🌌 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: 739.9

Radius: 9.2

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.62 AU - 0.7 AU

Year: 370 Days

Day: 12.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,206,875 km

• M1: 114,442 km (0.108 R)
• M2: 417,228 km (0.046 R)
• M3: 759,060 km (0.12 R)
• M4: 1,130,960 km (0.107 R)
• M5: 1,569,431 km (0.106 R)
• M6: 1,980,227 km (0.044 R)
• M7: 2,343,451 km (0.048 R)
• M8: 3,041,325 km (0.115 R)
• M9: 3,635,827 km (0.084 R)
• M10: 4,091,203 km (0.104 R)
• M11: 4,401,917 km (0.091 R)
• M12: 4,964,854 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.5

Radius: 11.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.81 AU - 0.95 AU

Year: 570 Days

Day: 7.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,206,875 km

• M1: 147,952 km (0.113 R)
• M2: 804,388 km (0.116 R)
• M3: 1,298,958 km (0.098 R)
• M4: 1,736,083 km (0.1 R)
• M5: 2,179,192 km (0.092 R)
• M6: 2,558,572 km (0.047 R)
• M7: 3,177,160 km (0.116 R)
• M8: 3,713,019 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.8

Radius: 9.4

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.23 AU - 1.45 AU

Year: 1071 Days

Day: 12.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 52,206,875 km

• M1: 160,668 km (0.026 R)
• M2: 561,890 km (0.069 R)
• M3: 1,522,458 km (0.112 R)
• M4: 1,926,970 km (0.1 R)
• M5: 2,331,184 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.7

Radius: 12.5

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.44 AU - 1.8 AU

Year: 1423 Days

Day: 8 Hours

Environment

Temp: -202 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,206,875 km

• M1: 155,731 km (0.12 R)
• M2: 729,290 km (0.065 R)
• M3: 1,308,682 km (0.098 R)
• M4: 1,866,832 km (0.111 R)
• M5: 2,432,162 km (0.041 R)
• M6: 3,038,183 km (0.116 R)
• M7: 3,439,405 km (0.057 R)
• M8: 4,065,023 km (0.086 R)
• M9: 4,883,024 km (0.1 R)
• M10: 5,310,724 km (0.112 R)
• M11: 5,942,626 km (0.094 R)
• M12: 6,383,491 km (0.098 R)
• M13: 7,253,103 km (0.056 R)
• M14: 7,839,078 km (0.055 R)
• M15: 8,313,453 km (0.066 R)
• M16: 9,106,172 km (0.094 R)
• M17: 10,013,034 km (0.074 R)
• M18: 11,117,366 km (0.112 R)
• M19: 12,264,033 km (0.081 R)
• M20: 12,675,876 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.3

Radius: 12.2

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.64 AU - 1.72 AU

Year: 1503 Days

Day: 8.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,206,875 km

• M1: 151,991 km (0.042 R)
• M2: 606,320 km (0.116 R)
• M3: 996,322 km (0.097 R)
• M4: 1,618,799 km (0.089 R)
• M5: 2,020,618 km (0.093 R)
• M6: 2,744,523 km (0.054 R)
• M7: 3,292,200 km (0.091 R)
• M8: 3,929,786 km (0.082 R)
• M9: 4,628,259 km (0.112 R)
• M10: 5,232,186 km (0.066 R)
• M11: 5,724,961 km (0.11 R)
• M12: 6,396,955 km (0.066 R)
• M13: 9,525,196 km (0.04 R)
• M14: 11,254,846 km (0.084 R)
• M15: 14,015,974 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357

Radius: 14.6

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.85 AU - 2.95 AU

Year: 2566 Days

Day: 10.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,206,875 km

• M1: 181,612 km (0.081 R)
• M2: 690,843 km (0.089 R)
• M3: 1,234,930 km (0.083 R)
• M4: 1,709,754 km (0.102 R)
• M5: 2,199,986 km (0.108 R)
• M6: 3,063,016 km (0.101 R)
• M7: 3,676,218 km (0.072 R)
• M8: 4,274,610 km (0.09 R)
• M9: 4,916,684 km (0.035 R)
• M10: 6,024,605 km (0.108 R)
• M11: 8,303,430 km (0.095 R)
• M12: 9,274,470 km (0.073 R)
• M13: 10,215,590 km (0.083 R)
• M14: 12,766,682 km (0.093 R)
• M15: 14,277,022 km (0.104 R)
• M16: 14,895,460 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.9

Radius: 11.4

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.47 AU - 3.93 AU

Year: 3951 Days

Day: 12.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,206,875 km

• M1: 141,819 km (0.087 R)
• M2: 526,884 km (0.109 R)
• M3: 1,039,556 km (0.083 R)
• M4: 2,061,907 km (0.089 R)
• M5: 2,577,871 km (0.108 R)
• M6: 3,065,560 km (0.1 R)
• M7: 3,629,992 km (0.117 R)
• M8: 4,140,869 km (0.087 R)
• M9: 4,851,609 km (0.109 R)
• M10: 5,493,832 km (0.115 R)
• M11: 6,398,899 km (0.09 R)
• M12: 7,072,239 km (0.093 R)
• M13: 8,702,707 km (0.098 R)
• M14: 10,025,301 km (0.083 R)
• M15: 10,668,871 km (0.115 R)
• M16: 11,271,601 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.5

Radius: 11.1

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 4.84 AU - 4.84 AU

Year: 7350 Days

Day: 11.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 52,206,875 km

• M1: 138,079 km (0.109 R)
• M2: 498,161 km (0.08 R)
• M3: 944,561 km (0.073 R)
• M4: 1,348,026 km (0.093 R)
• M5: 2,108,283 km (0.11 R)
• M6: 2,707,273 km (0.117 R)
• M7: 4,747,339 km (0.069 R)
• M8: 6,021,314 km (0.104 R)
• M9: 6,888,084 km (0.065 R)
• M10: 7,690,228 km (0.104 R)
• M11: 8,246,283 km (0.095 R)
• M12: 8,592,602 km (0.111 R)
• M13: 9,860,893 km (0.108 R)
• M14: 11,017,584 km (0.087 R)
• M15: 12,512,366 km (0.067 R)
• M16: 13,652,302 km (0.065 R)
• M17: 15,490,261 km (0.1 R)
• M18: 16,438,412 km (0.099 R)
• M19: 18,911,265 km (0.078 R)
• M20: 19,380,105 km (0.068 R)
• M21: 19,788,058 km (0.097 R)
• M22: 21,695,132 km (0.092 R)
• M23: 22,283,052 km (0.088 R)
• M24: 24,980,900 km (0.107 R)
• M25: 26,201,169 km (0.063 R)
• M26: 27,803,213 km (0.07 R)
• M27: 29,648,952 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 407.7

Radius: 4.6

Gravity: 19.27 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 6.43 AU - 7.57 AU

Year: 12784 Days

Day: 24.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,206,875 km

• M1: 57,296 km (0.11 R)
• M2: 541,843 km (0.088 R)
• M3: 1,155,344 km (0.062 R)
• M4: 2,197,443 km (0.085 R)
• M5: 2,558,722 km (0.107 R)
• M6: 3,025,318 km (0.114 R)
• M7: 3,571,500 km (0.064 R)
• M8: 5,502,359 km (0.11 R)
• M9: 6,574,228 km (0.048 R)
• M10: 10,509,400 km (0.055 R)
• M11: 14,710,557 km (0.046 R)
• M12: 15,038,176 km (0.108 R)
• M13: 16,749,426 km (0.061 R)
• M14: 17,615,149 km (0.097 R)
• M15: 18,969,010 km (0.097 R)
• M16: 21,377,087 km (0.099 R)
• M17: 26,692,748 km (0.076 R)
• M18: 27,673,063 km (0.032 R)
• M19: 34,984,210 km (0.076 R)
• M20: 38,830,521 km (0.105 R)
• M21: 41,502,189 km (0.098 R)
• M22: 45,666,246 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 369.7

Radius: 4.8

Gravity: 16.05 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 7.15 AU - 8.75 AU

Year: 15473 Days

Day: 19.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 52,206,875 km

• M1: 59,690 km (0.119 R)
• M2: 298,298 km (0.033 R)
• M3: 495,917 km (0.08 R)
• M4: 762,650 km (0.072 R)
• M5: 1,192,145 km (0.046 R)
• M6: 1,384,827 km (0.066 R)
• M7: 1,705,117 km (0.106 R)
• M8: 3,249,116 km (0.088 R)
• M9: 3,627,449 km (0.119 R)
• M10: 4,062,779 km (0.095 R)
• M11: 6,157,299 km (0.092 R)
• M12: 7,692,173 km (0.106 R)
• M13: 7,867,202 km (0.088 R)
• M14: 8,134,833 km (0.059 R)
• M15: 8,594,547 km (0.09 R)
• M16: 8,926,355 km (0.112 R)
• M17: 9,168,554 km (0.099 R)
• M18: 10,286,948 km (0.031 R)
• M19: 12,189,534 km (0.118 R)
• M20: 13,987,700 km (0.045 R)
• M21: 14,314,571 km (0.119 R)
• M22: 15,326,003 km (0.029 R)
• M23: 16,456,364 km (0.102 R)
• M24: 16,894,237 km (0.098 R)
• M25: 22,413,202 km (0.081 R)
• M26: 24,711,175 km (0.11 R)
• M27: 29,234,865 km (0.055 R)
• M28: 30,528,138 km (0.093 R)
• M29: 32,538,883 km (0.082 R)
• M30: 37,444,945 km (0.102 R)
• M31: 40,401,897 km (0.062 R)
• M32: 43,788,344 km (0.104 R)
• M33: 49,140,208 km (0.114 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 247 - 18,508 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit