🌌 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: 889.9

Radius: 13.9

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.06 AU - 1.08 AU

Year: 715 Days

Day: 14.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,987,936 km

• M1: 173,085 km (0.096 R)
• M2: 606,021 km (0.06 R)
• M3: 1,458,430 km (0.102 R)
• M4: 1,987,258 km (0.098 R)
• M5: 2,521,323 km (0.114 R)
• M6: 3,215,905 km (0.115 R)
• M7: 3,680,556 km (0.083 R)
• M8: 5,811,428 km (0.076 R)
• M9: 6,254,837 km (0.119 R)
• M10: 6,786,208 km (0.116 R)
• M11: 8,564,029 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.4

Radius: 14

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.55 AU - 1.75 AU

Year: 1368 Days

Day: 11.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,987,936 km

• M1: 174,132 km (0.051 R)
• M2: 1,007,242 km (0.112 R)
• M3: 1,570,329 km (0.095 R)
• M4: 2,342,852 km (0.104 R)
• M5: 4,742,701 km (0.104 R)
• M6: 7,415,866 km (0.085 R)
• M7: 11,412,822 km (0.114 R)
• M8: 11,974,562 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.6

Radius: 10.1

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.41 AU - 2.49 AU

Year: 2476 Days

Day: 8.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,987,936 km

• M1: 125,662 km (0.115 R)
• M2: 626,217 km (0.102 R)
• M3: 986,448 km (0.051 R)
• M4: 1,635,404 km (0.1 R)
• M5: 2,293,186 km (0.044 R)
• M6: 2,793,740 km (0.1 R)
• M7: 3,416,965 km (0.111 R)
• M8: 3,863,664 km (0.085 R)
• M9: 4,268,626 km (0.098 R)
• M10: 4,852,656 km (0.086 R)
• M11: 5,952,200 km (0.091 R)
• M12: 7,012,550 km (0.069 R)
• M13: 7,587,754 km (0.116 R)
• M14: 8,070,207 km (0.086 R)
• M15: 8,734,571 km (0.056 R)
• M16: 9,434,988 km (0.066 R)
• M17: 12,952,184 km (0.052 R)
• M18: 15,284,414 km (0.107 R)
• M19: 15,811,597 km (0.086 R)
• M20: 16,153,279 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.3

Radius: 12

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.03 AU - 2.97 AU

Year: 2552 Days

Day: 14.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,987,936 km

• M1: 149,897 km (0.073 R)
• M2: 720,164 km (0.108 R)
• M3: 1,099,694 km (0.084 R)
• M4: 1,609,374 km (0.117 R)
• M5: 1,995,037 km (0.045 R)
• M6: 2,698,746 km (0.089 R)
• M7: 3,250,463 km (0.108 R)
• M8: 3,997,106 km (0.028 R)
• M9: 5,222,312 km (0.101 R)
• M10: 6,560,465 km (0.052 R)
• M11: 7,482,287 km (0.069 R)
• M12: 8,430,438 km (0.074 R)
• M13: 9,085,527 km (0.065 R)
• M14: 11,220,738 km (0.028 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.6

Radius: 15

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 4.31 AU - 6.45 AU

Year: 8057 Days

Day: 5.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,987,936 km

• M1: 186,698 km (0.068 R)
• M2: 693,386 km (0.084 R)
• M3: 1,306,438 km (0.081 R)
• M4: 1,925,025 km (0.105 R)
• M5: 2,493,797 km (0.099 R)
• M6: 4,517,556 km (0.095 R)
• M7: 5,477,825 km (0.119 R)
• M8: 7,545,717 km (0.062 R)
• M9: 8,106,858 km (0.103 R)
• M10: 10,271,390 km (0.12 R)
• M11: 11,103,752 km (0.106 R)
• M12: 12,746,187 km (0.084 R)
• M13: 14,319,059 km (0.098 R)
• M14: 16,447,388 km (0.075 R)
• M15: 18,176,740 km (0.055 R)
• M16: 23,378,407 km (0.061 R)
• M17: 28,950,030 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 503.3

Radius: 7

Gravity: 10.27 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 7.12 AU - 10.38 AU

Year: 16712 Days

Day: 22.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 36,987,936 km

• M1: 87,066 km (0.11 R)
• M2: 491,279 km (0.096 R)
• M3: 743,651 km (0.087 R)
• M4: 1,525,001 km (0.108 R)
• M5: 1,898,995 km (0.073 R)
• M6: 2,312,933 km (0.088 R)
• M7: 3,585,263 km (0.057 R)
• M8: 7,069,098 km (0.063 R)
• M9: 7,509,065 km (0.088 R)
• M10: 7,827,709 km (0.062 R)
• M11: 8,395,133 km (0.055 R)
• M12: 9,297,059 km (0.09 R)
• M13: 10,206,614 km (0.116 R)
• M14: 12,579,087 km (0.093 R)
• M15: 13,290,873 km (0.112 R)
• M16: 14,443,375 km (0.068 R)
• M17: 17,733,182 km (0.118 R)
• M18: 18,627,478 km (0.109 R)
• M19: 19,296,629 km (0.042 R)
• M20: 22,319,853 km (0.079 R)
• M21: 22,979,280 km (0.045 R)
• M22: 24,934,823 km (0.101 R)
• M23: 27,747,263 km (0.111 R)
• M24: 28,509,465 km (0.118 R)
• M25: 29,062,378 km (0.098 R)
• M26: 33,746,437 km (0.043 R)
• M27: 38,103,774 km (0.109 R)
• M28: 41,114,581 km (0.069 R)
• M29: 42,677,729 km (0.085 R)
• M30: 48,070,583 km (0.084 R)
• M31: 49,327,654 km (0.061 R)
• M32: 60,365,434 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 74.6

Radius: 5.5

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 9.93 AU - 10.15 AU

Year: 20541 Days

Day: 18.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,987,936 km

• M1: 71,358 km (0.035 R)
• M2: 494,571 km (0.066 R)
• M3: 724,802 km (0.118 R)
• M4: 1,200,523 km (0.096 R)
• M5: 3,388,093 km (0.093 R)
• M6: 3,756,552 km (0.109 R)
• M7: 4,711,136 km (0.114 R)
• M8: 7,535,843 km (0.086 R)
• M9: 8,740,256 km (0.089 R)
• M10: 10,490,850 km (0.054 R)
• M11: 11,322,315 km (0.099 R)
• M12: 15,581,665 km (0.099 R)
• M13: 17,187,449 km (0.09 R)
• M14: 17,656,139 km (0.045 R)
• M15: 18,549,089 km (0.105 R)
• M16: 22,423,075 km (0.096 R)
• M17: 25,313,904 km (0.099 R)
• M18: 28,536,841 km (0.062 R)
• M19: 30,635,400 km (0.032 R)
• M20: 32,123,749 km (0.064 R)
• M21: 34,392,999 km (0.048 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: 170 - 18,837 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit