🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.5

Radius: 10.2

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.73 AU - 0.77 AU

Year: 419 Days

Day: 9.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 85,450,555 km

• M1: 126,859 km (0.077 R)
• M2: 449,542 km (0.084 R)
• M3: 885,470 km (0.06 R)
• M4: 1,584,391 km (0.058 R)
• M5: 2,382,795 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.7

Radius: 10.3

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.79 AU - 1.25 AU

Year: 665 Days

Day: 6.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 85,450,555 km

• M1: 128,056 km (0.11 R)
• M2: 489,933 km (0.099 R)
• M3: 980,315 km (0.073 R)
• M4: 2,189,664 km (0.095 R)
• M5: 2,653,567 km (0.085 R)
• M6: 3,169,680 km (0.118 R)
• M7: 3,518,841 km (0.12 R)
• M8: 3,879,372 km (0.113 R)
• M9: 4,203,700 km (0.084 R)
• M10: 4,740,906 km (0.098 R)
• M11: 5,077,801 km (0.112 R)
• M12: 5,914,352 km (0.112 R)
• M13: 6,345,642 km (0.062 R)
• M14: 7,183,839 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.8

Radius: 11

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.88 AU - 1.18 AU

Year: 675 Days

Day: 11.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 85,450,555 km

• M1: 136,732 km (0.063 R)
• M2: 579,542 km (0.109 R)
• M3: 1,073,814 km (0.086 R)
• M4: 1,495,380 km (0.117 R)
• M5: 2,009,548 km (0.082 R)
• M6: 2,436,501 km (0.112 R)
• M7: 3,396,470 km (0.098 R)
• M8: 4,006,979 km (0.065 R)
• M9: 4,385,761 km (0.09 R)
• M10: 4,871,804 km (0.101 R)
• M11: 5,971,648 km (0.065 R)
• M12: 6,549,395 km (0.094 R)
• M13: 7,077,026 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292

Radius: 12.3

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.44 AU - 2.18 AU

Year: 1572 Days

Day: 6.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 85,450,555 km

• M1: 153,039 km (0.056 R)
• M2: 762,500 km (0.1 R)
• M3: 1,187,508 km (0.083 R)
• M4: 1,634,357 km (0.057 R)
• M5: 2,258,329 km (0.066 R)
• M6: 2,705,627 km (0.113 R)
• M7: 3,525,423 km (0.105 R)
• M8: 4,132,043 km (0.065 R)
• M9: 4,789,226 km (0.119 R)
• M10: 5,515,075 km (0.06 R)
• M11: 6,512,743 km (0.07 R)
• M12: 7,306,809 km (0.077 R)
• M13: 8,429,092 km (0.095 R)
• M14: 10,049,686 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.2

Radius: 9.8

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.98 AU - 2.02 AU

Year: 1826 Days

Day: 13.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 85,450,555 km

• M1: 122,072 km (0.112 R)
• M2: 448,644 km (0.099 R)
• M3: 762,650 km (0.115 R)
• M4: 1,112,111 km (0.095 R)
• M5: 1,517,820 km (0.055 R)
• M6: 1,828,984 km (0.1 R)
• M7: 2,161,240 km (0.071 R)
• M8: 2,671,968 km (0.104 R)
• M9: 3,018,586 km (0.064 R)
• M10: 3,365,204 km (0.057 R)
• M11: 4,440,663 km (0.112 R)
• M12: 5,087,375 km (0.109 R)
• M13: 5,817,562 km (0.073 R)
• M14: 6,311,385 km (0.097 R)
• M15: 7,382,655 km (0.117 R)
• M16: 7,747,823 km (0.06 R)
• M17: 8,829,117 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.4

Radius: 9.6

Gravity: 9.11 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.7 AU - 3.08 AU

Year: 3172 Days

Day: 6.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 85,450,555 km

• M1: 119,379 km (0.117 R)
• M2: 460,013 km (0.111 R)
• M3: 786,286 km (0.061 R)
• M4: 1,199,476 km (0.09 R)
• M5: 2,268,203 km (0.08 R)
• M6: 2,810,944 km (0.051 R)
• M7: 3,268,414 km (0.106 R)
• M8: 3,815,942 km (0.044 R)
• M9: 4,632,298 km (0.12 R)
• M10: 6,140,394 km (0.099 R)
• M11: 6,608,636 km (0.075 R)
• M12: 7,006,416 km (0.089 R)
• M13: 7,816,489 km (0.104 R)
• M14: 9,016,712 km (0.037 R)
• M15: 9,392,054 km (0.059 R)
• M16: 9,699,926 km (0.112 R)
• M17: 12,227,980 km (0.049 R)
• M18: 12,595,393 km (0.05 R)
• M19: 13,643,775 km (0.094 R)
• M20: 14,956,646 km (0.077 R)
• M21: 15,271,250 km (0.041 R)
• M22: 16,741,797 km (0.07 R)
• M23: 18,907,376 km (0.08 R)
• M24: 20,536,646 km (0.09 R)
• M25: 22,054,167 km (0.088 R)
• M26: 22,667,817 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.4

Radius: 8.1

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.69 AU - 4.35 AU

Year: 4264 Days

Day: 13.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 170.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 85,450,555 km

• M1: 100,979 km (0.097 R)
• M2: 444,605 km (0.119 R)
• M3: 742,604 km (0.093 R)
• M4: 1,117,346 km (0.102 R)
• M5: 1,478,177 km (0.102 R)
• M6: 2,132,069 km (0.056 R)
• M7: 2,646,087 km (0.096 R)
• M8: 6,364,791 km (0.026 R)
• M9: 6,620,304 km (0.041 R)
• M10: 7,031,250 km (0.099 R)
• M11: 11,079,069 km (0.039 R)
• M12: 13,335,005 km (0.109 R)
• M13: 15,065,403 km (0.091 R)
• M14: 15,674,117 km (0.073 R)
• M15: 17,157,978 km (0.111 R)
• M16: 18,617,754 km (0.07 R)
• M17: 19,318,620 km (0.118 R)
• M18: 20,036,989 km (0.084 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.2

Radius: 13.1

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 4.55 AU - 6.77 AU

Year: 8694 Days

Day: 11.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 85,450,555 km

• M1: 167,250 km (0.088 R)
• M2: 1,431,951 km (0.044 R)
• M3: 1,867,281 km (0.08 R)
• M4: 2,741,830 km (0.103 R)
• M5: 3,595,585 km (0.108 R)
• M6: 4,112,146 km (0.032 R)
• M7: 4,707,995 km (0.114 R)
• M8: 5,296,064 km (0.108 R)
• M9: 5,794,674 km (0.087 R)
• M10: 6,324,400 km (0.116 R)
• M11: 7,604,957 km (0.074 R)
• M12: 10,264,209 km (0.111 R)
• M13: 11,042,268 km (0.092 R)
• M14: 13,675,190 km (0.114 R)
• M15: 15,602,759 km (0.115 R)
• M16: 16,492,118 km (0.057 R)
• M17: 19,131,324 km (0.115 R)
• M18: 24,680,956 km (0.078 R)
• M19: 25,888,061 km (0.049 R)
• M20: 26,554,071 km (0.037 R)
• M21: 28,823,471 km (0.119 R)
• M22: 30,266,641 km (0.078 R)
• M23: 32,520,782 km (0.077 R)
• M24: 33,632,593 km (0.112 R)
• M25: 34,311,768 km (0.107 R)
• M26: 35,231,645 km (0.085 R)
• M27: 36,285,861 km (0.059 R)
• M28: 39,826,544 km (0.113 R)
• M29: 40,459,492 km (0.036 R)
• M30: 46,741,107 km (0.059 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 177.2

Radius: 7.4

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 7.45 AU - 10.89 AU

Year: 17930 Days

Day: 20.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 85,450,555 km

• M1: 115,938 km (0.066 R)
• M2: 367,712 km (0.042 R)
• M3: 829,221 km (0.111 R)
• M4: 2,225,867 km (0.046 R)
• M5: 2,619,309 km (0.102 R)
• M6: 8,868,760 km (0.084 R)
• M7: 10,657,951 km (0.117 R)
• M8: 15,521,228 km (0.115 R)
• M9: 16,534,604 km (0.063 R)
• M10: 30,124,074 km (0.091 R)
• M11: 35,925,480 km (0.04 R)
• M12: 41,274,053 km (0.026 R)

Asteroid Belt

Center: 10.1 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 11.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 695.6

Radius: 6.4

Gravity: 16.98 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 8.62 AU - 13.42 AU

Year: 23620 Days

Day: 21.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 85,450,555 km

• M1: 212,878 km (0.091 R)
• M2: 491,728 km (0.109 R)
• M3: 1,760,019 km (0.099 R)
• M4: 3,464,687 km (0.06 R)
• M5: 3,963,895 km (0.119 R)
• M6: 5,543,349 km (0.109 R)
• M7: 6,050,037 km (0.115 R)
• M8: 6,314,676 km (0.085 R)
• M9: 6,633,170 km (0.087 R)
• M10: 7,858,975 km (0.104 R)
• M11: 14,832,479 km (0.059 R)
• M12: 15,477,246 km (0.072 R)
• M13: 23,741,631 km (0.115 R)
• M14: 25,986,646 km (0.107 R)
• M15: 27,041,610 km (0.108 R)
• M16: 27,760,578 km (0.048 R)
• M17: 38,150,299 km (0.116 R)
• M18: 48,717,444 km (0.096 R)
• M19: 51,405,568 km (0.117 R)
• M20: 52,138,747 km (0.078 R)
• M21: 55,717,129 km (0.115 R)
• M22: 65,908,783 km (0.079 R)
• M23: 68,748,300 km (0.1 R)
• M24: 72,813,173 km (0.11 R)
• M25: 74,670,132 km (0.053 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 228 - 14,873 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit