🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.6

Radius: 14

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.53 AU - 0.67 AU

Year: 310 Days

Day: 12.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 55,437,430 km

• M1: 174,282 km (0.098 R)
• M2: 1,006,794 km (0.12 R)
• M3: 2,004,312 km (0.113 R)
• M4: 3,015,743 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.5

Radius: 10.6

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.61 AU - 0.73 AU

Year: 366 Days

Day: 14.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 55,437,430 km

• M1: 131,945 km (0.097 R)
• M2: 509,979 km (0.117 R)
• M3: 869,612 km (0.116 R)
• M4: 1,249,591 km (0.07 R)
• M5: 1,723,367 km (0.088 R)
• M6: 3,378,070 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.7

Radius: 8.6

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.19 AU - 1.69 AU

Year: 1152 Days

Day: 9.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 51 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,437,430 km

• M1: 108,907 km (0.117 R)
• M2: 678,726 km (0.08 R)
• M3: 973,733 km (0.074 R)
• M4: 1,390,063 km (0.093 R)
• M5: 2,236,039 km (0.114 R)
• M6: 2,766,813 km (0.063 R)
• M7: 3,128,091 km (0.035 R)
• M8: 3,444,042 km (0.083 R)
• M9: 4,190,087 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.7

Radius: 14.6

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.76 AU - 2.14 AU

Year: 1816 Days

Day: 8.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,437,430 km

• M1: 181,612 km (0.088 R)
• M2: 732,730 km (0.098 R)
• M3: 1,196,783 km (0.055 R)
• M4: 1,847,085 km (0.106 R)
• M5: 2,481,529 km (0.096 R)
• M6: 2,950,070 km (0.03 R)
• M7: 3,640,614 km (0.12 R)
• M8: 4,123,516 km (0.109 R)
• M9: 4,590,859 km (0.05 R)
• M10: 5,413,049 km (0.072 R)
• M11: 6,116,159 km (0.04 R)
• M12: 6,727,117 km (0.082 R)
• M13: 7,271,653 km (0.094 R)
• M14: 7,929,884 km (0.079 R)
• M15: 9,653,850 km (0.059 R)
• M16: 11,689,727 km (0.073 R)
• M17: 13,668,608 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510

Radius: 9.6

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.35 AU - 2.87 AU

Year: 2812 Days

Day: 12 Hours

Environment

Temp: -211 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,437,430 km

• M1: 119,379 km (0.118 R)
• M2: 430,243 km (0.117 R)
• M3: 743,651 km (0.062 R)
• M4: 1,096,403 km (0.108 R)
• M5: 1,719,179 km (0.09 R)
• M6: 2,272,392 km (0.11 R)
• M7: 3,085,606 km (0.087 R)
• M8: 3,963,147 km (0.108 R)
• M9: 4,686,004 km (0.105 R)
• M10: 5,183,865 km (0.108 R)
• M11: 5,691,451 km (0.1 R)
• M12: 6,074,272 km (0.086 R)
• M13: 6,638,854 km (0.097 R)
• M14: 8,709,887 km (0.039 R)
• M15: 9,115,746 km (0.1 R)
• M16: 9,605,081 km (0.049 R)
• M17: 10,983,027 km (0.116 R)
• M18: 12,917,776 km (0.11 R)
• M19: 13,670,403 km (0.11 R)
• M20: 14,358,553 km (0.114 R)
• M21: 16,819,887 km (0.116 R)
• M22: 17,663,469 km (0.059 R)
• M23: 17,987,050 km (0.063 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 496.8

Radius: 4.2

Gravity: 28.16 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 4.98 AU - 6.88 AU

Year: 9630 Days

Day: 22.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 55,437,430 km

• M1: 52,658 km (0.119 R)
• M2: 261,946 km (0.099 R)
• M3: 392,844 km (0.048 R)
• M4: 617,690 km (0.092 R)
• M5: 1,289,683 km (0.098 R)
• M6: 1,715,439 km (0.112 R)
• M7: 1,992,943 km (0.115 R)
• M8: 2,159,595 km (0.076 R)
• M9: 2,736,594 km (0.083 R)
• M10: 3,093,684 km (0.101 R)
• M11: 3,977,209 km (0.057 R)
• M12: 4,719,962 km (0.084 R)
• M13: 7,300,376 km (0.061 R)
• M14: 8,842,880 km (0.119 R)
• M15: 9,021,799 km (0.09 R)
• M16: 9,432,894 km (0.116 R)
• M17: 10,243,265 km (0.102 R)
• M18: 11,947,185 km (0.077 R)
• M19: 13,182,564 km (0.097 R)
• M20: 14,874,815 km (0.097 R)
• M21: 18,319,456 km (0.114 R)
• M22: 21,127,109 km (0.03 R)
• M23: 22,178,034 km (0.117 R)
• M24: 24,735,110 km (0.085 R)
• M25: 25,179,566 km (0.108 R)
• M26: 27,198,688 km (0.098 R)
• M27: 27,672,165 km (0.081 R)
• M28: 34,667,960 km (0.052 R)
• M29: 41,121,014 km (0.118 R)
• M30: 41,494,410 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 859.8

Radius: 4.5

Gravity: 42.46 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 6.04 AU - 7 AU

Year: 11102 Days

Day: 23.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 55,437,430 km

• M1: 56,099 km (0.071 R)
• M2: 204,650 km (0.116 R)
• M3: 435,779 km (0.119 R)
• M4: 614,099 km (0.116 R)
• M5: 1,642,734 km (0.069 R)
• M6: 2,290,792 km (0.105 R)
• M7: 2,705,029 km (0.073 R)
• M8: 3,265,871 km (0.118 R)
• M9: 4,551,964 km (0.078 R)
• M10: 4,741,505 km (0.041 R)
• M11: 6,066,642 km (0.061 R)
• M12: 6,492,099 km (0.075 R)
• M13: 6,732,353 km (0.108 R)
• M14: 7,709,077 km (0.098 R)
• M15: 8,069,908 km (0.069 R)
• M16: 8,631,947 km (0.075 R)
• M17: 9,269,982 km (0.032 R)
• M18: 9,421,674 km (0.102 R)
• M19: 10,917,503 km (0.09 R)
• M20: 12,938,121 km (0.097 R)
• M21: 15,833,588 km (0.052 R)
• M22: 16,563,925 km (0.112 R)
• M23: 16,937,471 km (0.061 R)
• M24: 18,091,469 km (0.116 R)
• M25: 18,249,295 km (0.066 R)
• M26: 18,407,868 km (0.067 R)
• M27: 19,544,513 km (0.102 R)
• M28: 19,877,667 km (0.045 R)
• M29: 24,559,482 km (0.086 R)
• M30: 30,815,516 km (0.114 R)
• M31: 31,608,085 km (0.073 R)
• M32: 35,775,433 km (0.078 R)
• M33: 40,969,770 km (0.1 R)
• M34: 42,203,953 km (0.113 R)
• M35: 45,470,123 km (0.11 R)
• M36: 45,908,295 km (0.118 R)
• M37: 51,071,516 km (0.04 R)
• M38: 52,982,479 km (0.061 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 397 - 18,372 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit