🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.3

Radius: 11.1

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.95 AU - 1.05 AU

Year: 636 Days

Day: 6.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,460,714 km

• M1: 140,772 km (0.085 R)
• M2: 657,931 km (0.075 R)
• M3: 1,326,784 km (0.072 R)
• M4: 1,687,913 km (0.11 R)
• M5: 1,973,346 km (0.067 R)
• M6: 2,990,910 km (0.101 R)
• M7: 3,409,784 km (0.036 R)
• M8: 3,857,381 km (0.083 R)
• M9: 5,179,976 km (0.096 R)
• M10: 6,055,273 km (0.029 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.1

Radius: 8.7

Gravity: 10.29 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.06 AU - 1.56 AU

Year: 953 Days

Day: 6 Hours

Environment

Temp: -176 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 27,460,714 km

• M1: 157,377 km (0.09 R)
• M2: 389,553 km (0.118 R)
• M3: 669,151 km (0.116 R)
• M4: 844,779 km (0.03 R)
• M5: 1,019,659 km (0.078 R)
• M6: 1,260,960 km (0.089 R)
• M7: 1,507,498 km (0.11 R)
• M8: 1,695,991 km (0.06 R)
• M9: 2,136,108 km (0.092 R)
• M10: 2,420,045 km (0.086 R)
• M11: 2,629,931 km (0.107 R)
• M12: 2,859,414 km (0.106 R)
• M13: 4,287,924 km (0.062 R)
• M14: 4,487,487 km (0.115 R)
• M15: 4,802,391 km (0.049 R)
• M16: 5,736,181 km (0.106 R)
• M17: 6,346,690 km (0.026 R)
• M18: 6,639,004 km (0.091 R)
• M19: 6,988,614 km (0.09 R)
• M20: 8,274,857 km (0.085 R)
• M21: 8,627,608 km (0.047 R)
• M22: 8,930,544 km (0.062 R)
• M23: 9,238,716 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.3

Radius: 12.9

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.82 AU - 2.18 AU

Year: 1798 Days

Day: 6.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 27,460,714 km

• M1: 160,668 km (0.113 R)
• M2: 422,764 km (0.095 R)
• M3: 729,888 km (0.096 R)
• M4: 1,078,152 km (0.082 R)
• M5: 1,455,138 km (0.099 R)
• M6: 2,131,022 km (0.054 R)
• M7: 3,147,539 km (0.03 R)
• M8: 3,922,007 km (0.079 R)
• M9: 5,482,762 km (0.111 R)
• M10: 5,812,476 km (0.081 R)
• M11: 6,267,552 km (0.095 R)
• M12: 6,740,132 km (0.115 R)
• M13: 8,601,130 km (0.074 R)
• M14: 8,968,542 km (0.077 R)
• M15: 9,225,701 km (0.062 R)
• M16: 11,259,334 km (0.085 R)
• M17: 11,786,517 km (0.112 R)
• M18: 12,027,669 km (0.052 R)
• M19: 12,462,699 km (0.114 R)
• M20: 12,766,233 km (0.041 R)
• M21: 14,017,470 km (0.069 R)
• M22: 15,206,474 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185

Radius: 9.6

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.42 AU - 2.76 AU

Year: 2650 Days

Day: 13 Hours

Environment

Temp: -199 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,460,714 km

• M1: 253,718 km (0.118 R)
• M2: 667,356 km (0.113 R)
• M3: 873,352 km (0.036 R)
• M4: 2,627,238 km (0.054 R)
• M5: 3,784,976 km (0.056 R)
• M6: 5,193,739 km (0.093 R)
• M7: 5,787,343 km (0.084 R)
• M8: 6,044,352 km (0.117 R)
• M9: 6,378,105 km (0.11 R)
• M10: 6,942,239 km (0.12 R)
• M11: 10,286,350 km (0.055 R)
• M12: 10,491,598 km (0.103 R)
• M13: 11,669,382 km (0.119 R)
• M14: 11,985,931 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.3

Radius: 12.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 4.15 AU - 4.33 AU

Year: 5551 Days

Day: 7.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,460,714 km

• M1: 167,550 km (0.045 R)
• M2: 1,556,267 km (0.058 R)
• M3: 4,229,431 km (0.053 R)
• M4: 5,003,899 km (0.078 R)
• M5: 5,650,461 km (0.117 R)
• M6: 6,590,833 km (0.099 R)
• M7: 8,507,631 km (0.072 R)
• M8: 9,183,664 km (0.117 R)
• M9: 10,466,914 km (0.074 R)
• M10: 11,094,776 km (0.103 R)
• M11: 11,369,588 km (0.091 R)
• M12: 11,678,956 km (0.062 R)
• M13: 13,894,052 km (0.079 R)
• M14: 14,133,109 km (0.036 R)
• M15: 20,905,554 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.6

Radius: 14.3

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 4.6 AU - 6.14 AU

Year: 7912 Days

Day: 11.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 27,460,714 km

• M1: 182,958 km (0.099 R)
• M2: 759,957 km (0.071 R)
• M3: 1,499,120 km (0.119 R)
• M4: 2,978,045 km (0.118 R)
• M5: 3,854,688 km (0.096 R)
• M6: 4,132,940 km (0.097 R)
• M7: 5,580,749 km (0.099 R)
• M8: 6,749,258 km (0.102 R)
• M9: 7,173,068 km (0.113 R)
• M10: 8,436,273 km (0.088 R)
• M11: 9,772,631 km (0.084 R)
• M12: 10,315,671 km (0.067 R)
• M13: 10,741,127 km (0.096 R)
• M14: 11,310,646 km (0.091 R)
• M15: 12,034,850 km (0.11 R)
• M16: 14,885,437 km (0.107 R)
• M17: 15,796,338 km (0.031 R)
• M18: 16,160,310 km (0.107 R)
• M19: 16,528,470 km (0.093 R)
• M20: 18,737,283 km (0.106 R)
• M21: 19,984,630 km (0.106 R)
• M22: 20,348,602 km (0.085 R)
• M23: 21,319,342 km (0.072 R)
• M24: 24,169,032 km (0.071 R)
• M25: 24,569,356 km (0.088 R)
• M26: 25,533,215 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 132.4

Radius: 6.3

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 5.43 AU - 7.01 AU

Year: 9863 Days

Day: 24.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 27,460,714 km

• M1: 138,827 km (0.082 R)
• M2: 346,768 km (0.058 R)
• M3: 472,580 km (0.074 R)
• M4: 654,042 km (0.12 R)
• M5: 2,001,320 km (0.103 R)
• M6: 2,692,911 km (0.049 R)
• M7: 3,042,222 km (0.092 R)
• M8: 3,471,119 km (0.106 R)
• M9: 3,786,621 km (0.062 R)
• M10: 4,074,148 km (0.071 R)
• M11: 5,476,329 km (0.05 R)
• M12: 6,256,482 km (0.059 R)
• M13: 9,545,691 km (0.082 R)
• M14: 10,911,968 km (0.039 R)
• M15: 11,754,503 km (0.108 R)
• M16: 13,304,786 km (0.116 R)
• M17: 13,534,119 km (0.119 R)
• M18: 14,431,557 km (0.081 R)
• M19: 17,911,054 km (0.111 R)
• M20: 18,490,297 km (0.103 R)
• M21: 18,896,605 km (0.099 R)
• M22: 19,261,623 km (0.059 R)
• M23: 19,399,403 km (0.114 R)
• M24: 19,676,309 km (0.06 R)
• M25: 20,661,411 km (0.109 R)
• M26: 21,331,460 km (0.114 R)
• M27: 21,767,986 km (0.114 R)
• M28: 21,914,442 km (0.116 R)
• M29: 22,159,633 km (0.074 R)
• M30: 23,761,378 km (0.12 R)
• M31: 24,947,240 km (0.097 R)
• M32: 25,313,904 km (0.119 R)
• M33: 26,430,054 km (0.037 R)
• M34: 27,187,618 km (0.111 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 211 - 18,575 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit