🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.1

Radius: 8.4

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.68 AU - 0.9 AU

Year: 468 Days

Day: 12.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,309,284 km

• M1: 104,419 km (0.039 R)
• M2: 553,363 km (0.114 R)
• M3: 888,312 km (0.081 R)
• M4: 1,151,754 km (0.025 R)
• M5: 2,605,845 km (0.097 R)
• M6: 3,131,682 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.7

Radius: 12.3

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.84 AU - 0.98 AU

Year: 579 Days

Day: 5.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,309,284 km

• M1: 153,039 km (0.084 R)
• M2: 575,503 km (0.104 R)
• M3: 1,021,005 km (0.091 R)
• M4: 1,432,549 km (0.096 R)
• M5: 2,490,206 km (0.062 R)
• M6: 3,009,610 km (0.071 R)
• M7: 3,809,809 km (0.094 R)
• M8: 4,763,495 km (0.066 R)
• M9: 5,514,028 km (0.11 R)
• M10: 6,362,098 km (0.111 R)
• M11: 6,754,344 km (0.036 R)
• M12: 7,162,746 km (0.03 R)
• M13: 7,864,659 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.9

Radius: 14

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1 AU - 1.46 AU

Year: 910 Days

Day: 11.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,309,284 km

• M1: 174,132 km (0.097 R)
• M2: 778,507 km (0.067 R)
• M3: 1,372,261 km (0.072 R)
• M4: 2,163,634 km (0.084 R)
• M5: 3,112,384 km (0.104 R)
• M6: 4,290,467 km (0.112 R)
• M7: 5,027,386 km (0.07 R)
• M8: 5,551,577 km (0.109 R)
• M9: 6,754,942 km (0.112 R)
• M10: 7,465,981 km (0.048 R)
• M11: 8,075,443 km (0.028 R)
• M12: 8,665,157 km (0.107 R)
• M13: 9,228,693 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.6

Radius: 10.8

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.43 AU - 2.55 AU

Year: 2620 Days

Day: 5.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,309,284 km

• M1: 135,236 km (0.091 R)
• M2: 494,122 km (0.063 R)
• M3: 1,232,986 km (0.107 R)
• M4: 1,742,965 km (0.113 R)
• M5: 2,353,324 km (0.074 R)
• M6: 2,757,089 km (0.049 R)
• M7: 3,555,792 km (0.047 R)
• M8: 4,638,731 km (0.115 R)
• M9: 5,150,056 km (0.079 R)
• M10: 5,519,114 km (0.057 R)
• M11: 6,383,790 km (0.077 R)
• M12: 8,529,771 km (0.074 R)
• M13: 8,924,261 km (0.118 R)
• M14: 10,248,801 km (0.097 R)
• M15: 13,083,531 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.2

Radius: 12.9

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 4.76 AU - 5.74 AU

Year: 8022 Days

Day: 13.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,309,284 km

• M1: 165,306 km (0.058 R)
• M2: 959,521 km (0.109 R)
• M3: 2,283,761 km (0.082 R)
• M4: 3,683,399 km (0.106 R)
• M5: 5,100,839 km (0.119 R)
• M6: 9,394,597 km (0.095 R)
• M7: 10,056,717 km (0.111 R)
• M8: 13,404,867 km (0.075 R)
• M9: 16,919,370 km (0.084 R)
• M10: 18,315,267 km (0.088 R)
• M11: 20,102,663 km (0.04 R)
• M12: 20,680,410 km (0.114 R)
• M13: 21,667,905 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 366.4

Radius: 3.5

Gravity: 29.91 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 6.52 AU - 7.1 AU

Year: 11851 Days

Day: 20.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 66,309,284 km

• M1: 43,683 km (0.08 R)
• M2: 187,596 km (0.076 R)
• M3: 342,130 km (0.103 R)
• M4: 476,170 km (0.1 R)
• M5: 968,646 km (0.093 R)
• M6: 1,207,105 km (0.089 R)
• M7: 1,565,542 km (0.054 R)
• M8: 1,925,923 km (0.114 R)
• M9: 2,125,636 km (0.05 R)
• M10: 2,956,652 km (0.098 R)
• M11: 3,314,790 km (0.046 R)
• M12: 3,651,385 km (0.068 R)
• M13: 4,252,918 km (0.074 R)
• M14: 4,448,592 km (0.085 R)
• M15: 4,620,929 km (0.099 R)
• M16: 4,827,523 km (0.063 R)
• M17: 5,649,713 km (0.084 R)
• M18: 7,770,263 km (0.049 R)
• M19: 8,938,323 km (0.12 R)
• M20: 10,268,099 km (0.105 R)
• M21: 11,887,944 km (0.088 R)
• M22: 12,902,667 km (0.051 R)
• M23: 13,018,755 km (0.078 R)
• M24: 13,431,046 km (0.104 R)
• M25: 14,343,444 km (0.065 R)
• M26: 15,361,457 km (0.029 R)
• M27: 17,898,338 km (0.104 R)
• M28: 18,042,850 km (0.066 R)
• M29: 18,926,674 km (0.089 R)
• M30: 19,455,353 km (0.11 R)
• M31: 20,621,318 km (0.033 R)
• M32: 21,424,061 km (0.049 R)
• M33: 27,730,957 km (0.109 R)
• M34: 28,412,675 km (0.085 R)
• M35: 30,114,351 km (0.111 R)
• M36: 35,968,564 km (0.069 R)
• M37: 39,772,090 km (0.095 R)
• M38: 40,141,896 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 452.4

Radius: 3.8

Gravity: 31.33 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 8.58 AU - 10.74 AU

Year: 20021 Days

Day: 17.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 66,309,284 km

• M1: 49,218 km (0.087 R)
• M2: 266,434 km (0.085 R)
• M3: 569,369 km (0.044 R)
• M4: 1,185,264 km (0.118 R)
• M5: 2,343,002 km (0.107 R)
• M6: 3,711,972 km (0.096 R)
• M7: 3,917,669 km (0.116 R)
• M8: 4,130,996 km (0.082 R)
• M9: 5,925,721 km (0.055 R)
• M10: 6,795,932 km (0.079 R)
• M11: 10,892,221 km (0.074 R)
• M12: 11,497,943 km (0.06 R)
• M13: 13,587,077 km (0.057 R)
• M14: 15,310,444 km (0.079 R)
• M15: 16,774,110 km (0.109 R)
• M16: 18,667,570 km (0.066 R)
• M17: 23,763,173 km (0.112 R)
• M18: 30,180,323 km (0.1 R)
• M19: 33,593,249 km (0.047 R)
• M20: 35,523,062 km (0.049 R)
• M21: 36,182,489 km (0.095 R)
• M22: 37,798,296 km (0.119 R)
• M23: 38,347,320 km (0.106 R)
• M24: 47,075,608 km (0.101 R)
• M25: 53,173,815 km (0.12 R)
• M26: 59,222,955 km (0.026 R)
• M27: 63,372,052 km (0.107 R)
• M28: 64,536,222 km (0.088 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 163 - 15,810 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit