🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.49 AU - 0.71 AU

Year: 305 Days

Day: 33.4 Hours

Environment

Temp: -133 °C

Axial Tilt: 49.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.19 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.3

Radius: 13.4

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.63 AU - 1.93 AU

Year: 1558 Days

Day: 10.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 23,570,389 km

• M1: 166,802 km (0.076 R)
• M2: 846,574 km (0.102 R)
• M3: 1,525,749 km (0.113 R)
• M4: 2,101,700 km (0.052 R)
• M5: 3,170,727 km (0.104 R)
• M6: 3,599,175 km (0.104 R)
• M7: 4,048,717 km (0.093 R)
• M8: 5,405,869 km (0.104 R)
• M9: 5,857,953 km (0.1 R)
• M10: 6,286,402 km (0.091 R)
• M11: 6,942,388 km (0.116 R)
• M12: 7,588,202 km (0.116 R)
• M13: 8,571,360 km (0.1 R)
• M14: 9,735,979 km (0.101 R)
• M15: 10,790,794 km (0.107 R)
• M16: 11,621,511 km (0.12 R)
• M17: 12,494,564 km (0.106 R)
• M18: 13,574,660 km (0.087 R)
• M19: 14,286,148 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.9

Radius: 15

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.73 AU - 2.45 AU

Year: 1982 Days

Day: 7.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 23,570,389 km

• M1: 186,549 km (0.095 R)
• M2: 664,813 km (0.06 R)
• M3: 1,292,226 km (0.09 R)
• M4: 1,796,072 km (0.112 R)
• M5: 2,360,954 km (0.103 R)
• M6: 3,450,176 km (0.095 R)
• M7: 4,913,243 km (0.082 R)
• M8: 5,967,309 km (0.087 R)
• M9: 7,012,400 km (0.119 R)
• M10: 7,484,830 km (0.081 R)
• M11: 8,233,568 km (0.113 R)
• M12: 8,880,130 km (0.094 R)
• M13: 9,751,986 km (0.104 R)
• M14: 10,680,241 km (0.034 R)
• M15: 12,370,098 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.3

Radius: 13.9

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.86 AU - 2.36 AU

Year: 2011 Days

Day: 10.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 23,570,389 km

• M1: 173,534 km (0.094 R)
• M2: 638,334 km (0.119 R)
• M3: 1,238,820 km (0.086 R)
• M4: 1,837,211 km (0.065 R)
• M5: 2,723,130 km (0.092 R)
• M6: 4,043,032 km (0.091 R)
• M7: 5,181,322 km (0.116 R)
• M8: 5,707,009 km (0.029 R)
• M9: 6,192,903 km (0.113 R)
• M10: 7,055,335 km (0.096 R)
• M11: 7,501,735 km (0.11 R)
• M12: 9,215,079 km (0.077 R)
• M13: 10,553,831 km (0.086 R)
• M14: 11,707,679 km (0.09 R)
• M15: 12,295,449 km (0.114 R)
• M16: 14,845,943 km (0.034 R)
• M17: 15,675,463 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.9

Radius: 8.9

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.13 AU - 3.27 AU

Year: 2910 Days

Day: 5.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 23,570,389 km

• M1: 110,852 km (0.093 R)
• M2: 620,831 km (0.072 R)
• M3: 1,142,180 km (0.047 R)
• M4: 1,713,045 km (0.032 R)
• M5: 2,175,003 km (0.115 R)
• M6: 2,732,854 km (0.086 R)
• M7: 3,609,647 km (0.062 R)
• M8: 4,231,376 km (0.095 R)
• M9: 6,034,629 km (0.104 R)
• M10: 6,609,234 km (0.067 R)
• M11: 7,538,985 km (0.076 R)
• M12: 7,867,502 km (0.058 R)
• M13: 9,656,243 km (0.083 R)
• M14: 10,332,725 km (0.092 R)
• M15: 11,002,325 km (0.119 R)
• M16: 11,859,820 km (0.09 R)
• M17: 12,929,744 km (0.073 R)
• M18: 14,653,560 km (0.06 R)
• M19: 15,594,531 km (0.054 R)
• M20: 16,776,204 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.4

Radius: 8

Gravity: 11.21 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.69 AU - 3.13 AU

Year: 3256 Days

Day: 9.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 23,570,389 km

• M1: 99,483 km (0.106 R)
• M2: 385,963 km (0.071 R)
• M3: 658,979 km (0.064 R)
• M4: 1,319,004 km (0.086 R)
• M5: 1,634,806 km (0.037 R)
• M6: 2,189,963 km (0.112 R)
• M7: 2,542,565 km (0.109 R)
• M8: 2,814,983 km (0.064 R)
• M9: 3,142,602 km (0.097 R)
• M10: 4,645,313 km (0.097 R)
• M11: 4,907,558 km (0.084 R)
• M12: 8,769,577 km (0.055 R)
• M13: 9,134,296 km (0.096 R)
• M14: 10,736,789 km (0.052 R)
• M15: 11,410,278 km (0.08 R)
• M16: 12,610,053 km (0.052 R)
• M17: 13,503,302 km (0.111 R)
• M18: 13,891,808 km (0.094 R)
• M19: 15,050,443 km (0.049 R)
• M20: 15,468,121 km (0.12 R)
• M21: 18,972,002 km (0.086 R)
• M22: 22,426,516 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.9

Radius: 11.3

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.97 AU - 3.63 AU

Year: 3933 Days

Day: 8.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 23,570,389 km

• M1: 140,772 km (0.052 R)
• M2: 758,611 km (0.103 R)
• M3: 1,244,056 km (0.098 R)
• M4: 1,983,668 km (0.111 R)
• M5: 2,431,265 km (0.025 R)
• M6: 3,185,986 km (0.045 R)
• M7: 3,551,753 km (0.035 R)
• M8: 4,435,128 km (0.05 R)
• M9: 5,986,159 km (0.058 R)
• M10: 6,346,839 km (0.09 R)
• M11: 6,751,352 km (0.076 R)
• M12: 7,937,513 km (0.06 R)
• M13: 8,476,664 km (0.118 R)
• M14: 9,703,516 km (0.117 R)
• M15: 13,471,887 km (0.067 R)
• M16: 15,653,921 km (0.111 R)
• M17: 16,829,012 km (0.116 R)
• M18: 17,326,276 km (0.082 R)
• M19: 18,408,317 km (0.106 R)
• M20: 19,656,113 km (0.079 R)
• M21: 21,150,446 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 827.5

Radius: 4.3

Gravity: 44.75 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 7.09 AU - 9.15 AU

Year: 15179 Days

Day: 19.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 23,570,389 km

• M1: 53,406 km (0.041 R)
• M2: 258,804 km (0.055 R)
• M3: 508,334 km (0.086 R)
• M4: 677,379 km (0.107 R)
• M5: 996,471 km (0.064 R)
• M6: 1,872,517 km (0.117 R)
• M7: 3,634,779 km (0.098 R)
• M8: 4,462,953 km (0.05 R)
• M9: 4,730,883 km (0.097 R)
• M10: 5,044,889 km (0.12 R)
• M11: 7,003,574 km (0.11 R)
• M12: 7,504,278 km (0.116 R)
• M13: 8,374,339 km (0.031 R)
• M14: 9,255,770 km (0.108 R)
• M15: 10,780,322 km (0.032 R)
• M16: 13,335,005 km (0.06 R)
• M17: 15,878,019 km (0.08 R)
• M18: 18,812,830 km (0.082 R)
• M19: 20,316,438 km (0.079 R)
• M20: 25,940,420 km (0.085 R)
• M21: 27,354,120 km (0.1 R)
• M22: 34,161,123 km (0.092 R)
• M23: 46,122,071 km (0.087 R)
• M24: 59,102,528 km (0.1 R)
• M25: 66,020,233 km (0.06 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 14.9

Radius: 3.2

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 9.5 AU - 12.16 AU

Year: 23380 Days

Day: 20.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 23,570,389 km

• M1: 41,439 km (0.039 R)
• M2: 163,810 km (0.043 R)
• M3: 290,369 km (0.098 R)
• M4: 796,459 km (0.064 R)
• M5: 2,227,213 km (0.068 R)
• M6: 2,451,760 km (0.11 R)
• M7: 4,971,436 km (0.06 R)
• M8: 5,979,726 km (0.057 R)
• M9: 9,887,522 km (0.04 R)
• M10: 10,450,907 km (0.106 R)
• M11: 14,086,285 km (0.115 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 239 - 15,148 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit