (0.085 R)
• M8: 2,457,893 km (0.043 R)
• M9: 2,781,324 km (0.095 R)
• M10: 2,975,502 km (0.049 R)
• M11: 4,933,738 km (0.099 R)
• M12: 6,623,147 km (0.09 R)
• M13: 7,370,986 km (0.058 R)
• M14: 8,349,955 km (0.048 R)
• M15: 9,174,389 km (0.117 R)
• M16: 10,152,459 km (0.116 R)
• M17: 10,459,135 km (0.072 R)
• M18: 11,415,963 km (0.089 R)
• M19: 15,898,065 km (0.1 R)
• M20: 16,873,892 km (0.114 R)
• M21: 17,521,950 km (0.116 R)
• M22: 18,563,001 km (0.054 R)
• M23: 19,331,336 km (0.097 R)
• M24: 30,691,798 km (0.1 R)
• M25: 31,440,386 km (0.096 R)
• M26: 32,751,761 km (0.049 R)
• M27: 38,117,537 km (0.072 R)
• M28: 41,395,077 km (0.055 R)
• M29: 42,440,168 km (0.037 R)
• M30: 42,969,146 km (0.11 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: 297 - 11,375 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit