🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.7 AU - 1.06 AU

Year: 318 Days

Day: 17.6 Hours

Environment

Temp: 19 °C

Axial Tilt: 26.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 69,449,737 km

• M1: 835,355 km (0.062 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.96 AU - 1.24 AU

Year: 444 Days

Day: 22.5 Hours

Environment

Temp: -17 °C

Axial Tilt: 29.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 69,449,737 km

• M1: 120,426 km (0.089 R)
• M2: 226,940 km (0.078 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.64 AU - 2.06 AU

Year: 969 Days

Day: 21.7 Hours

Environment

Temp: -69 °C

Axial Tilt: 31 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,449,737 km

• M1: 51,910 km (0.089 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.37 AU - 4.47 AU

Year: 2988 Days

Day: 14.4 Hours

Environment

Temp: -136 °C

Axial Tilt: 33.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.4

Radius: 12.3

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.63 AU - 5.31 AU

Year: 3639 Days

Day: 11.4 Hours

Environment

Temp: -135 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,449,737 km

• M1: 153,039 km (0.08 R)
• M2: 536,308 km (0.054 R)
• M3: 1,061,696 km (0.115 R)
• M4: 1,462,170 km (0.106 R)
• M5: 2,388,928 km (0.107 R)
• M6: 3,095,629 km (0.065 R)
• M7: 3,937,266 km (0.055 R)
• M8: 4,345,519 km (0.082 R)
• M9: 5,610,519 km (0.105 R)
• M10: 8,428,643 km (0.097 R)
• M11: 9,791,181 km (0.105 R)
• M12: 11,252,752 km (0.045 R)
• M13: 12,259,994 km (0.103 R)
• M14: 13,231,184 km (0.111 R)
• M15: 14,403,133 km (0.109 R)
• M16: 17,405,563 km (0.035 R)
• M17: 17,924,218 km (0.09 R)
• M18: 20,165,943 km (0.117 R)
• M19: 21,386,960 km (0.053 R)
• M20: 22,861,547 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948

Radius: 14.1

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.93 AU - 5.81 AU

Year: 4138 Days

Day: 14.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 69,449,737 km

• M1: 184,604 km (0.114 R)
• M2: 705,653 km (0.089 R)
• M3: 1,187,508 km (0.093 R)
• M4: 1,793,230 km (0.09 R)
• M5: 2,282,714 km (0.092 R)
• M6: 2,844,304 km (0.119 R)
• M7: 3,355,331 km (0.034 R)
• M8: 3,905,402 km (0.083 R)
• M9: 4,974,728 km (0.059 R)
• M10: 5,928,264 km (0.034 R)
• M11: 8,272,762 km (0.094 R)
• M12: 8,729,485 km (0.08 R)
• M13: 9,652,503 km (0.119 R)
• M14: 11,272,648 km (0.057 R)
• M15: 11,740,142 km (0.081 R)
• M16: 14,712,801 km (0.089 R)
• M17: 16,913,086 km (0.066 R)
• M18: 18,475,487 km (0.102 R)
• M19: 19,324,903 km (0.027 R)
• M20: 21,101,976 km (0.1 R)
• M21: 22,030,381 km (0.087 R)
• M22: 23,060,362 km (0.052 R)
• M23: 23,511,549 km (0.034 R)
• M24: 25,058,242 km (0.103 R)
• M25: 27,841,809 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.9

Radius: 11.7

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 6.22 AU - 9.82 AU

Year: 8744 Days

Day: 7.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 69,449,737 km

• M1: 146,307 km (0.05 R)
• M2: 599,139 km (0.111 R)
• M3: 1,096,552 km (0.091 R)
• M4: 1,475,484 km (0.11 R)
• M5: 1,959,433 km (0.12 R)
• M6: 2,510,701 km (0.08 R)
• M7: 3,675,919 km (0.104 R)
• M8: 4,056,645 km (0.117 R)
• M9: 6,701,835 km (0.078 R)
• M10: 7,351,987 km (0.068 R)
• M11: 9,230,937 km (0.1 R)
• M12: 9,939,133 km (0.1 R)
• M13: 10,887,883 km (0.103 R)
• M14: 12,451,031 km (0.106 R)
• M15: 12,907,454 km (0.082 R)
• M16: 14,406,275 km (0.088 R)
• M17: 16,626,756 km (0.032 R)
• M18: 17,604,229 km (0.101 R)
• M19: 20,059,429 km (0.112 R)
• M20: 23,159,845 km (0.101 R)
• M21: 26,193,091 km (0.061 R)
• M22: 26,660,435 km (0.095 R)
• M23: 28,487,324 km (0.082 R)
• M24: 30,396,193 km (0.097 R)
• M25: 32,711,370 km (0.113 R)
• M26: 33,801,639 km (0.069 R)
• M27: 37,571,804 km (0.086 R)
• M28: 39,496,979 km (0.087 R)
• M29: 43,412,404 km (0.1 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.9

Radius: 12.5

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 9.29 AU - 9.41 AU

Year: 11007 Days

Day: 11.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 69,449,737 km

• M1: 155,432 km (0.051 R)
• M2: 728,242 km (0.119 R)
• M3: 1,199,925 km (0.042 R)
• M4: 1,751,641 km (0.076 R)
• M5: 2,430,666 km (0.114 R)
• M6: 3,628,646 km (0.064 R)
• M7: 4,345,220 km (0.116 R)
• M8: 6,024,157 km (0.1 R)
• M9: 6,748,958 km (0.091 R)
• M10: 7,616,925 km (0.096 R)
• M11: 8,100,575 km (0.11 R)
• M12: 10,349,480 km (0.096 R)
• M13: 12,741,550 km (0.04 R)
• M14: 14,395,055 km (0.119 R)
• M15: 16,331,151 km (0.092 R)
• M16: 17,137,334 km (0.082 R)
• M17: 19,148,527 km (0.069 R)
• M18: 22,186,561 km (0.095 R)
• M19: 23,084,447 km (0.103 R)
• M20: 25,532,317 km (0.117 R)
• M21: 30,498,069 km (0.082 R)
• M22: 42,291,318 km (0.097 R)
• M23: 42,977,523 km (0.109 R)
• M24: 46,520,749 km (0.05 R)
• M25: 47,105,078 km (0.09 R)
• M26: 47,694,494 km (0.077 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 742.6

Radius: 4.5

Gravity: 36.67 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 11.54 AU - 13.2 AU

Year: 16750 Days

Day: 15.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 69,449,737 km

• M1: 55,950 km (0.075 R)
• M2: 299,645 km (0.115 R)
• M3: 889,359 km (0.065 R)
• M4: 1,233,883 km (0.037 R)
• M5: 1,696,440 km (0.056 R)
• M6: 1,855,612 km (0.118 R)
• M7: 3,213,362 km (0.077 R)
• M8: 3,863,664 km (0.115 R)
• M9: 4,497,211 km (0.09 R)
• M10: 5,015,717 km (0.091 R)
• M11: 6,295,527 km (0.11 R)
• M12: 7,634,877 km (0.082 R)
• M13: 9,099,590 km (0.081 R)
• M14: 9,926,268 km (0.09 R)
• M15: 10,097,407 km (0.107 R)
• M16: 10,387,029 km (0.102 R)
• M17: 11,043,764 km (0.109 R)
• M18: 11,475,802 km (0.105 R)
• M19: 11,919,061 km (0.083 R)
• M20: 15,499,237 km (0.031 R)
• M21: 17,160,970 km (0.06 R)
• M22: 19,915,815 km (0.086 R)
• M23: 22,654,802 km (0.063 R)
• M24: 22,852,421 km (0.083 R)
• M25: 23,051,237 km (0.078 R)
• M26: 24,475,408 km (0.062 R)
• M27: 24,787,918 km (0.114 R)
• M28: 26,065,185 km (0.084 R)
• M29: 29,214,519 km (0.078 R)
• M30: 31,001,616 km (0.115 R)
• M31: 32,232,806 km (0.08 R)
• M32: 37,071,400 km (0.098 R)
• M33: 38,738,967 km (0.112 R)
• M34: 42,822,989 km (0.084 R)
• M35: 57,326,203 km (0.077 R)
• M36: 58,062,075 km (0.115 R)
• M37: 63,194,180 km (0.095 R)
• M38: 65,368,884 km (0.067 R)
• M39: 65,568,896 km (0.118 R)
• M40: 67,388,605 km (0.093 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: 442 - 15,941 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit