🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.7

Radius: 9.9

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.56 AU - 0.82 AU

Year: 389 Days

Day: 7.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,260,835 km

• M1: 123,269 km (0.076 R)
• M2: 308,920 km (0.087 R)
• M3: 493,972 km (0.065 R)
• M4: 714,180 km (0.109 R)
• M5: 985,551 km (0.095 R)
• M6: 1,265,448 km (0.037 R)
• M7: 1,469,649 km (0.091 R)
• M8: 1,699,581 km (0.086 R)
• M9: 2,036,177 km (0.109 R)
• M10: 2,570,989 km (0.104 R)
• M11: 3,234,605 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.9

Radius: 11.1

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.77 AU - 0.87 AU

Year: 504 Days

Day: 12.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,260,835 km

• M1: 138,079 km (0.056 R)
• M2: 357,240 km (0.044 R)
• M3: 611,107 km (0.111 R)
• M4: 819,796 km (0.112 R)
• M5: 1,166,564 km (0.109 R)
• M6: 1,868,178 km (0.099 R)
• M7: 2,177,247 km (0.081 R)
• M8: 2,487,962 km (0.091 R)
• M9: 3,175,215 km (0.049 R)
• M10: 3,530,360 km (0.118 R)
• M11: 3,748,474 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.4

Radius: 12.6

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.8 AU - 0.94 AU

Year: 550 Days

Day: 5.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,260,835 km

• M1: 159,621 km (0.112 R)
• M2: 574,755 km (0.066 R)
• M3: 907,311 km (0.025 R)
• M4: 1,186,162 km (0.052 R)
• M5: 1,581,249 km (0.074 R)
• M6: 1,909,318 km (0.08 R)
• M7: 2,384,440 km (0.086 R)
• M8: 2,708,170 km (0.102 R)
• M9: 3,106,400 km (0.106 R)
• M10: 3,979,303 km (0.045 R)
• M11: 4,765,590 km (0.047 R)
• M12: 5,146,316 km (0.087 R)
• M13: 6,353,272 km (0.094 R)
• M14: 6,623,446 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.9

Radius: 15

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.96 AU - 0.98 AU

Year: 648 Days

Day: 5 Hours

Environment

Temp: -167 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,260,835 km

• M1: 186,848 km (0.093 R)
• M2: 761,752 km (0.039 R)
• M3: 1,093,112 km (0.084 R)
• M4: 1,430,754 km (0.092 R)
• M5: 1,843,046 km (0.091 R)
• M6: 2,124,739 km (0.104 R)
• M7: 2,745,869 km (0.044 R)
• M8: 3,083,960 km (0.103 R)
• M9: 3,718,405 km (0.088 R)
• M10: 4,955,579 km (0.048 R)
• M11: 5,312,520 km (0.069 R)
• M12: 5,682,475 km (0.065 R)
• M13: 6,755,391 km (0.1 R)
• M14: 7,305,612 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.4

Radius: 13.6

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.14 AU - 1.5 AU

Year: 1029 Days

Day: 14.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,260,835 km

• M1: 176,077 km (0.112 R)
• M2: 435,479 km (0.082 R)
• M3: 775,815 km (0.104 R)
• M4: 1,227,750 km (0.064 R)
• M5: 1,567,935 km (0.083 R)
• M6: 1,929,962 km (0.07 R)
• M7: 2,249,503 km (0.094 R)
• M8: 2,862,256 km (0.111 R)
• M9: 3,310,750 km (0.07 R)
• M10: 4,590,111 km (0.064 R)
• M11: 4,919,526 km (0.111 R)
• M12: 5,203,014 km (0.067 R)
• M13: 5,583,890 km (0.092 R)
• M14: 6,744,022 km (0.09 R)
• M15: 7,127,441 km (0.09 R)
• M16: 7,767,271 km (0.081 R)
• M17: 8,601,728 km (0.082 R)
• M18: 10,421,885 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.2

Radius: 8.5

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.23 AU - 1.49 AU

Year: 1076 Days

Day: 11.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,260,835 km

• M1: 106,214 km (0.053 R)
• M2: 266,135 km (0.103 R)
• M3: 701,764 km (0.069 R)
• M4: 980,614 km (0.111 R)
• M5: 1,199,925 km (0.119 R)
• M6: 1,918,593 km (0.095 R)
• M7: 2,646,835 km (0.083 R)
• M8: 4,189,937 km (0.111 R)
• M9: 4,593,403 km (0.087 R)
• M10: 4,853,853 km (0.102 R)
• M11: 5,530,932 km (0.1 R)
• M12: 6,110,175 km (0.056 R)
• M13: 6,517,231 km (0.103 R)
• M14: 7,034,241 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 948.5

Radius: 5.5

Gravity: 31.36 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 6.05 AU - 9.99 AU

Year: 15405 Days

Day: 18 Hours

Environment

Temp: -225 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 71,260,835 km

• M1: 75,547 km (0.098 R)
• M2: 260,899 km (0.101 R)
• M3: 570,716 km (0.075 R)
• M4: 898,784 km (0.1 R)
• M5: 1,308,832 km (0.063 R)
• M6: 1,463,815 km (0.074 R)
• M7: 1,585,887 km (0.107 R)
• M8: 1,890,917 km (0.076 R)
• M9: 2,298,721 km (0.066 R)
• M10: 4,033,607 km (0.115 R)
• M11: 4,697,672 km (0.106 R)
• M12: 4,918,030 km (0.069 R)
• M13: 8,153,682 km (0.116 R)
• M14: 9,814,668 km (0.116 R)
• M15: 13,416,236 km (0.113 R)
• M16: 15,461,987 km (0.091 R)
• M17: 17,866,474 km (0.081 R)
• M18: 18,731,000 km (0.101 R)
• M19: 21,997,469 km (0.065 R)
• M20: 24,182,945 km (0.061 R)
• M21: 25,357,138 km (0.084 R)
• M22: 26,995,085 km (0.096 R)
• M23: 28,594,436 km (0.101 R)
• M24: 34,952,645 km (0.111 R)
• M25: 35,754,639 km (0.078 R)
• M26: 37,488,927 km (0.084 R)
• M27: 40,649,930 km (0.119 R)
• M28: 42,497,913 km (0.076 R)
• M29: 48,641,299 km (0.118 R)
• M30: 49,349,495 km (0.091 R)
• M31: 49,467,977 km (0.11 R)
• M32: 51,021,999 km (0.109 R)
• M33: 51,142,426 km (0.115 R)
• M34: 52,844,849 km (0.112 R)
• M35: 60,456,688 km (0.096 R)
• M36: 61,114,171 km (0.11 R)
• M37: 62,973,972 km (0.027 R)
• M38: 68,581,199 km (0.05 R)
• M39: 69,141,144 km (0.102 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 343 - 17,686 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit