🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.2

Radius: 14.1

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.77 AU - 1.05 AU

Year: 561 Days

Day: 7.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 71,703,911 km

• M1: 175,329 km (0.064 R)
• M2: 667,655 km (0.091 R)
• M3: 1,324,689 km (0.107 R)
• M4: 2,025,705 km (0.033 R)
• M5: 4,509,478 km (0.106 R)
• M6: 5,654,201 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.6

Radius: 8.7

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.63 AU - 1.89 AU

Year: 1508 Days

Day: 10 Hours

Environment

Temp: -183 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,703,911 km

• M1: 108,907 km (0.079 R)
• M2: 408,103 km (0.109 R)
• M3: 819,048 km (0.045 R)
• M4: 1,120,338 km (0.12 R)
• M5: 1,458,430 km (0.086 R)
• M6: 1,784,403 km (0.094 R)
• M7: 2,344,647 km (0.08 R)
• M8: 3,224,283 km (0.103 R)
• M9: 3,652,282 km (0.108 R)
• M10: 4,341,031 km (0.117 R)
• M11: 4,987,743 km (0.045 R)
• M12: 5,390,610 km (0.089 R)
• M13: 6,687,324 km (0.057 R)
• M14: 7,200,594 km (0.097 R)
• M15: 7,549,307 km (0.073 R)
• M16: 8,381,819 km (0.038 R)
• M17: 8,925,607 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.7

Radius: 9

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.46 AU - 2.84 AU

Year: 2785 Days

Day: 8.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,703,911 km

• M1: 114,891 km (0.098 R)
• M2: 440,117 km (0.048 R)
• M3: 741,108 km (0.117 R)
• M4: 1,210,995 km (0.055 R)
• M5: 1,678,339 km (0.049 R)
• M6: 2,456,098 km (0.083 R)
• M7: 3,988,578 km (0.051 R)
• M8: 5,097,547 km (0.075 R)
• M9: 5,634,903 km (0.108 R)
• M10: 6,209,359 km (0.083 R)
• M11: 9,289,280 km (0.098 R)
• M12: 9,721,169 km (0.056 R)
• M13: 12,994,819 km (0.069 R)
• M14: 13,535,316 km (0.062 R)
• M15: 14,231,993 km (0.095 R)
• M16: 14,806,300 km (0.051 R)
• M17: 17,098,438 km (0.093 R)
• M18: 18,022,803 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.5

Radius: 9.6

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.36 AU - 3.46 AU

Year: 4066 Days

Day: 13.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,703,911 km

• M1: 119,678 km (0.097 R)
• M2: 541,993 km (0.098 R)
• M3: 1,528,741 km (0.044 R)
• M4: 2,519,827 km (0.078 R)
• M5: 3,891,938 km (0.12 R)
• M6: 4,814,059 km (0.033 R)
• M7: 5,706,860 km (0.063 R)
• M8: 6,768,556 km (0.098 R)
• M9: 8,454,673 km (0.059 R)
• M10: 12,352,745 km (0.06 R)
• M11: 15,880,263 km (0.087 R)
• M12: 16,958,415 km (0.036 R)
• M13: 18,145,175 km (0.097 R)
• M14: 19,641,452 km (0.1 R)
• M15: 20,092,939 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.3

Radius: 10.9

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.02 AU - 4.04 AU

Year: 4282 Days

Day: 5.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,703,911 km

• M1: 135,685 km (0.103 R)
• M2: 662,270 km (0.069 R)
• M3: 1,231,041 km (0.088 R)
• M4: 1,688,810 km (0.085 R)
• M5: 2,417,352 km (0.113 R)
• M6: 2,923,292 km (0.056 R)
• M7: 3,587,058 km (0.109 R)
• M8: 5,664,972 km (0.099 R)
• M9: 7,115,922 km (0.102 R)
• M10: 9,718,626 km (0.105 R)
• M11: 12,941,712 km (0.062 R)
• M12: 16,065,465 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.8

Radius: 14.3

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 4.15 AU - 4.81 AU

Year: 6123 Days

Day: 6.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 71,703,911 km

• M1: 179,667 km (0.04 R)
• M2: 793,168 km (0.12 R)
• M3: 1,678,787 km (0.117 R)
• M4: 2,590,586 km (0.1 R)
• M5: 3,607,553 km (0.047 R)
• M6: 4,073,700 km (0.068 R)
• M7: 4,686,452 km (0.094 R)
• M8: 6,626,886 km (0.097 R)
• M9: 7,258,638 km (0.048 R)
• M10: 8,561,636 km (0.062 R)
• M11: 9,836,210 km (0.119 R)
• M12: 10,659,746 km (0.093 R)
• M13: 11,282,821 km (0.067 R)
• M14: 11,728,323 km (0.093 R)
• M15: 12,760,549 km (0.103 R)
• M16: 14,595,067 km (0.071 R)
• M17: 16,410,438 km (0.057 R)
• M18: 18,576,465 km (0.099 R)
• M19: 21,150,147 km (0.039 R)
• M20: 21,829,022 km (0.113 R)
• M21: 22,522,408 km (0.1 R)
• M22: 23,953,312 km (0.093 R)
• M23: 27,349,184 km (0.026 R)
• M24: 29,815,005 km (0.096 R)
• M25: 30,668,910 km (0.062 R)
• M26: 32,227,271 km (0.108 R)
• M27: 33,126,803 km (0.037 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 193.2

Radius: 7.2

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 9.35 AU - 11.29 AU

Year: 21406 Days

Day: 23.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,703,911 km

• M1: 128,804 km (0.102 R)
• M2: 855,999 km (0.074 R)
• M3: 1,296,116 km (0.119 R)
• M4: 1,687,763 km (0.075 R)
• M5: 3,277,390 km (0.108 R)
• M6: 4,034,505 km (0.03 R)
• M7: 5,570,277 km (0.086 R)
• M8: 6,221,626 km (0.033 R)
• M9: 8,480,554 km (0.109 R)
• M10: 10,050,135 km (0.096 R)
• M11: 11,631,534 km (0.088 R)
• M12: 13,435,086 km (0.116 R)
• M13: 14,075,664 km (0.054 R)
• M14: 15,486,671 km (0.054 R)
• M15: 16,623,166 km (0.118 R)
• M16: 17,063,432 km (0.059 R)
• M17: 22,789,440 km (0.092 R)
• M18: 24,070,597 km (0.059 R)
• M19: 36,957,556 km (0.083 R)
• M20: 40,148,777 km (0.039 R)
• M21: 42,967,650 km (0.085 R)
• M22: 47,365,827 km (0.107 R)
• M23: 48,995,846 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 381.2

Radius: 6.3

Gravity: 9.6 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 9.14 AU - 13.46 AU

Year: 24526 Days

Day: 21.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 71,703,911 km

• M1: 78,389 km (0.089 R)
• M2: 283,488 km (0.119 R)
• M3: 546,780 km (0.075 R)
• M4: 790,176 km (0.096 R)
• M5: 1,396,197 km (0.087 R)
• M6: 2,274,636 km (0.114 R)
• M7: 2,492,001 km (0.087 R)
• M8: 4,133,988 km (0.073 R)
• M9: 5,014,820 km (0.116 R)
• M10: 5,693,994 km (0.055 R)
• M11: 6,347,587 km (0.077 R)
• M12: 7,999,597 km (0.115 R)
• M13: 8,660,819 km (0.081 R)
• M14: 10,741,726 km (0.103 R)
• M15: 18,766,754 km (0.115 R)
• M16: 19,657,908 km (0.077 R)
• M17: 20,576,888 km (0.116 R)
• M18: 21,620,632 km (0.082 R)
• M19: 23,403,988 km (0.109 R)
• M20: 24,019,584 km (0.088 R)
• M21: 26,259,363 km (0.113 R)
• M22: 27,147,974 km (0.068 R)
• M23: 27,827,598 km (0.112 R)
• M24: 31,894,116 km (0.119 R)
• M25: 34,726,303 km (0.115 R)
• M26: 34,991,690 km (0.06 R)
• M27: 36,613,331 km (0.071 R)
• M28: 41,032,901 km (0.115 R)
• M29: 42,228,637 km (0.094 R)
• M30: 43,601,347 km (0.106 R)
• M31: 47,897,498 km (0.091 R)
• M32: 49,390,036 km (0.116 R)
• M33: 50,402,066 km (0.084 R)
• M34: 61,294,586 km (0.096 R)
• M35: 69,787,407 km (0.04 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 13,420 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit