🌌 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: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.5

Radius: 8.8

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.64 AU - 0.76 AU

Year: 372 Days

Day: 11.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 83,828,579 km

• M1: 109,655 km (0.078 R)
• M2: 396,135 km (0.09 R)
• M3: 761,603 km (0.09 R)
• M4: 1,183,768 km (0.047 R)
• M5: 2,780,576 km (0.071 R)
• M6: 3,293,996 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.7

Radius: 11.3

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.6 AU - 3.32 AU

Year: 3238 Days

Day: 13.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,828,579 km

• M1: 140,622 km (0.094 R)
• M2: 835,953 km (0.113 R)
• M3: 1,764,956 km (0.088 R)
• M4: 2,331,483 km (0.085 R)
• M5: 3,212,165 km (0.097 R)
• M6: 4,644,565 km (0.037 R)
• M7: 8,052,704 km (0.081 R)
• M8: 8,937,575 km (0.11 R)
• M9: 14,462,075 km (0.073 R)
• M10: 17,784,494 km (0.117 R)
• M11: 18,373,910 km (0.107 R)
• M12: 19,467,620 km (0.05 R)
• M13: 22,120,289 km (0.116 R)
• M14: 22,940,235 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.5

Radius: 13.6

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.78 AU - 6.3 AU

Year: 8291 Days

Day: 7.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 83,828,579 km

• M1: 169,195 km (0.111 R)
• M2: 625,319 km (0.08 R)
• M3: 1,455,737 km (0.108 R)
• M4: 1,961,677 km (0.053 R)
• M5: 3,454,813 km (0.071 R)
• M6: 4,427,199 km (0.101 R)
• M7: 7,495,153 km (0.094 R)
• M8: 8,026,973 km (0.05 R)
• M9: 8,760,601 km (0.114 R)
• M10: 9,397,738 km (0.108 R)
• M11: 11,550,601 km (0.082 R)
• M12: 13,531,576 km (0.093 R)
• M13: 16,741,797 km (0.034 R)
• M14: 18,012,481 km (0.065 R)
• M15: 19,805,412 km (0.102 R)
• M16: 22,968,659 km (0.083 R)
• M17: 24,894,432 km (0.099 R)
• M18: 26,267,741 km (0.091 R)
• M19: 27,020,517 km (0.071 R)
• M20: 29,265,233 km (0.112 R)
• M21: 31,106,633 km (0.119 R)
• M22: 36,161,844 km (0.032 R)
• M23: 40,357,018 km (0.112 R)
• M24: 41,107,400 km (0.056 R)
• M25: 44,202,281 km (0.084 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 171.7

Radius: 4.4

Gravity: 8.87 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 5.07 AU - 7.33 AU

Year: 9816 Days

Day: 17.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,828,579 km

• M1: 54,753 km (0.095 R)
• M2: 228,436 km (0.06 R)
• M3: 407,804 km (0.116 R)
• M4: 773,870 km (0.101 R)
• M5: 1,343,090 km (0.107 R)
• M6: 3,207,678 km (0.087 R)
• M7: 6,426,276 km (0.097 R)
• M8: 6,652,617 km (0.104 R)
• M9: 7,647,742 km (0.088 R)
• M10: 16,184,096 km (0.069 R)
• M11: 21,415,234 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 605.8

Radius: 4.6

Gravity: 28.63 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 6.22 AU - 7.24 AU

Year: 11101 Days

Day: 24.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 83,828,579 km

• M1: 57,296 km (0.066 R)
• M2: 240,703 km (0.079 R)
• M3: 588,967 km (0.109 R)
• M4: 1,893,011 km (0.116 R)
• M5: 2,206,120 km (0.05 R)
• M6: 2,957,400 km (0.064 R)
• M7: 3,553,249 km (0.052 R)
• M8: 4,517,108 km (0.096 R)
• M9: 6,478,186 km (0.101 R)
• M10: 8,165,351 km (0.086 R)
• M11: 10,022,609 km (0.081 R)
• M12: 10,540,666 km (0.064 R)
• M13: 13,155,487 km (0.032 R)
• M14: 14,481,074 km (0.109 R)
• M15: 15,480,986 km (0.116 R)
• M16: 16,668,644 km (0.086 R)
• M17: 18,755,235 km (0.065 R)
• M18: 19,780,578 km (0.083 R)
• M19: 22,902,836 km (0.088 R)
• M20: 23,080,408 km (0.117 R)
• M21: 24,720,001 km (0.116 R)
• M22: 27,622,349 km (0.074 R)
• M23: 28,025,815 km (0.104 R)
• M24: 29,468,686 km (0.096 R)
• M25: 33,633,042 km (0.079 R)
• M26: 34,208,695 km (0.111 R)
• M27: 34,673,794 km (0.077 R)
• M28: 35,855,169 km (0.085 R)
• M29: 41,900,868 km (0.114 R)
• M30: 42,835,555 km (0.12 R)
• M31: 43,240,517 km (0.095 R)
• M32: 46,146,156 km (0.118 R)
• M33: 46,429,494 km (0.087 R)
• M34: 48,591,483 km (0.043 R)
• M35: 48,737,939 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 852.3

Radius: 6.2

Gravity: 22.17 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 7.09 AU - 9.41 AU

Year: 15067 Days

Day: 16.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 116.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 83,828,579 km

• M1: 77,342 km (0.112 R)
• M2: 329,115 km (0.097 R)
• M3: 571,314 km (0.077 R)
• M4: 768,634 km (0.116 R)
• M5: 1,072,318 km (0.096 R)
• M6: 2,112,920 km (0.117 R)
• M7: 3,028,908 km (0.098 R)
• M8: 4,741,505 km (0.106 R)
• M9: 5,420,529 km (0.068 R)
• M10: 5,686,365 km (0.042 R)
• M11: 6,837,969 km (0.075 R)
• M12: 7,376,222 km (0.068 R)
• M13: 7,893,980 km (0.111 R)
• M14: 9,703,367 km (0.088 R)
• M15: 11,214,754 km (0.111 R)
• M16: 11,646,942 km (0.079 R)
• M17: 12,809,617 km (0.104 R)
• M18: 14,549,889 km (0.118 R)
• M19: 16,679,564 km (0.108 R)
• M20: 17,818,602 km (0.032 R)
• M21: 18,577,662 km (0.095 R)
• M22: 20,706,888 km (0.055 R)
• M23: 21,076,844 km (0.059 R)
• M24: 22,117,297 km (0.089 R)
• M25: 23,191,410 km (0.055 R)
• M26: 26,189,351 km (0.096 R)
• M27: 28,628,844 km (0.113 R)
• M28: 29,552,311 km (0.118 R)
• M29: 35,119,596 km (0.106 R)
• M30: 50,241,398 km (0.086 R)
• M31: 57,554,789 km (0.103 R)
• M32: 62,228,077 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 954.2

Radius: 6.3

Gravity: 24.04 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 9.04 AU - 10.62 AU

Year: 19596 Days

Day: 20.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 83,828,579 km

• M1: 81,980 km (0.097 R)
• M2: 408,701 km (0.073 R)
• M3: 958,025 km (0.051 R)
• M4: 1,179,130 km (0.073 R)
• M5: 1,533,378 km (0.118 R)
• M6: 2,294,682 km (0.117 R)
• M7: 2,622,002 km (0.046 R)
• M8: 3,577,633 km (0.093 R)
• M9: 4,530,272 km (0.068 R)
• M10: 5,161,875 km (0.101 R)
• M11: 5,519,114 km (0.082 R)
• M12: 6,924,586 km (0.091 R)
• M13: 7,812,300 km (0.077 R)
• M14: 10,993,050 km (0.066 R)
• M15: 11,990,718 km (0.091 R)
• M16: 12,903,116 km (0.105 R)
• M17: 15,344,702 km (0.099 R)
• M18: 16,503,637 km (0.056 R)
• M19: 20,821,032 km (0.102 R)
• M20: 21,827,825 km (0.075 R)
• M21: 22,343,190 km (0.106 R)
• M22: 25,267,380 km (0.068 R)
• M23: 31,861,803 km (0.073 R)
• M24: 32,125,993 km (0.059 R)
• M25: 34,291,871 km (0.03 R)
• M26: 34,569,226 km (0.081 R)
• M27: 37,426,246 km (0.077 R)
• M28: 38,313,062 km (0.106 R)
• M29: 44,422,041 km (0.054 R)
• M30: 46,934,537 km (0.045 R)
• M31: 51,511,484 km (0.102 R)
• M32: 54,848,713 km (0.06 R)
• M33: 57,541,774 km (0.084 R)
• M34: 58,920,917 km (0.057 R)
• M35: 63,816,357 km (0.099 R)
• M36: 65,293,636 km (0.12 R)
• M37: 65,933,766 km (0.109 R)
• M38: 68,535,871 km (0.035 R)
• M39: 77,942,136 km (0.06 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 260 - 18,931 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit