🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.8

Radius: 12.3

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.84 AU - 1.22 AU

Year: 709 Days

Day: 11.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,447,852 km

• M1: 153,338 km (0.077 R)
• M2: 575,054 km (0.06 R)
• M3: 1,045,240 km (0.087 R)
• M4: 1,909,168 km (0.056 R)
• M5: 2,319,814 km (0.079 R)
• M6: 2,862,106 km (0.097 R)
• M7: 3,924,401 km (0.062 R)
• M8: 5,014,969 km (0.062 R)
• M9: 5,496,525 km (0.09 R)
• M10: 6,531,443 km (0.078 R)
• M11: 7,038,879 km (0.086 R)
• M12: 7,525,072 km (0.116 R)
• M13: 8,183,004 km (0.08 R)
• M14: 8,694,927 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.1

Radius: 11.9

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.92 AU - 1.42 AU

Year: 858 Days

Day: 14.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,447,852 km

• M1: 148,700 km (0.086 R)
• M2: 551,717 km (0.071 R)
• M3: 993,928 km (0.107 R)
• M4: 1,373,608 km (0.109 R)
• M5: 1,760,468 km (0.094 R)
• M6: 2,220,930 km (0.05 R)
• M7: 2,699,942 km (0.106 R)
• M8: 4,249,328 km (0.077 R)
• M9: 4,746,292 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.3

Radius: 11.7

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.18 AU - 1.2 AU

Year: 880 Days

Day: 5.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,447,852 km

• M1: 145,559 km (0.076 R)
• M2: 525,537 km (0.112 R)
• M3: 1,009,935 km (0.055 R)
• M4: 1,719,777 km (0.115 R)
• M5: 2,361,702 km (0.119 R)
• M6: 2,930,473 km (0.07 R)
• M7: 3,772,410 km (0.106 R)
• M8: 4,292,860 km (0.084 R)
• M9: 4,660,123 km (0.062 R)
• M10: 5,182,669 km (0.107 R)
• M11: 5,806,641 km (0.045 R)
• M12: 6,918,154 km (0.054 R)
• M13: 8,299,091 km (0.066 R)
• M14: 9,268,785 km (0.113 R)
• M15: 10,467,662 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.1

Radius: 14.1

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.74 AU - 1.96 AU

Year: 1707 Days

Day: 9.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,447,852 km

• M1: 175,628 km (0.07 R)
• M2: 658,829 km (0.079 R)
• M3: 1,107,922 km (0.026 R)
• M4: 1,571,226 km (0.057 R)
• M5: 2,385,936 km (0.086 R)
• M6: 3,152,326 km (0.081 R)
• M7: 3,642,409 km (0.088 R)
• M8: 4,624,519 km (0.106 R)
• M9: 5,282,002 km (0.072 R)
• M10: 6,637,508 km (0.091 R)
• M11: 7,163,195 km (0.057 R)
• M12: 9,180,971 km (0.092 R)
• M13: 9,931,055 km (0.108 R)
• M14: 10,486,811 km (0.077 R)
• M15: 11,063,361 km (0.108 R)
• M16: 12,654,334 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.5

Radius: 9

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.65 AU - 2.73 AU

Year: 2198 Days

Day: 13.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,447,852 km

• M1: 111,899 km (0.109 R)
• M2: 489,035 km (0.1 R)
• M3: 1,012,778 km (0.104 R)
• M4: 1,473,539 km (0.118 R)
• M5: 1,879,548 km (0.105 R)
• M6: 2,210,907 km (0.118 R)
• M7: 2,649,229 km (0.119 R)
• M8: 3,114,029 km (0.032 R)
• M9: 3,431,326 km (0.068 R)
• M10: 3,858,727 km (0.052 R)
• M11: 4,615,992 km (0.083 R)
• M12: 6,102,097 km (0.097 R)
• M13: 6,499,579 km (0.067 R)
• M14: 7,912,381 km (0.101 R)
• M15: 10,610,678 km (0.046 R)
• M16: 13,161,621 km (0.113 R)
• M17: 13,449,746 km (0.056 R)
• M18: 13,784,247 km (0.048 R)
• M19: 14,776,829 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.1

Radius: 12.3

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.74 AU - 3.24 AU

Year: 3507 Days

Day: 12.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,447,852 km

• M1: 153,039 km (0.096 R)
• M2: 595,549 km (0.062 R)
• M3: 1,241,363 km (0.098 R)
• M4: 1,663,678 km (0.107 R)
• M5: 2,087,189 km (0.053 R)
• M6: 2,551,990 km (0.061 R)
• M7: 2,962,786 km (0.029 R)
• M8: 4,222,549 km (0.041 R)
• M9: 4,875,095 km (0.066 R)
• M10: 5,329,275 km (0.096 R)
• M11: 6,063,950 km (0.118 R)
• M12: 6,470,706 km (0.032 R)
• M13: 7,178,903 km (0.061 R)
• M14: 7,870,045 km (0.073 R)
• M15: 10,252,840 km (0.028 R)
• M16: 10,748,158 km (0.12 R)
• M17: 11,520,981 km (0.1 R)
• M18: 12,515,507 km (0.094 R)
• M19: 14,935,552 km (0.103 R)
• M20: 15,411,872 km (0.095 R)
• M21: 18,728,457 km (0.06 R)
• M22: 19,784,318 km (0.107 R)
• M23: 20,879,375 km (0.117 R)
• M24: 23,901,401 km (0.053 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.1

Radius: 10.8

Gravity: 8.45 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.52 AU - 3.58 AU

Year: 3613 Days

Day: 7.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,447,852 km

• M1: 134,488 km (0.088 R)
• M2: 488,886 km (0.054 R)
• M3: 948,151 km (0.066 R)
• M4: 2,058,766 km (0.084 R)
• M5: 2,776,237 km (0.077 R)
• M6: 3,193,615 km (0.112 R)
• M7: 4,224,644 km (0.108 R)
• M8: 4,855,348 km (0.029 R)
• M9: 6,154,157 km (0.098 R)
• M10: 6,613,871 km (0.084 R)
• M11: 8,876,988 km (0.091 R)
• M12: 13,706,456 km (0.074 R)
• M13: 14,439,037 km (0.113 R)
• M14: 15,363,402 km (0.083 R)
• M15: 15,982,289 km (0.099 R)
• M16: 16,852,799 km (0.09 R)
• M17: 17,450,592 km (0.074 R)
• M18: 18,062,447 km (0.078 R)
• M19: 21,269,376 km (0.086 R)
• M20: 25,690,143 km (0.113 R)
• M21: 26,084,184 km (0.056 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.6

Radius: 13.1

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 3.91 AU - 6.35 AU

Year: 7881 Days

Day: 10.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,447,852 km

• M1: 162,912 km (0.1 R)
• M2: 594,352 km (0.088 R)
• M3: 1,937,592 km (0.119 R)
• M4: 4,319,339 km (0.117 R)
• M5: 4,807,926 km (0.056 R)
• M6: 6,331,431 km (0.106 R)
• M7: 7,235,002 km (0.103 R)
• M8: 9,118,738 km (0.114 R)
• M9: 10,862,301 km (0.108 R)
• M10: 12,953,979 km (0.04 R)
• M11: 13,738,769 km (0.084 R)
• M12: 14,263,259 km (0.067 R)
• M13: 15,301,917 km (0.112 R)
• M14: 16,980,555 km (0.097 R)
• M15: 18,432,552 km (0.068 R)
• M16: 19,188,769 km (0.039 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 959.7

Radius: 8

Gravity: 15 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 4.81 AU - 6.87 AU

Year: 9572 Days

Day: 18.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 58,447,852 km

• M1: 99,483 km (0.076 R)
• M2: 350,508 km (0.112 R)
• M3: 623,524 km (0.111 R)
• M4: 1,393,953 km (0.117 R)
• M5: 1,693,897 km (0.038 R)
• M6: 2,234,543 km (0.086 R)
• M7: 4,204,598 km (0.086 R)
• M8: 5,029,630 km (0.104 R)
• M9: 6,521,121 km (0.072 R)
• M10: 7,537,638 km (0.114 R)
• M11: 8,516,308 km (0.113 R)
• M12: 9,328,774 km (0.11 R)
• M13: 12,017,795 km (0.084 R)
• M14: 12,431,433 km (0.111 R)
• M15: 13,287,283 km (0.101 R)
• M16: 14,577,116 km (0.116 R)
• M17: 15,184,034 km (0.11 R)
• M18: 18,473,991 km (0.051 R)
• M19: 19,668,530 km (0.109 R)
• M20: 21,426,305 km (0.065 R)
• M21: 22,654,653 km (0.104 R)
• M22: 25,059,439 km (0.077 R)
• M23: 29,829,367 km (0.117 R)
• M24: 33,286,424 km (0.047 R)
• M25: 35,291,334 km (0.095 R)
• M26: 36,139,854 km (0.063 R)
• M27: 38,511,279 km (0.101 R)
• M28: 40,851,738 km (0.115 R)
• M29: 45,671,033 km (0.099 R)
• M30: 46,389,103 km (0.028 R)
• M31: 48,291,240 km (0.099 R)
• M32: 50,702,907 km (0.052 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 295.8

Radius: 6.3

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 8.13 AU - 11.27 AU

Year: 20490 Days

Day: 17.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 58,447,852 km

• M1: 78,539 km (0.101 R)
• M2: 287,378 km (0.088 R)
• M3: 491,429 km (0.105 R)
• M4: 761,154 km (0.111 R)
• M5: 1,265,897 km (0.118 R)
• M6: 1,592,170 km (0.068 R)
• M7: 2,847,296 km (0.115 R)
• M8: 3,230,865 km (0.108 R)
• M9: 3,758,198 km (0.082 R)
• M10: 4,013,561 km (0.106 R)
• M11: 6,138,449 km (0.085 R)
• M12: 6,861,755 km (0.089 R)
• M13: 7,418,409 km (0.07 R)
• M14: 7,866,754 km (0.117 R)
• M15: 9,066,678 km (0.057 R)
• M16: 10,718,239 km (0.064 R)
• M17: 11,174,961 km (0.111 R)
• M18: 11,824,066 km (0.09 R)
• M19: 13,989,495 km (0.119 R)
• M20: 14,397,299 km (0.088 R)
• M21: 14,604,043 km (0.099 R)
• M22: 15,887,144 km (0.097 R)
• M23: 17,633,699 km (0.111 R)
• M24: 26,312,769 km (0.101 R)
• M25: 30,188,252 km (0.112 R)
• M26: 36,689,027 km (0.068 R)
• M27: 37,464,244 km (0.068 R)
• M28: 40,127,385 km (0.101 R)
• M29: 45,381,860 km (0.075 R)
• M30: 48,250,400 km (0.088 R)
• M31: 51,077,051 km (0.118 R)
• M32: 51,397,789 km (0.074 R)
• M33: 52,205,618 km (0.111 R)
• M34: 54,679,667 km (0.067 R)
• M35: 57,058,124 km (0.111 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: 239 - 17,751 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit