🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.5

Radius: 8.3

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.5 AU - 0.52 AU

Year: 251 Days

Day: 9.3 Hours

Environment

Temp: -133 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,884,131 km

• M1: 104,569 km (0.117 R)
• M2: 265,686 km (0.103 R)
• M3: 591,510 km (0.047 R)
• M4: 766,988 km (0.076 R)
• M5: 983,008 km (0.075 R)
• M6: 1,195,736 km (0.071 R)
• M7: 1,448,257 km (0.118 R)
• M8: 1,636,002 km (0.082 R)
• M9: 1,828,385 km (0.105 R)
• M10: 1,996,084 km (0.096 R)
• M11: 2,163,185 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.6

Radius: 8.2

Gravity: 9.51 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.73 AU - 0.85 AU

Year: 485 Days

Day: 7.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,884,131 km

• M1: 102,175 km (0.064 R)
• M2: 285,283 km (0.052 R)
• M3: 575,353 km (0.106 R)
• M4: 744,997 km (0.062 R)
• M5: 1,043,296 km (0.094 R)
• M6: 1,229,395 km (0.087 R)
• M7: 1,507,498 km (0.076 R)
• M8: 1,796,820 km (0.071 R)
• M9: 2,220,032 km (0.107 R)
• M10: 2,802,866 km (0.116 R)
• M11: 3,043,868 km (0.118 R)
• M12: 3,686,989 km (0.096 R)
• M13: 3,954,321 km (0.076 R)
• M14: 4,170,938 km (0.107 R)
• M15: 4,954,382 km (0.062 R)
• M16: 5,354,856 km (0.094 R)
• M17: 5,889,668 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.3

Radius: 12

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.1 AU - 2.14 AU

Year: 2131 Days

Day: 11 Hours

Environment

Temp: -205 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,884,131 km

• M1: 153,487 km (0.049 R)
• M2: 572,062 km (0.106 R)
• M3: 922,121 km (0.076 R)
• M4: 1,183,618 km (0.065 R)
• M5: 1,707,959 km (0.066 R)
• M6: 2,056,821 km (0.092 R)
• M7: 3,132,131 km (0.086 R)
• M8: 3,874,136 km (0.099 R)
• M9: 5,025,890 km (0.065 R)
• M10: 5,629,368 km (0.105 R)
• M11: 6,646,933 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.3

Radius: 12.1

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.06 AU - 2.2 AU

Year: 2146 Days

Day: 8.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 41,884,131 km

• M1: 187,297 km (0.095 R)
• M2: 563,984 km (0.076 R)
• M3: 822,489 km (0.059 R)
• M4: 1,212,042 km (0.106 R)
• M5: 1,509,443 km (0.12 R)
• M6: 1,766,003 km (0.053 R)
• M7: 2,279,273 km (0.118 R)
• M8: 2,656,709 km (0.102 R)
• M9: 3,001,232 km (0.067 R)
• M10: 3,728,129 km (0.091 R)
• M11: 3,988,878 km (0.108 R)
• M12: 4,228,234 km (0.063 R)
• M13: 4,744,796 km (0.074 R)
• M14: 5,412,152 km (0.11 R)
• M15: 5,924,375 km (0.115 R)
• M16: 6,902,296 km (0.112 R)
• M17: 7,501,286 km (0.081 R)
• M18: 8,621,774 km (0.106 R)
• M19: 9,291,225 km (0.095 R)
• M20: 9,705,012 km (0.094 R)
• M21: 9,938,983 km (0.106 R)
• M22: 10,584,648 km (0.044 R)
• M23: 11,100,910 km (0.098 R)
• M24: 11,426,884 km (0.063 R)
• M25: 11,834,688 km (0.089 R)
• M26: 12,301,882 km (0.113 R)
• M27: 12,565,473 km (0.114 R)
• M28: 13,047,029 km (0.068 R)
• M29: 13,318,549 km (0.11 R)
• M30: 14,009,691 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 512.2

Radius: 6.1

Gravity: 13.77 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 6.92 AU - 7.08 AU

Year: 12784 Days

Day: 21.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 41,884,131 km

• M1: 75,996 km (0.11 R)
• M2: 266,284 km (0.083 R)
• M3: 608,265 km (0.12 R)
• M4: 764,445 km (0.098 R)
• M5: 1,107,623 km (0.105 R)
• M6: 1,520,064 km (0.107 R)
• M7: 2,041,562 km (0.09 R)
• M8: 2,163,784 km (0.046 R)
• M9: 2,575,028 km (0.073 R)
• M10: 3,751,017 km (0.113 R)
• M11: 5,024,992 km (0.057 R)
• M12: 5,217,824 km (0.111 R)
• M13: 6,855,622 km (0.067 R)
• M14: 7,858,825 km (0.103 R)
• M15: 9,982,367 km (0.084 R)
• M16: 10,299,963 km (0.078 R)
• M17: 10,530,045 km (0.1 R)
• M18: 11,767,219 km (0.096 R)
• M19: 12,112,192 km (0.036 R)
• M20: 12,261,640 km (0.055 R)
• M21: 15,052,239 km (0.105 R)
• M22: 18,805,200 km (0.04 R)
• M23: 19,872,581 km (0.098 R)
• M24: 20,385,103 km (0.094 R)
• M25: 21,034,957 km (0.092 R)
• M26: 24,437,710 km (0.08 R)
• M27: 24,934,524 km (0.088 R)
• M28: 25,364,319 km (0.073 R)
• M29: 31,207,462 km (0.075 R)
• M30: 31,849,237 km (0.082 R)
• M31: 32,824,466 km (0.069 R)
• M32: 34,482,309 km (0.046 R)
• M33: 38,008,929 km (0.105 R)
• M34: 39,073,617 km (0.035 R)
• M35: 39,342,146 km (0.083 R)
• M36: 40,881,059 km (0.102 R)
• M37: 48,519,526 km (0.027 R)
• M38: 49,822,673 km (0.06 R)
• M39: 50,024,780 km (0.043 R)
• M40: 50,836,947 km (0.062 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 157.3

Radius: 5.3

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 8.05 AU - 8.91 AU

Year: 17045 Days

Day: 20.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,884,131 km

• M1: 599,887 km (0.087 R)
• M2: 2,827,998 km (0.06 R)
• M3: 3,091,889 km (0.095 R)
• M4: 7,198,799 km (0.117 R)
• M5: 8,837,943 km (0.105 R)
• M6: 9,030,475 km (0.111 R)
• M7: 10,730,655 km (0.07 R)
• M8: 12,350,651 km (0.113 R)
• M9: 14,870,627 km (0.075 R)
• M10: 18,503,461 km (0.071 R)
• M11: 19,402,694 km (0.088 R)
• M12: 22,107,274 km (0.083 R)
• M13: 24,795,548 km (0.085 R)
• M14: 27,165,178 km (0.111 R)
• M15: 28,253,054 km (0.04 R)
• M16: 30,850,970 km (0.09 R)
• M17: 37,095,186 km (0.052 R)
• M18: 37,489,675 km (0.081 R)
• M19: 38,927,460 km (0.074 R)
• M20: 39,412,606 km (0.097 R)
• M21: 40,392,173 km (0.096 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: 379 - 15,101 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit