🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.7

Radius: 12.2

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.75 AU - 0.89 AU

Year: 513 Days

Day: 12.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 53,505,514 km

• M1: 153,338 km (0.12 R)
• M2: 666,907 km (0.085 R)
• M3: 1,823,598 km (0.114 R)
• M4: 2,537,180 km (0.1 R)
• M5: 3,104,754 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.2

Radius: 13

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.22 AU - 4.8 AU

Year: 5543 Days

Day: 12.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,505,514 km

• M1: 166,652 km (0.12 R)
• M2: 826,977 km (0.077 R)
• M3: 1,382,434 km (0.102 R)
• M4: 1,836,164 km (0.092 R)
• M5: 2,977,746 km (0.103 R)
• M6: 4,003,538 km (0.085 R)
• M7: 4,677,028 km (0.067 R)
• M8: 6,645,137 km (0.102 R)
• M9: 8,626,112 km (0.077 R)
• M10: 14,052,326 km (0.109 R)
• M11: 15,253,747 km (0.093 R)
• M12: 16,031,057 km (0.092 R)
• M13: 21,780,702 km (0.097 R)
• M14: 23,231,652 km (0.103 R)
• M15: 23,703,035 km (0.108 R)
• M16: 24,583,717 km (0.03 R)
• M17: 25,736,070 km (0.087 R)
• M18: 26,495,578 km (0.116 R)
• M19: 27,619,058 km (0.062 R)
• M20: 28,326,207 km (0.068 R)
• M21: 29,592,404 km (0.098 R)
• M22: 32,237,892 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.2

Radius: 10.3

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 3.68 AU - 5.62 AU

Year: 6921 Days

Day: 5.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,505,514 km

• M1: 132,544 km (0.043 R)
• M2: 512,672 km (0.117 R)
• M3: 946,356 km (0.098 R)
• M4: 1,634,955 km (0.09 R)
• M5: 2,049,640 km (0.095 R)
• M6: 3,222,937 km (0.026 R)
• M7: 4,010,121 km (0.083 R)
• M8: 4,845,924 km (0.093 R)
• M9: 5,438,331 km (0.096 R)
• M10: 5,850,174 km (0.104 R)
• M11: 6,892,722 km (0.061 R)
• M12: 9,576,657 km (0.075 R)
• M13: 9,934,944 km (0.093 R)
• M14: 10,468,261 km (0.112 R)
• M15: 10,848,538 km (0.025 R)
• M16: 13,426,409 km (0.092 R)
• M17: 15,338,120 km (0.066 R)
• M18: 17,720,765 km (0.12 R)
• M19: 19,313,534 km (0.076 R)
• M20: 20,080,073 km (0.085 R)
• M21: 21,878,689 km (0.107 R)
• M22: 24,073,439 km (0.106 R)
• M23: 25,036,101 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.4

Radius: 14.6

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 4.45 AU - 5.13 AU

Year: 7236 Days

Day: 8.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 53,505,514 km

• M1: 183,706 km (0.109 R)
• M2: 733,030 km (0.12 R)
• M3: 1,264,252 km (0.111 R)
• M4: 1,949,111 km (0.085 R)
• M5: 2,581,012 km (0.085 R)
• M6: 3,532,754 km (0.089 R)
• M7: 4,765,590 km (0.092 R)
• M8: 5,339,298 km (0.093 R)
• M9: 5,925,123 km (0.109 R)
• M10: 6,884,494 km (0.041 R)
• M11: 9,294,516 km (0.065 R)
• M12: 11,839,774 km (0.049 R)
• M13: 13,956,434 km (0.055 R)
• M14: 16,382,164 km (0.092 R)
• M15: 17,553,665 km (0.114 R)
• M16: 18,340,998 km (0.118 R)
• M17: 19,226,618 km (0.074 R)
• M18: 19,756,344 km (0.101 R)
• M19: 21,728,193 km (0.054 R)
• M20: 23,142,043 km (0.087 R)
• M21: 25,421,914 km (0.051 R)
• M22: 26,616,304 km (0.086 R)
• M23: 28,624,356 km (0.064 R)
• M24: 29,216,165 km (0.117 R)
• M25: 30,220,864 km (0.12 R)
• M26: 31,040,960 km (0.052 R)
• M27: 33,373,041 km (0.089 R)
• M28: 35,140,839 km (0.07 R)
• M29: 35,933,708 km (0.065 R)
• M30: 38,027,031 km (0.088 R)
• M31: 38,503,201 km (0.118 R)
• M32: 42,711,688 km (0.076 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 893.4

Radius: 5.9

Gravity: 25.67 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 5.98 AU - 6.64 AU

Year: 10941 Days

Day: 17.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 53,505,514 km

• M1: 73,752 km (0.041 R)
• M2: 272,268 km (0.075 R)
• M3: 491,579 km (0.05 R)
• M4: 880,084 km (0.12 R)
• M5: 2,729,563 km (0.101 R)
• M6: 3,418,461 km (0.041 R)
• M7: 3,681,005 km (0.1 R)
• M8: 4,071,306 km (0.066 R)
• M9: 4,276,405 km (0.1 R)
• M10: 5,304,292 km (0.055 R)
• M11: 6,932,066 km (0.069 R)
• M12: 7,747,375 km (0.069 R)
• M13: 8,109,102 km (0.05 R)
• M14: 9,878,097 km (0.088 R)
• M15: 11,771,108 km (0.087 R)
• M16: 13,566,133 km (0.076 R)
• M17: 14,025,399 km (0.075 R)
• M18: 16,700,807 km (0.079 R)
• M19: 21,411,345 km (0.115 R)
• M20: 21,943,913 km (0.064 R)
• M21: 24,258,940 km (0.115 R)
• M22: 25,723,354 km (0.032 R)
• M23: 27,039,366 km (0.098 R)
• M24: 34,177,429 km (0.077 R)
• M25: 35,890,474 km (0.105 R)
• M26: 39,752,493 km (0.108 R)
• M27: 41,783,433 km (0.108 R)
• M28: 42,894,347 km (0.107 R)
• M29: 46,050,862 km (0.093 R)
• M30: 53,468,373 km (0.063 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 558.9

Radius: 6.8

Gravity: 12.09 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 5.83 AU - 8.47 AU

Year: 13197 Days

Day: 20.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 53,505,514 km

• M1: 84,523 km (0.075 R)
• M2: 649,704 km (0.109 R)
• M3: 1,019,360 km (0.092 R)
• M4: 1,265,598 km (0.087 R)
• M5: 1,537,268 km (0.076 R)
• M6: 1,847,534 km (0.098 R)
• M7: 2,125,487 km (0.073 R)
• M8: 2,636,962 km (0.097 R)
• M9: 3,036,837 km (0.093 R)
• M10: 3,658,715 km (0.104 R)
• M11: 5,152,749 km (0.09 R)
• M12: 7,138,062 km (0.059 R)
• M13: 9,085,079 km (0.118 R)
• M14: 10,746,064 km (0.102 R)
• M15: 11,078,620 km (0.111 R)
• M16: 11,590,394 km (0.111 R)
• M17: 17,302,490 km (0.112 R)
• M18: 20,418,763 km (0.092 R)
• M19: 22,692,351 km (0.085 R)
• M20: 27,118,803 km (0.107 R)
• M21: 27,735,595 km (0.118 R)
• M22: 30,960,177 km (0.113 R)
• M23: 33,831,409 km (0.113 R)
• M24: 37,505,383 km (0.109 R)
• M25: 38,786,838 km (0.075 R)
• M26: 40,495,994 km (0.088 R)
• M27: 41,980,902 km (0.101 R)
• M28: 43,361,990 km (0.101 R)
• M29: 47,984,863 km (0.108 R)
• M30: 49,646,896 km (0.119 R)
• M31: 53,727,028 km (0.053 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 206.4

Radius: 4.3

Gravity: 11.16 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 6.45 AU - 9.81 AU

Year: 16001 Days

Day: 18.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 53,505,514 km

• M1: 53,556 km (0.053 R)
• M2: 229,932 km (0.101 R)
• M3: 546,930 km (0.096 R)
• M4: 691,292 km (0.074 R)
• M5: 870,660 km (0.07 R)
• M6: 1,465,461 km (0.079 R)
• M7: 2,241,724 km (0.095 R)
• M8: 2,738,987 km (0.089 R)
• M9: 2,884,696 km (0.117 R)
• M10: 3,260,336 km (0.097 R)
• M11: 3,667,691 km (0.073 R)
• M12: 4,383,218 km (0.06 R)
• M13: 4,729,537 km (0.101 R)
• M14: 5,031,724 km (0.069 R)
• M15: 5,509,091 km (0.069 R)
• M16: 7,559,629 km (0.081 R)
• M17: 8,142,163 km (0.113 R)
• M18: 8,709,289 km (0.078 R)
• M19: 9,680,628 km (0.055 R)
• M20: 11,456,055 km (0.098 R)
• M21: 11,890,488 km (0.067 R)
• M22: 13,377,939 km (0.112 R)
• M23: 14,985,219 km (0.116 R)
• M24: 15,438,949 km (0.095 R)
• M25: 16,373,786 km (0.069 R)
• M26: 19,252,049 km (0.042 R)
• M27: 25,159,370 km (0.101 R)
• M28: 29,975,524 km (0.093 R)
• M29: 30,591,717 km (0.078 R)
• M30: 32,706,732 km (0.101 R)
• M31: 34,132,699 km (0.119 R)
• M32: 34,355,600 km (0.059 R)
• M33: 38,176,479 km (0.111 R)
• M34: 42,015,011 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 307.9

Radius: 6

Gravity: 8.55 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 8.35 AU - 8.97 AU

Year: 17591 Days

Day: 23.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,505,514 km

• M1: 74,799 km (0.076 R)
• M2: 515,065 km (0.053 R)
• M3: 741,856 km (0.098 R)
• M4: 1,161,777 km (0.092 R)
• M5: 1,942,828 km (0.092 R)
• M6: 2,287,800 km (0.069 R)
• M7: 5,657,492 km (0.085 R)
• M8: 7,587,454 km (0.091 R)
• M9: 9,307,980 km (0.111 R)
• M10: 9,660,432 km (0.084 R)
• M11: 10,392,115 km (0.081 R)
• M12: 13,885,226 km (0.088 R)
• M13: 16,653,684 km (0.096 R)
• M14: 16,949,289 km (0.105 R)
• M15: 17,323,583 km (0.072 R)
• M16: 20,435,967 km (0.052 R)
• M17: 21,203,703 km (0.089 R)
• M18: 23,808,352 km (0.117 R)
• M19: 28,575,288 km (0.07 R)
• M20: 31,517,728 km (0.048 R)
• M21: 34,655,843 km (0.115 R)
• M22: 34,896,247 km (0.037 R)
• M23: 35,624,190 km (0.102 R)
• M24: 39,941,734 km (0.098 R)
• M25: 48,388,478 km (0.082 R)
• M26: 50,209,533 km (0.116 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 162 - 18,638 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit