🌌 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: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.1

Radius: 8.9

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.75 AU - 0.93 AU

Year: 531 Days

Day: 9 Hours

Environment

Temp: -174 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,537,140 km

• M1: 110,702 km (0.061 R)
• M2: 533,017 km (0.04 R)
• M3: 946,207 km (0.102 R)
• M4: 1,268,590 km (0.103 R)
• M5: 1,587,383 km (0.116 R)
• M6: 2,418,399 km (0.07 R)
• M7: 2,810,346 km (0.079 R)
• M8: 3,087,550 km (0.098 R)
• M9: 3,526,022 km (0.033 R)
• M10: 3,965,989 km (0.113 R)
• M11: 4,760,952 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.6

Radius: 11.8

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1 AU - 1.14 AU

Year: 764 Days

Day: 6.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,537,140 km

• M1: 146,756 km (0.099 R)
• M2: 616,942 km (0.11 R)
• M3: 1,159,084 km (0.063 R)
• M4: 1,718,431 km (0.089 R)
• M5: 2,233,047 km (0.089 R)
• M6: 2,656,409 km (0.087 R)
• M7: 3,063,465 km (0.043 R)
• M8: 3,461,844 km (0.062 R)
• M9: 3,840,477 km (0.029 R)
• M10: 4,275,956 km (0.118 R)
• M11: 4,682,114 km (0.056 R)
• M12: 5,130,459 km (0.095 R)
• M13: 5,555,018 km (0.089 R)
• M14: 5,948,011 km (0.076 R)
• M15: 6,455,747 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.1

Radius: 13.2

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.4 AU - 1.94 AU

Year: 1490 Days

Day: 14.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,537,140 km

• M1: 164,109 km (0.061 R)
• M2: 690,095 km (0.058 R)
• M3: 1,155,195 km (0.081 R)
• M4: 2,359,757 km (0.114 R)
• M5: 2,897,711 km (0.11 R)
• M6: 3,452,868 km (0.116 R)
• M7: 3,936,967 km (0.103 R)
• M8: 5,805,744 km (0.103 R)
• M9: 7,451,470 km (0.092 R)
• M10: 7,893,532 km (0.094 R)
• M11: 10,891,174 km (0.101 R)
• M12: 12,897,580 km (0.118 R)
• M13: 13,618,193 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.4

Radius: 14.2

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.41 AU - 2.07 AU

Year: 1584 Days

Day: 7.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,537,140 km

• M1: 176,675 km (0.087 R)
• M2: 815,907 km (0.088 R)
• M3: 1,313,320 km (0.096 R)
• M4: 1,813,575 km (0.083 R)
• M5: 2,381,748 km (0.077 R)
• M6: 3,244,628 km (0.092 R)
• M7: 4,180,961 km (0.096 R)
• M8: 4,645,313 km (0.118 R)
• M9: 5,123,727 km (0.076 R)
• M10: 5,880,842 km (0.065 R)
• M11: 9,839,052 km (0.048 R)
• M12: 10,430,412 km (0.092 R)
• M13: 10,975,996 km (0.081 R)
• M14: 11,504,675 km (0.117 R)
• M15: 12,013,457 km (0.098 R)
• M16: 12,998,409 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.2

Radius: 13.8

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.58 AU - 2.1 AU

Year: 1723 Days

Day: 14.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,537,140 km

• M1: 171,589 km (0.119 R)
• M2: 1,073,066 km (0.098 R)
• M3: 1,623,436 km (0.061 R)
• M4: 2,204,624 km (0.111 R)
• M5: 2,852,083 km (0.057 R)
• M6: 3,691,477 km (0.106 R)
• M7: 5,060,896 km (0.118 R)
• M8: 5,518,217 km (0.096 R)
• M9: 6,293,283 km (0.091 R)
• M10: 6,745,966 km (0.113 R)
• M11: 7,274,346 km (0.103 R)
• M12: 8,236,560 km (0.051 R)
• M13: 8,687,298 km (0.044 R)
• M14: 9,770,536 km (0.109 R)
• M15: 10,344,992 km (0.087 R)
• M16: 11,598,772 km (0.053 R)
• M17: 14,407,472 km (0.063 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 489

Radius: 4.4

Gravity: 25.26 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 6.83 AU - 6.91 AU

Year: 12429 Days

Day: 19.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 45,537,140 km

• M1: 54,753 km (0.099 R)
• M2: 512,822 km (0.091 R)
• M3: 738,565 km (0.118 R)
• M4: 1,600,847 km (0.078 R)
• M5: 2,519,976 km (0.089 R)
• M6: 2,663,440 km (0.111 R)
• M7: 2,833,982 km (0.117 R)
• M8: 3,389,738 km (0.074 R)
• M9: 4,070,708 km (0.089 R)
• M10: 4,472,976 km (0.058 R)
• M11: 4,745,244 km (0.106 R)
• M12: 5,491,289 km (0.069 R)
• M13: 7,090,939 km (0.078 R)
• M14: 7,336,280 km (0.058 R)
• M15: 7,587,305 km (0.103 R)
• M16: 8,649,300 km (0.06 R)
• M17: 11,561,372 km (0.082 R)
• M18: 12,961,758 km (0.118 R)
• M19: 13,639,885 km (0.082 R)
• M20: 18,595,614 km (0.071 R)
• M21: 20,100,269 km (0.118 R)
• M22: 20,263,331 km (0.039 R)
• M23: 21,175,429 km (0.096 R)
• M24: 27,730,808 km (0.081 R)
• M25: 32,405,292 km (0.111 R)
• M26: 34,576,556 km (0.045 R)
• M27: 35,045,695 km (0.114 R)
• M28: 37,087,107 km (0.025 R)
• M29: 38,074,603 km (0.079 R)
• M30: 40,619,711 km (0.111 R)
• M31: 43,820,807 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 319.5

Radius: 7

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 6.33 AU - 8.23 AU

Year: 13558 Days

Day: 16.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 45,537,140 km

• M1: 91,255 km (0.032 R)
• M2: 326,423 km (0.071 R)
• M3: 895,194 km (0.077 R)
• M4: 1,428,061 km (0.116 R)
• M5: 2,225,268 km (0.074 R)
• M6: 2,660,598 km (0.106 R)
• M7: 3,219,496 km (0.118 R)
• M8: 3,802,479 km (0.109 R)
• M9: 4,836,050 km (0.079 R)
• M10: 7,525,820 km (0.075 R)
• M11: 7,899,067 km (0.042 R)
• M12: 8,415,778 km (0.059 R)
• M13: 11,890,188 km (0.092 R)
• M14: 12,113,538 km (0.098 R)
• M15: 12,453,873 km (0.092 R)
• M16: 15,147,981 km (0.111 R)
• M17: 16,630,646 km (0.05 R)
• M18: 17,767,889 km (0.119 R)
• M19: 17,986,750 km (0.113 R)
• M20: 18,430,009 km (0.028 R)
• M21: 19,959,946 km (0.107 R)
• M22: 22,157,090 km (0.104 R)
• M23: 22,752,041 km (0.11 R)
• M24: 23,532,493 km (0.06 R)
• M25: 23,796,533 km (0.041 R)
• M26: 24,062,668 km (0.097 R)
• M27: 27,315,225 km (0.093 R)
• M28: 27,704,628 km (0.049 R)
• M29: 29,912,992 km (0.1 R)
• M30: 30,849,325 km (0.093 R)
• M31: 34,676,786 km (0.071 R)
• M32: 42,602,930 km (0.084 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 274 - 20,009 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit