🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.7

Radius: 8.7

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.65 AU - 0.79 AU

Year: 422 Days

Day: 9.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,506,183 km

• M1: 108,159 km (0.101 R)
• M2: 382,971 km (0.033 R)
• M3: 930,648 km (0.048 R)
• M4: 1,794,426 km (0.08 R)
• M5: 2,290,343 km (0.065 R)
• M6: 2,655,661 km (0.105 R)
• M7: 3,031,451 km (0.061 R)
• M8: 3,619,072 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.9

Radius: 12.7

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.84 AU - 1.1 AU

Year: 659 Days

Day: 8.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,506,183 km

• M1: 158,125 km (0.118 R)
• M2: 562,638 km (0.077 R)
• M3: 1,086,081 km (0.061 R)
• M4: 1,534,725 km (0.118 R)
• M5: 2,437,249 km (0.114 R)
• M6: 3,125,100 km (0.079 R)
• M7: 3,723,042 km (0.097 R)
• M8: 4,240,052 km (0.032 R)
• M9: 5,328,377 km (0.051 R)
• M10: 6,085,791 km (0.047 R)
• M11: 6,490,752 km (0.091 R)
• M12: 6,935,357 km (0.111 R)
• M13: 7,886,052 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670

Radius: 13.7

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1 AU - 1.4 AU

Year: 907 Days

Day: 7.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,506,183 km

• M1: 170,392 km (0.094 R)
• M2: 629,209 km (0.11 R)
• M3: 1,107,024 km (0.109 R)
• M4: 2,376,362 km (0.064 R)
• M5: 3,124,651 km (0.095 R)
• M6: 3,751,915 km (0.115 R)
• M7: 4,329,512 km (0.055 R)
• M8: 5,038,606 km (0.029 R)
• M9: 6,007,102 km (0.094 R)
• M10: 7,258,638 km (0.034 R)
• M11: 8,058,987 km (0.089 R)
• M12: 8,624,616 km (0.11 R)
• M13: 9,299,602 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.3

Radius: 11.9

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.87 AU - 2.59 AU

Year: 2299 Days

Day: 6.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,506,183 km

• M1: 147,952 km (0.072 R)
• M2: 546,481 km (0.099 R)
• M3: 938,278 km (0.058 R)
• M4: 1,327,681 km (0.082 R)
• M5: 2,523,118 km (0.066 R)
• M6: 2,949,472 km (0.11 R)
• M7: 4,231,675 km (0.044 R)
• M8: 7,987,479 km (0.119 R)
• M9: 8,984,250 km (0.057 R)
• M10: 9,803,298 km (0.111 R)
• M11: 13,447,951 km (0.054 R)
• M12: 16,413,430 km (0.098 R)
• M13: 19,731,211 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.9

Radius: 8.7

Gravity: 9.74 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.2 AU - 2.44 AU

Year: 2439 Days

Day: 13.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,506,183 km

• M1: 108,309 km (0.04 R)
• M2: 385,215 km (0.117 R)
• M3: 756,666 km (0.05 R)
• M4: 1,356,105 km (0.098 R)
• M5: 1,892,263 km (0.055 R)
• M6: 2,378,756 km (0.104 R)
• M7: 3,093,684 km (0.058 R)
• M8: 3,886,104 km (0.079 R)
• M9: 4,852,805 km (0.109 R)
• M10: 5,816,664 km (0.091 R)
• M11: 6,591,731 km (0.076 R)
• M12: 7,647,443 km (0.09 R)
• M13: 9,260,407 km (0.08 R)
• M14: 10,543,508 km (0.056 R)
• M15: 13,548,630 km (0.117 R)
• M16: 14,006,849 km (0.065 R)
• M17: 14,857,462 km (0.086 R)
• M18: 16,454,270 km (0.052 R)
• M19: 17,997,372 km (0.097 R)
• M20: 18,272,931 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.4

Radius: 9.7

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.58 AU - 2.68 AU

Year: 2944 Days

Day: 14.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,506,183 km

• M1: 120,875 km (0.07 R)
• M2: 433,385 km (0.032 R)
• M3: 972,985 km (0.044 R)
• M4: 1,370,466 km (0.104 R)
• M5: 1,767,648 km (0.102 R)
• M6: 2,311,287 km (0.074 R)
• M7: 2,701,588 km (0.1 R)
• M8: 4,122,768 km (0.085 R)
• M9: 4,864,474 km (0.095 R)
• M10: 6,015,929 km (0.105 R)
• M11: 6,466,368 km (0.065 R)
• M12: 6,788,901 km (0.032 R)
• M13: 7,530,308 km (0.086 R)
• M14: 8,531,866 km (0.083 R)
• M15: 8,849,013 km (0.096 R)
• M16: 9,582,043 km (0.082 R)
• M17: 11,421,648 km (0.114 R)
• M18: 12,786,878 km (0.076 R)
• M19: 13,675,639 km (0.089 R)
• M20: 14,755,736 km (0.078 R)
• M21: 15,472,010 km (0.081 R)
• M22: 16,264,879 km (0.067 R)
• M23: 16,808,518 km (0.107 R)
• M24: 17,533,170 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.7

Radius: 9.9

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.05 AU - 3.29 AU

Year: 3011 Days

Day: 13.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 129.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,506,183 km

• M1: 123,119 km (0.093 R)
• M2: 448,494 km (0.082 R)
• M3: 819,497 km (0.119 R)
• M4: 1,177,485 km (0.066 R)
• M5: 1,490,892 km (0.112 R)
• M6: 2,049,491 km (0.108 R)
• M7: 2,540,770 km (0.055 R)
• M8: 2,988,965 km (0.114 R)
• M9: 3,860,373 km (0.079 R)
• M10: 5,853,765 km (0.086 R)
• M11: 6,610,132 km (0.11 R)
• M12: 7,493,507 km (0.067 R)
• M13: 8,350,852 km (0.101 R)
• M14: 9,017,610 km (0.1 R)
• M15: 12,353,643 km (0.113 R)
• M16: 16,326,663 km (0.072 R)
• M17: 17,707,002 km (0.094 R)
• M18: 20,447,336 km (0.061 R)
• M19: 21,528,031 km (0.031 R)
• M20: 21,852,958 km (0.086 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.9

Radius: 11.9

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.65 AU - 2.89 AU

Year: 3182 Days

Day: 8.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,506,183 km

• M1: 147,952 km (0.062 R)
• M2: 2,301,414 km (0.084 R)
• M3: 3,030,554 km (0.089 R)
• M4: 3,531,108 km (0.063 R)
• M5: 3,927,542 km (0.115 R)
• M6: 5,110,263 km (0.111 R)
• M7: 9,141,926 km (0.064 R)
• M8: 9,821,549 km (0.107 R)
• M9: 10,805,903 km (0.053 R)
• M10: 11,402,948 km (0.106 R)
• M11: 14,533,134 km (0.095 R)
• M12: 14,918,498 km (0.066 R)
• M13: 16,064,418 km (0.118 R)
• M14: 17,755,173 km (0.05 R)
• M15: 18,756,880 km (0.086 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.4

Radius: 10.2

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.76 AU - 4.46 AU

Year: 4734 Days

Day: 5.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 38,506,183 km

• M1: 509,082 km (0.107 R)
• M2: 879,187 km (0.111 R)
• M3: 1,202,916 km (0.092 R)
• M4: 1,525,001 km (0.032 R)
• M5: 1,961,078 km (0.054 R)
• M6: 2,318,019 km (0.105 R)
• M7: 3,145,594 km (0.072 R)
• M8: 3,574,342 km (0.032 R)
• M9: 4,230,478 km (0.087 R)
• M10: 5,348,872 km (0.107 R)
• M11: 7,190,272 km (0.116 R)
• M12: 7,827,709 km (0.067 R)
• M13: 8,349,207 km (0.073 R)
• M14: 10,010,790 km (0.114 R)
• M15: 10,580,908 km (0.093 R)
• M16: 12,723,000 km (0.097 R)
• M17: 14,302,304 km (0.072 R)
• M18: 15,025,760 km (0.113 R)
• M19: 15,367,890 km (0.059 R)
• M20: 16,788,471 km (0.095 R)
• M21: 17,405,413 km (0.103 R)
• M22: 18,165,819 km (0.101 R)
• M23: 18,882,094 km (0.077 R)
• M24: 19,280,622 km (0.086 R)
• M25: 19,684,686 km (0.049 R)
• M26: 24,906,849 km (0.099 R)
• M27: 26,035,565 km (0.089 R)
• M28: 27,282,164 km (0.043 R)
• M29: 28,568,257 km (0.069 R)
• M30: 30,254,823 km (0.087 R)

Planet 10 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 388

Radius: 6

Gravity: 10.78 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 4.5 AU - 7.04 AU

Year: 9567 Days

Day: 16.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 38,506,183 km

• M1: 74,649 km (0.118 R)
• M2: 346,618 km (0.069 R)
• M3: 612,603 km (0.056 R)
• M4: 865,124 km (0.091 R)
• M5: 1,112,260 km (0.098 R)
• M6: 1,585,139 km (0.055 R)
• M7: 1,823,299 km (0.111 R)
• M8: 2,021,217 km (0.043 R)
• M9: 2,371,874 km (0.096 R)
• M10: 2,861,358 km (0.04 R)
• M11: 3,889,096 km (0.101 R)
• M12: 4,219,408 km (0.105 R)
• M13: 4,623,771 km (0.083 R)
• M14: 4,994,774 km (0.083 R)
• M15: 6,609,234 km (0.058 R)
• M16: 7,457,304 km (0.066 R)
• M17: 8,251,968 km (0.091 R)
• M18: 9,547,635 km (0.106 R)
• M19: 10,726,616 km (0.117 R)
• M20: 10,923,936 km (0.11 R)
• M21: 11,478,794 km (0.093 R)
• M22: 12,319,385 km (0.08 R)
• M23: 12,976,119 km (0.091 R)
• M24: 13,829,725 km (0.104 R)
• M25: 18,033,275 km (0.08 R)
• M26: 18,736,535 km (0.083 R)
• M27: 21,969,943 km (0.078 R)
• M28: 26,443,668 km (0.074 R)
• M29: 27,626,837 km (0.066 R)
• M30: 28,278,485 km (0.072 R)
• M31: 31,589,535 km (0.111 R)
• M32: 33,864,320 km (0.077 R)
• M33: 35,805,054 km (0.104 R)
• M34: 36,914,621 km (0.085 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 466 - 17,499 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit