🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.5 AU - 0.56 AU

Year: 249 Days

Day: 26 Hours

Environment

Temp: -123 °C

Axial Tilt: 42.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.6

Radius: 8.4

Gravity: 9.67 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.59 AU - 0.93 AU

Year: 428 Days

Day: 5.6 Hours

Environment

Temp: -133 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 87,473,210 km

• M1: 111,750 km (0.051 R)
• M2: 395,836 km (0.109 R)
• M3: 752,627 km (0.093 R)
• M4: 1,164,021 km (0.116 R)
• M5: 1,455,438 km (0.12 R)
• M6: 1,773,184 km (0.035 R)
• M7: 2,102,748 km (0.092 R)
• M8: 2,425,729 km (0.105 R)
• M9: 2,689,620 km (0.095 R)
• M10: 3,005,421 km (0.099 R)
• M11: 3,775,701 km (0.066 R)
• M12: 4,597,891 km (0.09 R)
• M13: 4,866,568 km (0.1 R)
• M14: 5,321,495 km (0.115 R)
• M15: 5,651,658 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.9

Radius: 9.3

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.88 AU - 1.18 AU

Year: 675 Days

Day: 9.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 129.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 87,473,210 km

• M1: 115,639 km (0.077 R)
• M2: 467,194 km (0.067 R)
• M3: 757,564 km (0.093 R)
• M4: 1,305,092 km (0.054 R)
• M5: 1,657,844 km (0.075 R)
• M6: 2,475,546 km (0.079 R)
• M7: 2,825,156 km (0.077 R)
• M8: 3,481,591 km (0.115 R)
• M9: 3,833,745 km (0.115 R)
• M10: 4,236,462 km (0.119 R)
• M11: 5,407,514 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.3

Radius: 11.8

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.11 AU - 2.55 AU

Year: 2296 Days

Day: 14.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 87,473,210 km

• M1: 147,504 km (0.107 R)
• M2: 673,490 km (0.057 R)
• M3: 3,898,820 km (0.113 R)
• M4: 5,155,741 km (0.116 R)
• M5: 5,531,381 km (0.12 R)
• M6: 5,948,909 km (0.095 R)
• M7: 6,614,919 km (0.082 R)
• M8: 7,440,250 km (0.067 R)
• M9: 8,154,879 km (0.061 R)
• M10: 9,989,099 km (0.09 R)
• M11: 12,789,870 km (0.113 R)
• M12: 14,069,829 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.5

Radius: 12.5

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.19 AU - 3.15 AU

Year: 2817 Days

Day: 6.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 87,473,210 km

• M1: 155,432 km (0.074 R)
• M2: 556,055 km (0.117 R)
• M3: 999,763 km (0.09 R)
• M4: 1,507,348 km (0.11 R)
• M5: 2,148,375 km (0.1 R)
• M6: 2,633,371 km (0.051 R)
• M7: 5,943,673 km (0.094 R)
• M8: 6,334,123 km (0.058 R)
• M9: 7,312,344 km (0.104 R)
• M10: 10,290,090 km (0.055 R)
• M11: 11,842,766 km (0.102 R)
• M12: 14,503,813 km (0.053 R)
• M13: 17,434,884 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.5

Radius: 8

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.21 AU - 3.15 AU

Year: 2833 Days

Day: 12.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 87,473,210 km

• M1: 99,632 km (0.118 R)
• M2: 357,539 km (0.116 R)
• M3: 620,083 km (0.094 R)
• M4: 1,177,934 km (0.093 R)
• M5: 1,460,075 km (0.086 R)
• M6: 1,776,176 km (0.086 R)
• M7: 2,621,254 km (0.045 R)
• M8: 3,844,366 km (0.097 R)
• M9: 4,305,277 km (0.079 R)
• M10: 4,757,960 km (0.108 R)
• M11: 6,041,959 km (0.079 R)
• M12: 8,660,370 km (0.107 R)
• M13: 9,775,772 km (0.116 R)
• M14: 10,105,935 km (0.094 R)
• M15: 11,260,980 km (0.061 R)
• M16: 12,587,464 km (0.111 R)
• M17: 13,422,669 km (0.061 R)
• M18: 14,815,874 km (0.116 R)
• M19: 17,188,496 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.7

Radius: 13.2

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.65 AU - 3.79 AU

Year: 4633 Days

Day: 14.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 87,473,210 km

• M1: 164,258 km (0.069 R)
• M2: 816,206 km (0.047 R)
• M3: 1,231,190 km (0.076 R)
• M4: 1,674,898 km (0.091 R)
• M5: 2,170,665 km (0.1 R)
• M6: 2,814,684 km (0.078 R)
• M7: 3,426,988 km (0.075 R)
• M8: 4,797,604 km (0.095 R)
• M9: 5,981,671 km (0.108 R)
• M10: 6,446,920 km (0.094 R)
• M11: 7,516,395 km (0.069 R)
• M12: 8,700,762 km (0.074 R)
• M13: 12,295,748 km (0.108 R)
• M14: 13,002,748 km (0.101 R)
• M15: 13,587,675 km (0.071 R)
• M16: 14,343,593 km (0.104 R)
• M17: 16,780,244 km (0.119 R)
• M18: 17,298,899 km (0.064 R)
• M19: 17,709,546 km (0.112 R)
• M20: 18,307,638 km (0.055 R)
• M21: 18,981,127 km (0.104 R)
• M22: 21,301,241 km (0.076 R)
• M23: 23,019,821 km (0.034 R)
• M24: 24,021,678 km (0.091 R)

Asteroid Belt

Center: 4.06 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.6

Radius: 11.9

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 4.07 AU - 4.71 AU

Year: 5939 Days

Day: 13.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 87,473,210 km

• M1: 148,102 km (0.049 R)
• M2: 753,973 km (0.119 R)
• M3: 1,145,920 km (0.118 R)
• M4: 1,634,506 km (0.106 R)
• M5: 2,048,593 km (0.09 R)
• M6: 2,474,199 km (0.072 R)
• M7: 3,563,122 km (0.111 R)
• M8: 4,058,740 km (0.091 R)
• M9: 6,840,363 km (0.084 R)
• M10: 7,295,140 km (0.106 R)
• M11: 8,367,159 km (0.089 R)
• M12: 9,467,152 km (0.1 R)
• M13: 10,781,967 km (0.098 R)
• M14: 11,357,321 km (0.084 R)
• M15: 14,350,774 km (0.111 R)
• M16: 15,818,928 km (0.091 R)
• M17: 18,349,525 km (0.116 R)
• M18: 19,409,576 km (0.116 R)
• M19: 21,458,468 km (0.051 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 781.8

Radius: 7.1

Gravity: 15.51 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 8.16 AU - 13.54 AU

Year: 23076 Days

Day: 18.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 87,473,210 km

• M1: 88,263 km (0.078 R)
• M2: 383,270 km (0.035 R)
• M3: 687,701 km (0.066 R)
• M4: 1,179,430 km (0.089 R)
• M5: 1,571,675 km (0.097 R)
• M6: 2,047,995 km (0.109 R)
• M7: 2,471,357 km (0.117 R)
• M8: 2,978,643 km (0.089 R)
• M9: 3,228,621 km (0.12 R)
• M10: 3,834,941 km (0.112 R)
• M11: 6,655,460 km (0.057 R)
• M12: 6,987,717 km (0.1 R)
• M13: 9,873,609 km (0.086 R)
• M14: 14,234,088 km (0.072 R)
• M15: 18,869,228 km (0.113 R)
• M16: 20,315,840 km (0.062 R)
• M17: 20,613,689 km (0.111 R)
• M18: 23,646,038 km (0.046 R)
• M19: 24,197,306 km (0.103 R)
• M20: 25,097,137 km (0.089 R)
• M21: 27,323,153 km (0.116 R)
• M22: 30,969,602 km (0.092 R)
• M23: 37,101,469 km (0.062 R)
• M24: 37,995,765 km (0.088 R)
• M25: 39,982,425 km (0.116 R)
• M26: 43,995,687 km (0.095 R)
• M27: 44,494,595 km (0.096 R)
• M28: 45,673,576 km (0.108 R)
• M29: 46,356,491 km (0.037 R)
• M30: 51,512,680 km (0.107 R)
• M31: 60,659,543 km (0.107 R)
• M32: 64,004,551 km (0.073 R)
• M33: 64,645,129 km (0.106 R)
• M34: 65,074,475 km (0.074 R)
• M35: 66,592,445 km (0.116 R)
• M36: 73,365,937 km (0.088 R)
• M37: 79,349,852 km (0.1 R)
• M38: 81,581,254 km (0.03 R)
• M39: 85,650,914 km (0.093 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 198 - 13,485 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit