🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.4

Radius: 10.4

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.95 AU - 1.19 AU

Year: 715 Days

Day: 7.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,702,612 km

• M1: 129,402 km (0.083 R)
• M2: 491,579 km (0.062 R)
• M3: 826,528 km (0.103 R)
• M4: 1,152,951 km (0.101 R)
• M5: 1,583,045 km (0.056 R)
• M6: 2,073,277 km (0.088 R)
• M7: 2,717,894 km (0.108 R)
• M8: 4,420,318 km (0.114 R)
• M9: 5,615,306 km (0.077 R)
• M10: 6,557,772 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.4

Radius: 11.9

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.53 AU - 1.97 AU

Year: 1495 Days

Day: 14.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,702,612 km

• M1: 147,952 km (0.073 R)
• M2: 730,337 km (0.091 R)
• M3: 1,107,922 km (0.093 R)
• M4: 1,546,692 km (0.099 R)
• M5: 2,218,686 km (0.077 R)
• M6: 3,047,608 km (0.053 R)
• M7: 3,875,632 km (0.072 R)
• M8: 4,257,705 km (0.088 R)
• M9: 5,952,200 km (0.073 R)
• M10: 7,435,313 km (0.062 R)
• M11: 8,292,958 km (0.116 R)
• M12: 8,900,475 km (0.084 R)
• M13: 9,343,285 km (0.054 R)
• M14: 10,902,992 km (0.098 R)
• M15: 11,300,474 km (0.119 R)
• M16: 12,590,456 km (0.104 R)
• M17: 13,766,295 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.4

Radius: 13.5

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.74 AU - 2.06 AU

Year: 1691 Days

Day: 10.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,702,612 km

• M1: 167,998 km (0.119 R)
• M2: 1,659,040 km (0.089 R)
• M3: 2,754,546 km (0.096 R)
• M4: 3,454,215 km (0.087 R)
• M5: 4,152,986 km (0.098 R)
• M6: 4,669,997 km (0.105 R)
• M7: 5,386,571 km (0.11 R)
• M8: 5,918,241 km (0.107 R)
• M9: 10,492,495 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.8

Radius: 14.5

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.58 AU - 2.86 AU

Year: 2896 Days

Day: 10.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,702,612 km

• M1: 180,415 km (0.073 R)
• M2: 830,867 km (0.067 R)
• M3: 1,733,241 km (0.098 R)
• M4: 2,245,913 km (0.119 R)
• M5: 3,512,259 km (0.107 R)
• M6: 4,304,230 km (0.104 R)
• M7: 5,068,675 km (0.038 R)
• M8: 5,975,089 km (0.092 R)
• M9: 6,724,125 km (0.114 R)
• M10: 9,681,376 km (0.03 R)
• M11: 10,676,800 km (0.097 R)
• M12: 11,322,464 km (0.049 R)
• M13: 13,417,583 km (0.111 R)
• M14: 14,266,251 km (0.111 R)
• M15: 15,811,597 km (0.117 R)
• M16: 17,137,034 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.5

Radius: 14.5

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.48 AU - 6.12 AU

Year: 7878 Days

Day: 13.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,702,612 km

• M1: 186,100 km (0.045 R)
• M2: 942,766 km (0.11 R)
• M3: 3,073,787 km (0.118 R)
• M4: 4,241,548 km (0.111 R)
• M5: 4,779,502 km (0.036 R)
• M6: 5,248,342 km (0.081 R)
• M7: 9,320,396 km (0.104 R)
• M8: 10,235,337 km (0.072 R)
• M9: 11,743,582 km (0.033 R)
• M10: 13,074,555 km (0.081 R)
• M11: 21,572,013 km (0.112 R)
• M12: 31,028,244 km (0.112 R)
• M13: 32,768,516 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 425

Radius: 6.3

Gravity: 10.71 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 6.06 AU - 6.92 AU

Year: 10675 Days

Day: 16.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 42,702,612 km

• M1: 80,334 km (0.085 R)
• M2: 424,409 km (0.077 R)
• M3: 682,465 km (0.112 R)
• M4: 1,240,765 km (0.052 R)
• M5: 1,738,926 km (0.1 R)
• M6: 1,985,313 km (0.109 R)
• M7: 2,705,328 km (0.111 R)
• M8: 3,080,968 km (0.098 R)
• M9: 3,758,946 km (0.113 R)
• M10: 4,308,867 km (0.073 R)
• M11: 4,646,510 km (0.105 R)
• M12: 4,881,229 km (0.07 R)
• M13: 5,968,506 km (0.037 R)
• M14: 6,532,490 km (0.077 R)
• M15: 6,865,046 km (0.11 R)
• M16: 7,523,875 km (0.107 R)
• M17: 7,972,071 km (0.114 R)
• M18: 11,409,979 km (0.076 R)
• M19: 12,001,489 km (0.118 R)
• M20: 12,669,892 km (0.079 R)
• M21: 12,898,179 km (0.094 R)
• M22: 13,245,695 km (0.08 R)
• M23: 13,959,426 km (0.101 R)
• M24: 17,280,798 km (0.081 R)
• M25: 19,842,512 km (0.107 R)
• M26: 21,576,202 km (0.098 R)
• M27: 26,533,127 km (0.098 R)
• M28: 31,359,005 km (0.039 R)
• M29: 31,882,149 km (0.08 R)
• M30: 32,945,640 km (0.083 R)
• M31: 36,278,232 km (0.036 R)
• M32: 36,623,354 km (0.07 R)
• M33: 38,501,106 km (0.067 R)
• M34: 38,740,164 km (0.113 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: 460 - 10,824 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit