🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.7

Radius: 11.8

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.74 AU - 0.92 AU

Year: 488 Days

Day: 5.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,589,631 km

• M1: 147,204 km (0.104 R)
• M2: 675,135 km (0.099 R)
• M3: 1,348,176 km (0.101 R)
• M4: 1,767,200 km (0.114 R)
• M5: 2,201,033 km (0.091 R)
• M6: 2,623,498 km (0.092 R)
• M7: 3,111,785 km (0.111 R)
• M8: 4,873,450 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.5

Radius: 8.9

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.91 AU - 1.03 AU

Year: 617 Days

Day: 12.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,589,631 km

• M1: 111,301 km (0.101 R)
• M2: 454,927 km (0.097 R)
• M3: 752,328 km (0.118 R)
• M4: 1,066,334 km (0.064 R)
• M5: 1,365,230 km (0.095 R)
• M6: 1,679,236 km (0.032 R)
• M7: 2,170,964 km (0.106 R)
• M8: 2,575,028 km (0.04 R)
• M9: 2,946,031 km (0.07 R)
• M10: 4,398,477 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.5

Radius: 12.7

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.5 AU - 2.18 AU

Year: 1612 Days

Day: 7.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,589,631 km

• M1: 157,975 km (0.099 R)
• M2: 562,488 km (0.076 R)
• M3: 1,035,068 km (0.117 R)
• M4: 1,446,911 km (0.025 R)
• M5: 1,919,191 km (0.09 R)
• M6: 2,582,508 km (0.042 R)
• M7: 8,227,135 km (0.073 R)
• M8: 9,534,919 km (0.115 R)
• M9: 10,108,179 km (0.044 R)
• M10: 12,003,733 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.9

Radius: 13

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.68 AU - 3.4 AU

Year: 3422 Days

Day: 6.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,589,631 km

• M1: 161,715 km (0.098 R)
• M2: 657,034 km (0.063 R)
• M3: 1,133,503 km (0.032 R)
• M4: 1,571,974 km (0.117 R)
• M5: 2,152,863 km (0.113 R)
• M6: 2,664,338 km (0.093 R)
• M7: 3,422,650 km (0.113 R)
• M8: 4,801,792 km (0.074 R)
• M9: 5,318,803 km (0.105 R)
• M10: 5,818,310 km (0.071 R)
• M11: 6,523,514 km (0.107 R)
• M12: 6,942,837 km (0.1 R)
• M13: 7,508,467 km (0.105 R)
• M14: 7,969,677 km (0.072 R)
• M15: 8,554,904 km (0.086 R)
• M16: 10,853,774 km (0.096 R)
• M17: 11,967,830 km (0.039 R)
• M18: 12,829,214 km (0.076 R)
• M19: 13,298,802 km (0.063 R)
• M20: 13,877,596 km (0.093 R)
• M21: 14,473,145 km (0.102 R)
• M22: 17,595,552 km (0.059 R)
• M23: 18,175,992 km (0.086 R)
• M24: 20,119,717 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.7

Radius: 8.7

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.04 AU - 3.58 AU

Year: 3888 Days

Day: 10.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,589,631 km

• M1: 108,159 km (0.116 R)
• M2: 431,440 km (0.099 R)
• M3: 1,047,484 km (0.106 R)
• M4: 1,619,247 km (0.08 R)
• M5: 2,013,587 km (0.096 R)
• M6: 2,529,550 km (0.076 R)
• M7: 4,866,120 km (0.073 R)
• M8: 5,490,242 km (0.1 R)
• M9: 6,496,886 km (0.111 R)
• M10: 7,466,879 km (0.1 R)
• M11: 8,035,201 km (0.045 R)
• M12: 8,837,345 km (0.09 R)
• M13: 9,257,864 km (0.074 R)
• M14: 9,765,450 km (0.113 R)
• M15: 10,483,819 km (0.081 R)
• M16: 10,796,628 km (0.115 R)
• M17: 11,399,956 km (0.113 R)
• M18: 12,282,135 km (0.063 R)
• M19: 13,713,038 km (0.094 R)
• M20: 15,857,524 km (0.069 R)
• M21: 19,596,723 km (0.034 R)

Asteroid Belt

Center: 4.62 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709

Radius: 13.5

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.47 AU - 7.39 AU

Year: 9324 Days

Day: 13.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 72,589,631 km

• M1: 169,345 km (0.119 R)
• M2: 700,118 km (0.079 R)
• M3: 1,515,127 km (0.07 R)
• M4: 2,213,300 km (0.079 R)
• M5: 3,299,381 km (0.106 R)
• M6: 6,954,805 km (0.119 R)
• M7: 7,468,524 km (0.07 R)
• M8: 10,378,203 km (0.093 R)
• M9: 11,862,363 km (0.106 R)
• M10: 13,484,004 km (0.104 R)
• M11: 14,793,883 km (0.066 R)
• M12: 15,847,650 km (0.11 R)
• M13: 17,092,155 km (0.088 R)
• M14: 17,811,272 km (0.071 R)
• M15: 20,488,027 km (0.09 R)
• M16: 20,972,425 km (0.092 R)
• M17: 27,593,776 km (0.11 R)
• M18: 30,950,603 km (0.067 R)
• M19: 31,481,825 km (0.032 R)
• M20: 32,672,325 km (0.072 R)
• M21: 35,142,784 km (0.116 R)
• M22: 37,016,048 km (0.111 R)
• M23: 38,709,047 km (0.101 R)
• M24: 39,574,621 km (0.037 R)
• M25: 40,706,478 km (0.096 R)
• M26: 42,509,731 km (0.116 R)
• M27: 45,313,943 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 762.3

Radius: 3.7

Gravity: 55.68 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 7.97 AU - 10.19 AU

Year: 17666 Days

Day: 18.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 72,589,631 km

• M1: 46,375 km (0.098 R)
• M2: 271,819 km (0.1 R)
• M3: 408,701 km (0.118 R)
• M4: 1,112,859 km (0.102 R)
• M5: 1,554,621 km (0.066 R)
• M6: 1,833,621 km (0.115 R)
• M7: 2,559,320 km (0.106 R)
• M8: 3,103,258 km (0.04 R)
• M9: 5,344,234 km (0.054 R)
• M10: 5,536,617 km (0.101 R)
• M11: 6,834,379 km (0.116 R)
• M12: 7,199,547 km (0.12 R)
• M13: 7,820,677 km (0.084 R)
• M14: 8,844,675 km (0.114 R)
• M15: 10,663,785 km (0.102 R)
• M16: 13,480,563 km (0.087 R)
• M17: 14,054,271 km (0.105 R)
• M18: 15,715,406 km (0.102 R)
• M19: 16,190,230 km (0.058 R)
• M20: 18,708,560 km (0.109 R)
• M21: 22,655,401 km (0.088 R)
• M22: 28,733,113 km (0.05 R)
• M23: 31,515,335 km (0.061 R)
• M24: 32,269,457 km (0.092 R)
• M25: 32,778,988 km (0.043 R)
• M26: 34,604,381 km (0.063 R)
• M27: 35,948,817 km (0.059 R)
• M28: 37,889,102 km (0.116 R)
• M29: 38,313,810 km (0.099 R)
• M30: 39,461,824 km (0.083 R)
• M31: 40,632,427 km (0.074 R)
• M32: 42,128,107 km (0.046 R)
• M33: 47,487,450 km (0.105 R)
• M34: 54,173,877 km (0.115 R)
• M35: 59,915,742 km (0.095 R)
• M36: 60,492,143 km (0.103 R)
• M37: 62,439,758 km (0.063 R)
• M38: 67,906,363 km (0.097 R)
• M39: 68,532,729 km (0.107 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: 456 - 15,784 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit