🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.7

Radius: 14.5

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.54 AU - 0.62 AU

Year: 310 Days

Day: 9.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 42,878,428 km

• M1: 180,565 km (0.099 R)
• M2: 714,779 km (0.04 R)
• M3: 1,424,471 km (0.116 R)
• M4: 2,161,091 km (0.066 R)
• M5: 2,663,141 km (0.079 R)
• M6: 3,263,926 km (0.03 R)
• M7: 3,978,107 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.9

Radius: 12.3

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.36 AU - 2.98 AU

Year: 3067 Days

Day: 14.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 42,878,428 km

• M1: 153,338 km (0.098 R)
• M2: 783,444 km (0.062 R)
• M3: 1,202,617 km (0.028 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.9

Radius: 13.8

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.66 AU - 4.32 AU

Year: 4583 Days

Day: 6.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,878,428 km

• M1: 171,589 km (0.07 R)
• M2: 921,373 km (0.098 R)
• M3: 1,363,884 km (0.076 R)
• M4: 1,939,387 km (0.103 R)
• M5: 2,657,905 km (0.113 R)
• M6: 3,678,761 km (0.11 R)
• M7: 5,000,608 km (0.082 R)
• M8: 6,295,378 km (0.117 R)
• M9: 6,751,202 km (0.078 R)
• M10: 7,405,244 km (0.068 R)
• M11: 9,582,043 km (0.078 R)
• M12: 10,231,298 km (0.042 R)
• M13: 10,817,572 km (0.079 R)
• M14: 13,443,613 km (0.068 R)
• M15: 14,649,521 km (0.065 R)
• M16: 16,653,235 km (0.116 R)
• M17: 17,150,199 km (0.108 R)
• M18: 17,656,887 km (0.058 R)
• M19: 18,767,202 km (0.048 R)
• M20: 19,647,137 km (0.102 R)
• M21: 20,696,566 km (0.052 R)
• M22: 22,302,799 km (0.103 R)
• M23: 26,093,609 km (0.038 R)
• M24: 26,680,182 km (0.098 R)
• M25: 30,942,375 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.6

Radius: 11.1

Gravity: 8.04 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.15 AU - 4.53 AU

Year: 5289 Days

Day: 13.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 42,878,428 km

• M1: 138,079 km (0.11 R)
• M2: 508,932 km (0.109 R)
• M3: 981,661 km (0.107 R)
• M4: 2,791,945 km (0.061 R)
• M5: 4,019,096 km (0.098 R)
• M6: 4,525,784 km (0.114 R)
• M7: 5,395,397 km (0.097 R)
• M8: 7,842,369 km (0.092 R)
• M9: 8,312,406 km (0.08 R)
• M10: 8,842,581 km (0.107 R)
• M11: 9,395,345 km (0.119 R)
• M12: 9,970,997 km (0.085 R)
• M13: 11,389,484 km (0.032 R)
• M14: 12,250,719 km (0.107 R)
• M15: 15,457,200 km (0.095 R)
• M16: 16,134,729 km (0.06 R)
• M17: 20,549,811 km (0.061 R)
• M18: 22,756,678 km (0.075 R)
• M19: 23,795,636 km (0.102 R)
• M20: 25,370,452 km (0.079 R)
• M21: 27,279,471 km (0.111 R)
• M22: 28,818,833 km (0.101 R)
• M23: 29,750,828 km (0.098 R)
• M24: 32,268,410 km (0.092 R)
• M25: 32,667,986 km (0.116 R)
• M26: 34,403,022 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.5

Radius: 10

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 3.96 AU - 4.02 AU

Year: 5602 Days

Day: 5.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,878,428 km

• M1: 124,316 km (0.106 R)
• M2: 484,697 km (0.053 R)
• M3: 1,030,580 km (0.108 R)
• M4: 1,434,494 km (0.097 R)
• M5: 2,179,192 km (0.074 R)
• M6: 2,535,235 km (0.077 R)
• M7: 3,304,467 km (0.11 R)
• M8: 3,800,085 km (0.086 R)
• M9: 4,394,437 km (0.117 R)
• M10: 4,806,580 km (0.112 R)
• M11: 5,768,643 km (0.072 R)
• M12: 6,587,393 km (0.118 R)
• M13: 9,342,237 km (0.112 R)
• M14: 9,982,068 km (0.062 R)
• M15: 11,301,970 km (0.076 R)
• M16: 13,736,525 km (0.113 R)
• M17: 15,483,080 km (0.073 R)
• M18: 17,058,196 km (0.091 R)
• M19: 18,604,590 km (0.053 R)
• M20: 18,938,193 km (0.116 R)
• M21: 22,497,276 km (0.107 R)
• M22: 23,959,146 km (0.027 R)
• M23: 28,195,309 km (0.118 R)
• M24: 28,635,875 km (0.092 R)
• M25: 29,802,439 km (0.048 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.5

Radius: 14.6

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 5.12 AU - 5.16 AU

Year: 8191 Days

Day: 14.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 42,878,428 km

• M1: 189,840 km (0.101 R)
• M2: 686,355 km (0.116 R)
• M3: 1,397,843 km (0.102 R)
• M4: 1,983,817 km (0.116 R)
• M5: 2,451,909 km (0.07 R)
• M6: 3,057,481 km (0.068 R)
• M7: 3,547,115 km (0.107 R)
• M8: 4,012,065 km (0.114 R)
• M9: 4,686,602 km (0.117 R)
• M10: 5,249,090 km (0.064 R)
• M11: 6,690,914 km (0.119 R)
• M12: 7,175,163 km (0.083 R)
• M13: 7,722,990 km (0.098 R)
• M14: 8,511,072 km (0.112 R)
• M15: 9,536,266 km (0.119 R)
• M16: 10,493,393 km (0.095 R)
• M17: 11,461,142 km (0.078 R)
• M18: 12,599,133 km (0.025 R)
• M19: 14,785,805 km (0.111 R)
• M20: 15,418,005 km (0.096 R)
• M21: 16,736,411 km (0.056 R)
• M22: 21,703,659 km (0.109 R)
• M23: 22,853,468 km (0.043 R)
• M24: 23,528,454 km (0.078 R)
• M25: 25,364,020 km (0.075 R)
• M26: 27,387,481 km (0.103 R)
• M27: 28,053,341 km (0.098 R)
• M28: 31,962,782 km (0.115 R)
• M29: 34,984,210 km (0.08 R)
• M30: 38,073,406 km (0.065 R)
• M31: 39,022,754 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 163.9

Radius: 3.5

Gravity: 13.38 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 7.02 AU - 9.9 AU

Year: 17297 Days

Day: 24.8 Hours

Environment

Temp: -243 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,878,428 km

• M1: 43,683 km (0.094 R)
• M2: 314,754 km (0.116 R)
• M3: 689,048 km (0.048 R)
• M4: 1,045,540 km (0.064 R)
• M5: 2,058,766 km (0.07 R)
• M6: 2,507,111 km (0.104 R)
• M7: 3,545,170 km (0.068 R)
• M8: 3,692,375 km (0.05 R)
• M9: 5,792,729 km (0.101 R)
• M10: 6,939,546 km (0.116 R)
• M11: 8,751,775 km (0.12 R)
• M12: 12,869,007 km (0.056 R)
• M13: 13,334,705 km (0.073 R)
• M14: 21,002,793 km (0.059 R)
• M15: 21,729,240 km (0.051 R)
• M16: 24,891,739 km (0.108 R)
• M17: 25,979,914 km (0.112 R)
• M18: 26,442,471 km (0.101 R)
• M19: 33,398,622 km (0.117 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 18,195 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit