🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.5

Radius: 9

Gravity: 9.12 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.53 AU - 0.79 AU

Year: 358 Days

Day: 6.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,033,156 km

• M1: 111,899 km (0.101 R)
• M2: 424,110 km (0.119 R)
• M3: 938,876 km (0.077 R)
• M4: 1,461,870 km (0.042 R)
• M5: 2,020,918 km (0.064 R)
• M6: 2,619,010 km (0.097 R)
• M7: 3,229,519 km (0.116 R)
• M8: 3,634,630 km (0.072 R)
• M9: 4,073,400 km (0.091 R)
• M10: 5,012,277 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.8

Radius: 13.8

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.63 AU - 0.89 AU

Year: 442 Days

Day: 7.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,033,156 km

• M1: 171,589 km (0.076 R)
• M2: 705,803 km (0.074 R)
• M3: 1,213,688 km (0.106 R)
• M4: 1,908,420 km (0.118 R)
• M5: 2,439,792 km (0.098 R)
• M6: 2,994,800 km (0.062 R)
• M7: 3,694,768 km (0.06 R)
• M8: 4,198,015 km (0.086 R)
• M9: 4,955,579 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.2

Radius: 11.1

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.77 AU - 0.89 AU

Year: 504 Days

Day: 9 Hours

Environment

Temp: -177 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,033,156 km

• M1: 138,079 km (0.099 R)
• M2: 753,674 km (0.088 R)
• M3: 1,151,006 km (0.049 R)
• M4: 1,858,454 km (0.092 R)
• M5: 2,354,670 km (0.119 R)
• M6: 2,737,043 km (0.067 R)
• M7: 3,576,287 km (0.068 R)
• M8: 4,070,708 km (0.047 R)
• M9: 4,486,440 km (0.095 R)
• M10: 4,963,358 km (0.063 R)
• M11: 5,386,421 km (0.118 R)
• M12: 5,796,768 km (0.047 R)
• M13: 6,208,910 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.5

Radius: 9.9

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.21 AU - 1.41 AU

Year: 1000 Days

Day: 9.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,033,156 km

• M1: 128,355 km (0.098 R)
• M2: 1,133,204 km (0.1 R)
• M3: 1,444,816 km (0.081 R)
• M4: 1,961,078 km (0.118 R)
• M5: 2,278,974 km (0.074 R)
• M6: 2,725,224 km (0.055 R)
• M7: 4,959,169 km (0.059 R)
• M8: 5,673,050 km (0.052 R)
• M9: 6,737,290 km (0.1 R)
• M10: 7,588,950 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.9

Radius: 15

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.63 AU - 2.07 AU

Year: 1678 Days

Day: 9.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,033,156 km

• M1: 186,698 km (0.107 R)
• M2: 784,790 km (0.102 R)
• M3: 1,312,721 km (0.082 R)
• M4: 1,987,557 km (0.034 R)
• M5: 2,977,746 km (0.109 R)
• M6: 4,581,285 km (0.045 R)
• M7: 5,214,982 km (0.056 R)
• M8: 7,646,845 km (0.071 R)
• M9: 8,150,092 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.7

Radius: 12.5

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.22 AU - 3.18 AU

Year: 2959 Days

Day: 7.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,033,156 km

• M1: 155,432 km (0.076 R)
• M2: 958,922 km (0.093 R)
• M3: 1,421,180 km (0.096 R)
• M4: 1,881,044 km (0.075 R)
• M5: 2,390,125 km (0.088 R)
• M6: 3,311,349 km (0.1 R)
• M7: 3,706,736 km (0.08 R)
• M8: 4,245,887 km (0.059 R)
• M9: 5,348,722 km (0.042 R)
• M10: 9,186,656 km (0.084 R)
• M11: 10,489,354 km (0.09 R)
• M12: 10,949,816 km (0.096 R)
• M13: 13,624,476 km (0.103 R)
• M14: 14,259,071 km (0.108 R)
• M15: 14,736,886 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.6

Radius: 9.7

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.67 AU - 3.31 AU

Year: 3448 Days

Day: 14.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 91.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,033,156 km

• M1: 120,875 km (0.082 R)
• M2: 439,219 km (0.089 R)
• M3: 763,398 km (0.103 R)
• M4: 1,184,366 km (0.083 R)
• M5: 2,017,178 km (0.112 R)
• M6: 2,442,185 km (0.109 R)
• M7: 3,030,554 km (0.117 R)
• M8: 3,869,349 km (0.105 R)
• M9: 4,275,806 km (0.114 R)
• M10: 6,394,860 km (0.041 R)
• M11: 6,832,434 km (0.078 R)
• M12: 7,941,253 km (0.066 R)
• M13: 8,447,193 km (0.087 R)
• M14: 9,262,651 km (0.073 R)
• M15: 9,890,962 km (0.046 R)
• M16: 10,689,366 km (0.032 R)
• M17: 12,812,459 km (0.103 R)
• M18: 14,144,479 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.3

Radius: 9.1

Gravity: 11.31 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.23 AU - 4.07 AU

Year: 4650 Days

Day: 5.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 33,033,156 km

• M1: 114,442 km (0.109 R)
• M2: 461,210 km (0.075 R)
• M3: 760,556 km (0.038 R)
• M4: 1,165,517 km (0.047 R)
• M5: 1,698,684 km (0.116 R)
• M6: 2,149,422 km (0.108 R)
• M7: 2,804,960 km (0.112 R)
• M8: 3,374,479 km (0.115 R)
• M9: 4,586,820 km (0.044 R)
• M10: 5,150,954 km (0.043 R)
• M11: 5,435,489 km (0.109 R)
• M12: 6,036,274 km (0.117 R)
• M13: 6,450,211 km (0.041 R)
• M14: 7,264,024 km (0.067 R)
• M15: 7,695,763 km (0.114 R)
• M16: 10,073,023 km (0.104 R)
• M17: 11,026,111 km (0.112 R)
• M18: 11,404,444 km (0.11 R)
• M19: 13,005,740 km (0.032 R)
• M20: 14,922,986 km (0.077 R)
• M21: 17,210,038 km (0.063 R)
• M22: 17,527,485 km (0.095 R)
• M23: 20,848,109 km (0.095 R)
• M24: 21,136,384 km (0.064 R)
• M25: 24,887,850 km (0.086 R)
• M26: 25,704,654 km (0.105 R)
• M27: 30,149,955 km (0.112 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.7

Radius: 12.5

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.2 AU - 5.06 AU

Year: 5597 Days

Day: 12.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 33,033,156 km

• M1: 155,432 km (0.11 R)
• M2: 615,595 km (0.113 R)
• M3: 1,079,199 km (0.119 R)
• M4: 1,780,663 km (0.065 R)
• M5: 2,661,496 km (0.089 R)
• M6: 3,314,042 km (0.063 R)
• M7: 4,094,943 km (0.089 R)
• M8: 4,620,181 km (0.057 R)
• M9: 6,244,215 km (0.107 R)
• M10: 7,080,916 km (0.053 R)
• M11: 7,618,122 km (0.07 R)
• M12: 9,142,823 km (0.111 R)
• M13: 10,402,288 km (0.1 R)
• M14: 11,626,896 km (0.11 R)
• M15: 12,072,548 km (0.114 R)
• M16: 13,695,535 km (0.072 R)
• M17: 14,531,040 km (0.118 R)
• M18: 15,165,185 km (0.09 R)
• M19: 16,612,993 km (0.039 R)
• M20: 17,115,343 km (0.032 R)
• M21: 17,757,716 km (0.051 R)
• M22: 20,489,373 km (0.12 R)
• M23: 27,550,393 km (0.117 R)
• M24: 28,791,457 km (0.047 R)
• M25: 29,334,497 km (0.108 R)
• M26: 32,250,459 km (0.113 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: 506 - 12,846 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit