🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389

Radius: 13.3

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.68 AU - 0.78 AU

Year: 438 Days

Day: 12.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 46,051,644 km

• M1: 165,455 km (0.116 R)
• M2: 916,437 km (0.103 R)
• M3: 1,671,906 km (0.113 R)
• M4: 2,284,210 km (0.064 R)
• M5: 3,033,097 km (0.108 R)
• M6: 3,677,564 km (0.051 R)
• M7: 4,359,132 km (0.117 R)
• M8: 4,849,963 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.9

Radius: 12.2

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.01 AU - 1.27 AU

Year: 856 Days

Day: 12.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 46,051,644 km

• M1: 156,180 km (0.068 R)
• M2: 593,305 km (0.116 R)
• M3: 1,008,290 km (0.026 R)
• M4: 1,559,707 km (0.088 R)
• M5: 1,945,072 km (0.054 R)
• M6: 2,466,121 km (0.082 R)
• M7: 3,841,225 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.7

Radius: 13.4

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.06 AU - 1.74 AU

Year: 1164 Days

Day: 11.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,051,644 km

• M1: 166,652 km (0.084 R)
• M2: 665,711 km (0.083 R)
• M3: 1,129,913 km (0.112 R)
• M4: 2,112,023 km (0.074 R)
• M5: 2,614,821 km (0.055 R)
• M6: 3,367,149 km (0.046 R)
• M7: 4,396,981 km (0.053 R)
• M8: 4,938,824 km (0.101 R)
• M9: 5,730,346 km (0.074 R)
• M10: 7,220,192 km (0.099 R)
• M11: 7,770,113 km (0.112 R)
• M12: 9,949,605 km (0.096 R)
• M13: 10,823,406 km (0.025 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.4

Radius: 14.8

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.47 AU - 2.17 AU

Year: 1726 Days

Day: 6.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,051,644 km

• M1: 184,604 km (0.093 R)
• M2: 646,562 km (0.072 R)
• M3: 1,367,175 km (0.039 R)
• M4: 1,867,281 km (0.093 R)
• M5: 2,397,755 km (0.115 R)
• M6: 3,140,359 km (0.074 R)
• M7: 3,613,237 km (0.104 R)
• M8: 4,202,803 km (0.11 R)
• M9: 4,818,099 km (0.069 R)
• M10: 5,639,989 km (0.085 R)
• M11: 6,460,534 km (0.093 R)
• M12: 7,668,237 km (0.1 R)
• M13: 10,051,032 km (0.094 R)
• M14: 11,635,872 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586

Radius: 10

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.46 AU - 2.5 AU

Year: 2745 Days

Day: 12.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,051,644 km

• M1: 124,316 km (0.063 R)
• M2: 609,611 km (0.062 R)
• M3: 964,308 km (0.069 R)
• M4: 1,383,481 km (0.111 R)
• M5: 1,935,048 km (0.084 R)
• M6: 2,717,595 km (0.106 R)
• M7: 3,249,715 km (0.086 R)
• M8: 4,566,176 km (0.052 R)
• M9: 5,013,773 km (0.106 R)
• M10: 5,664,374 km (0.054 R)
• M11: 6,128,726 km (0.065 R)
• M12: 6,507,208 km (0.114 R)
• M13: 8,441,060 km (0.102 R)
• M14: 8,910,348 km (0.054 R)
• M15: 11,564,364 km (0.036 R)
• M16: 12,440,709 km (0.067 R)
• M17: 12,785,980 km (0.03 R)
• M18: 13,271,276 km (0.112 R)
• M19: 13,906,468 km (0.038 R)
• M20: 14,849,085 km (0.109 R)
• M21: 17,072,109 km (0.106 R)
• M22: 17,445,056 km (0.119 R)
• M23: 18,765,706 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.6

Radius: 13.9

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.91 AU - 3.77 AU

Year: 4291 Days

Day: 6.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,051,644 km

• M1: 172,935 km (0.103 R)
• M2: 672,891 km (0.081 R)
• M3: 1,172,847 km (0.103 R)
• M4: 1,808,040 km (0.072 R)
• M5: 2,354,072 km (0.094 R)
• M6: 3,162,649 km (0.102 R)
• M7: 5,085,729 km (0.085 R)
• M8: 6,282,363 km (0.09 R)
• M9: 6,764,517 km (0.104 R)
• M10: 7,587,604 km (0.12 R)
• M11: 9,187,852 km (0.113 R)
• M12: 12,538,994 km (0.077 R)
• M13: 13,047,178 km (0.102 R)
• M14: 14,378,001 km (0.116 R)
• M15: 16,033,152 km (0.105 R)
• M16: 18,847,985 km (0.026 R)
• M17: 24,247,421 km (0.097 R)
• M18: 25,844,678 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.4

Radius: 12.6

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 3.22 AU - 4.24 AU

Year: 5064 Days

Day: 12.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 162.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,051,644 km

• M1: 156,779 km (0.098 R)
• M2: 674,986 km (0.115 R)
• M3: 1,239,568 km (0.085 R)
• M4: 2,224,670 km (0.089 R)
• M5: 2,973,856 km (0.046 R)
• M6: 3,535,746 km (0.113 R)
• M7: 4,394,737 km (0.119 R)
• M8: 4,799,997 km (0.107 R)
• M9: 6,679,096 km (0.087 R)
• M10: 7,119,961 km (0.029 R)
• M11: 9,351,064 km (0.118 R)
• M12: 9,783,850 km (0.082 R)
• M13: 12,573,402 km (0.063 R)
• M14: 13,444,959 km (0.066 R)
• M15: 18,235,831 km (0.117 R)
• M16: 21,179,468 km (0.097 R)
• M17: 23,912,322 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 358.3

Radius: 7.1

Gravity: 7.11 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 5.58 AU - 5.92 AU

Year: 9692 Days

Day: 20.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,051,644 km

• M1: 106,962 km (0.09 R)
• M2: 759,209 km (0.083 R)
• M3: 1,018,163 km (0.095 R)
• M4: 1,407,716 km (0.116 R)
• M5: 2,326,696 km (0.062 R)
• M6: 2,924,190 km (0.069 R)
• M7: 3,259,139 km (0.106 R)
• M8: 6,264,261 km (0.109 R)
• M9: 9,478,970 km (0.074 R)
• M10: 11,085,501 km (0.083 R)
• M11: 12,111,144 km (0.094 R)
• M12: 17,382,824 km (0.032 R)
• M13: 25,541,443 km (0.049 R)
• M14: 28,712,170 km (0.113 R)
• M15: 32,646,145 km (0.11 R)
• M16: 33,892,894 km (0.091 R)
• M17: 36,813,493 km (0.097 R)

Asteroid Belt

Center: 6.12 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 984.1

Radius: 7.5

Gravity: 17.5 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 5.47 AU - 7.49 AU

Year: 11595 Days

Day: 17.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 46,051,644 km

• M1: 93,499 km (0.116 R)
• M2: 341,981 km (0.107 R)
• M3: 1,784,254 km (0.096 R)
• M4: 2,294,083 km (0.106 R)
• M5: 3,136,768 km (0.118 R)
• M6: 3,521,085 km (0.114 R)
• M7: 3,879,222 km (0.029 R)
• M8: 4,668,501 km (0.095 R)
• M9: 5,204,959 km (0.084 R)
• M10: 5,633,706 km (0.106 R)
• M11: 5,894,605 km (0.045 R)
• M12: 6,163,432 km (0.082 R)
• M13: 8,092,796 km (0.111 R)
• M14: 8,425,352 km (0.041 R)
• M15: 8,668,449 km (0.119 R)
• M16: 9,117,990 km (0.098 R)
• M17: 9,848,028 km (0.072 R)
• M18: 11,247,516 km (0.101 R)
• M19: 11,602,212 km (0.115 R)
• M20: 12,209,879 km (0.078 R)
• M21: 12,521,641 km (0.093 R)
• M22: 19,418,402 km (0.114 R)
• M23: 20,800,238 km (0.037 R)
• M24: 26,567,535 km (0.029 R)
• M25: 29,478,709 km (0.085 R)
• M26: 31,068,785 km (0.085 R)
• M27: 34,419,179 km (0.11 R)
• M28: 35,167,168 km (0.064 R)
• M29: 35,418,792 km (0.069 R)
• M30: 36,695,460 km (0.07 R)
• M31: 41,545,872 km (0.103 R)
• M32: 42,536,210 km (0.075 R)
• M33: 50,072,053 km (0.072 R)
• M34: 58,451,030 km (0.103 R)
• M35: 59,693,889 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 310.9

Radius: 3.8

Gravity: 21.53 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 6.94 AU - 7.74 AU

Year: 13978 Days

Day: 21.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 46,051,644 km

• M1: 47,871 km (0.099 R)
• M2: 184,604 km (0.054 R)
• M3: 455,376 km (0.092 R)
• M4: 1,444,517 km (0.1 R)
• M5: 2,070,883 km (0.109 R)
• M6: 2,861,059 km (0.11 R)
• M7: 3,359,220 km (0.044 R)
• M8: 4,823,634 km (0.083 R)
• M9: 5,134,947 km (0.074 R)
• M10: 6,221,925 km (0.078 R)
• M11: 7,412,724 km (0.093 R)
• M12: 7,659,561 km (0.099 R)
• M13: 7,997,203 km (0.046 R)
• M14: 8,884,767 km (0.113 R)
• M15: 9,543,746 km (0.057 R)
• M16: 10,285,302 km (0.112 R)
• M17: 10,540,816 km (0.06 R)
• M18: 10,800,517 km (0.06 R)
• M19: 14,132,960 km (0.115 R)
• M20: 19,846,102 km (0.09 R)
• M21: 27,804,111 km (0.117 R)
• M22: 28,200,096 km (0.101 R)
• M23: 30,341,291 km (0.065 R)
• M24: 34,600,641 km (0.053 R)
• M25: 35,058,859 km (0.097 R)
• M26: 36,339,567 km (0.083 R)
• M27: 44,956,404 km (0.11 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 307 - 11,514 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit