🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.7

Radius: 11.8

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.48 AU - 0.76 AU

Year: 331 Days

Day: 9.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 62,647,518 km

• M1: 148,700 km (0.09 R)
• M2: 538,253 km (0.074 R)
• M3: 1,283,699 km (0.07 R)
• M4: 1,733,391 km (0.116 R)
• M5: 2,192,506 km (0.115 R)
• M6: 2,732,704 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.3

Radius: 10.8

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.82 AU - 1.1 AU

Year: 638 Days

Day: 5.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,647,518 km

• M1: 134,339 km (0.05 R)
• M2: 480,060 km (0.113 R)
• M3: 1,012,778 km (0.117 R)
• M4: 1,453,044 km (0.108 R)
• M5: 1,889,571 km (0.098 R)
• M6: 2,246,511 km (0.056 R)
• M7: 2,628,584 km (0.098 R)
• M8: 3,031,750 km (0.108 R)
• M9: 3,391,085 km (0.105 R)
• M10: 3,990,822 km (0.088 R)
• M11: 4,395,185 km (0.095 R)
• M12: 4,735,371 km (0.082 R)
• M13: 5,519,264 km (0.077 R)
• M14: 6,185,124 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.4

Radius: 10.5

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.1 AU - 1.64 AU

Year: 1088 Days

Day: 14.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 62,647,518 km

• M1: 140,173 km (0.105 R)
• M2: 573,409 km (0.042 R)
• M3: 968,048 km (0.086 R)
• M4: 1,513,482 km (0.073 R)
• M5: 2,635,765 km (0.101 R)
• M6: 4,962,760 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.8

Radius: 12.3

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.12 AU - 1.72 AU

Year: 1148 Days

Day: 12.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,647,518 km

• M1: 153,039 km (0.094 R)
• M2: 609,761 km (0.102 R)
• M3: 1,025,344 km (0.059 R)
• M4: 1,430,006 km (0.049 R)
• M5: 2,187,270 km (0.106 R)
• M6: 2,614,223 km (0.088 R)
• M7: 3,288,311 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.4

Radius: 14.7

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.93 AU - 2.07 AU

Year: 1918 Days

Day: 8.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,647,518 km

• M1: 183,557 km (0.103 R)
• M2: 807,081 km (0.066 R)
• M3: 1,447,060 km (0.032 R)
• M4: 2,336,569 km (0.091 R)
• M5: 3,140,359 km (0.062 R)
• M6: 4,052,606 km (0.075 R)
• M7: 5,114,901 km (0.104 R)
• M8: 5,846,135 km (0.098 R)
• M9: 6,869,833 km (0.114 R)
• M10: 7,571,896 km (0.08 R)
• M11: 8,908,104 km (0.103 R)
• M12: 11,217,596 km (0.103 R)
• M13: 12,835,348 km (0.116 R)
• M14: 13,342,036 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.4

Radius: 14.2

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.94 AU - 2.6 AU

Year: 2320 Days

Day: 8.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,647,518 km

• M1: 176,525 km (0.067 R)
• M2: 619,036 km (0.109 R)
• M3: 1,120,039 km (0.107 R)
• M4: 1,759,271 km (0.102 R)
• M5: 5,117,444 km (0.108 R)
• M6: 5,990,348 km (0.103 R)
• M7: 8,674,881 km (0.11 R)
• M8: 9,525,196 km (0.113 R)
• M9: 11,392,476 km (0.1 R)
• M10: 11,915,620 km (0.079 R)
• M11: 13,492,980 km (0.099 R)
• M12: 14,124,881 km (0.12 R)
• M13: 14,823,653 km (0.076 R)
• M14: 15,594,531 km (0.104 R)
• M15: 18,449,307 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.8

Radius: 10.9

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.88 AU - 4.22 AU

Year: 4537 Days

Day: 13.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,647,518 km

• M1: 141,819 km (0.103 R)
• M2: 579,991 km (0.12 R)
• M3: 1,093,560 km (0.082 R)
• M4: 1,595,012 km (0.098 R)
• M5: 1,993,242 km (0.092 R)
• M6: 3,159,507 km (0.094 R)
• M7: 3,816,840 km (0.11 R)
• M8: 6,681,938 km (0.069 R)
• M9: 7,358,719 km (0.113 R)
• M10: 8,045,074 km (0.062 R)
• M11: 9,115,597 km (0.117 R)
• M12: 10,961,036 km (0.096 R)
• M13: 13,843,937 km (0.113 R)
• M14: 14,570,683 km (0.106 R)
• M15: 15,597,523 km (0.118 R)
• M16: 16,499,149 km (0.109 R)
• M17: 17,316,253 km (0.11 R)
• M18: 19,412,717 km (0.119 R)
• M19: 21,742,255 km (0.103 R)
• M20: 22,159,633 km (0.085 R)
• M21: 25,692,985 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 908.2

Radius: 5.5

Gravity: 30.02 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 5.73 AU - 9.25 AU

Year: 13903 Days

Day: 19.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 62,647,518 km

• M1: 74,799 km (0.065 R)
• M2: 260,001 km (0.106 R)
• M3: 845,078 km (0.099 R)
• M4: 1,387,071 km (0.115 R)
• M5: 2,531,944 km (0.117 R)
• M6: 3,307,459 km (0.042 R)
• M7: 4,293,608 km (0.098 R)
• M8: 4,957,973 km (0.102 R)
• M9: 5,351,265 km (0.096 R)
• M10: 5,765,203 km (0.097 R)
• M11: 6,159,692 km (0.102 R)
• M12: 8,308,516 km (0.064 R)
• M13: 8,507,481 km (0.111 R)
• M14: 10,793,038 km (0.069 R)
• M15: 11,514,399 km (0.111 R)
• M16: 12,076,288 km (0.068 R)
• M17: 12,331,652 km (0.087 R)
• M18: 14,011,037 km (0.046 R)
• M19: 17,488,589 km (0.1 R)
• M20: 19,078,964 km (0.03 R)
• M21: 21,315,004 km (0.067 R)
• M22: 22,352,016 km (0.118 R)
• M23: 23,323,654 km (0.107 R)
• M24: 24,833,247 km (0.094 R)
• M25: 25,039,243 km (0.103 R)
• M26: 32,993,062 km (0.117 R)
• M27: 35,150,712 km (0.102 R)
• M28: 37,943,555 km (0.081 R)
• M29: 40,026,705 km (0.084 R)
• M30: 40,310,193 km (0.058 R)
• M31: 41,457,160 km (0.071 R)
• M32: 44,571,190 km (0.082 R)
• M33: 47,045,838 km (0.095 R)
• M34: 48,316,821 km (0.106 R)
• M35: 48,638,157 km (0.04 R)
• M36: 49,773,904 km (0.089 R)
• M37: 50,927,304 km (0.069 R)
• M38: 51,929,909 km (0.041 R)
• M39: 52,267,102 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 489.5

Radius: 3.5

Gravity: 39.96 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 7.74 AU - 9.84 AU

Year: 17676 Days

Day: 20.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,647,518 km

• M1: 43,533 km (0.07 R)
• M2: 197,619 km (0.105 R)
• M3: 598,840 km (0.103 R)
• M4: 835,355 km (0.045 R)
• M5: 2,704,730 km (0.107 R)
• M6: 7,363,806 km (0.067 R)
• M7: 8,644,513 km (0.079 R)
• M8: 10,066,590 km (0.048 R)
• M9: 15,697,454 km (0.095 R)
• M10: 24,197,904 km (0.07 R)
• M11: 31,262,664 km (0.102 R)
• M12: 37,681,759 km (0.085 R)
• M13: 42,706,452 km (0.085 R)
• M14: 43,585,040 km (0.068 R)
• M15: 51,052,069 km (0.095 R)
• M16: 52,041,359 km (0.057 R)
• M17: 57,180,495 km (0.092 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 301 - 17,105 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit