🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.48 AU - 0.7 AU

Year: 297 Days

Day: 18.5 Hours

Environment

Temp: -121 °C

Axial Tilt: 5.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.5

Radius: 14.3

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.76 AU - 0.9 AU

Year: 496 Days

Day: 5.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 19,494,267 km

• M1: 193,729 km (0.061 R)
• M2: 302,188 km (0.083 R)
• M3: 433,983 km (0.037 R)
• M4: 540,497 km (0.086 R)
• M5: 642,373 km (0.108 R)
• M6: 783,145 km (0.088 R)
• M7: 959,970 km (0.111 R)
• M8: 1,073,963 km (0.104 R)
• M9: 1,187,957 km (0.108 R)
• M10: 1,328,279 km (0.116 R)
• M11: 1,573,321 km (0.106 R)
• M12: 1,662,332 km (0.116 R)
• M13: 1,765,554 km (0.109 R)
• M14: 1,927,868 km (0.091 R)
• M15: 2,056,223 km (0.107 R)
• M16: 2,160,941 km (0.074 R)
• M17: 2,287,950 km (0.075 R)
• M18: 2,403,589 km (0.078 R)
• M19: 2,556,478 km (0.057 R)
• M20: 2,741,381 km (0.113 R)
• M21: 2,945,732 km (0.114 R)
• M22: 3,034,742 km (0.107 R)
• M23: 3,223,385 km (0.108 R)
• M24: 3,377,322 km (0.086 R)
• M25: 3,692,375 km (0.046 R)
• M26: 3,886,104 km (0.092 R)
• M27: 4,124,712 km (0.118 R)
• M28: 4,224,943 km (0.103 R)
• M29: 4,427,798 km (0.117 R)
• M30: 4,747,040 km (0.056 R)
• M31: 4,913,841 km (0.118 R)
• M32: 5,020,355 km (0.06 R)
• M33: 5,127,617 km (0.113 R)
• M34: 5,253,578 km (0.08 R)
• M35: 5,353,360 km (0.092 R)
• M36: 5,481,416 km (0.037 R)
• M37: 5,721,670 km (0.111 R)
• M38: 5,871,417 km (0.12 R)
• M39: 6,069,784 km (0.093 R)
• M40: 6,232,098 km (0.106 R)
• M41: 6,561,063 km (0.105 R)
• M42: 6,698,095 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.2

Radius: 8.1

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.07 AU - 1.65 AU

Year: 1040 Days

Day: 7.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 19,494,267 km

• M1: 144,512 km (0.08 R)
• M2: 202,256 km (0.099 R)
• M3: 267,481 km (0.055 R)
• M4: 361,279 km (0.074 R)
• M5: 480,508 km (0.068 R)
• M6: 586,124 km (0.12 R)
• M7: 661,223 km (0.104 R)
• M8: 826,977 km (0.109 R)
• M9: 901,626 km (0.106 R)
• M10: 1,012,179 km (0.118 R)
• M11: 1,075,010 km (0.034 R)
• M12: 1,133,353 km (0.071 R)
• M13: 1,222,963 km (0.083 R)
• M14: 1,352,514 km (0.052 R)
• M15: 1,460,823 km (0.1 R)
• M16: 1,545,496 km (0.083 R)
• M17: 1,645,427 km (0.103 R)
• M18: 1,747,602 km (0.028 R)
• M19: 1,965,417 km (0.108 R)
• M20: 2,037,673 km (0.077 R)
• M21: 2,536,282 km (0.117 R)
• M22: 2,694,856 km (0.114 R)
• M23: 2,815,731 km (0.051 R)
• M24: 2,955,156 km (0.092 R)
• M25: 3,292,051 km (0.117 R)
• M26: 3,430,279 km (0.114 R)
• M27: 3,552,949 km (0.117 R)
• M28: 3,901,961 km (0.114 R)
• M29: 3,993,216 km (0.111 R)
• M30: 4,113,044 km (0.105 R)
• M31: 4,168,694 km (0.068 R)
• M32: 4,441,411 km (0.088 R)
• M33: 4,710,239 km (0.098 R)
• M34: 4,797,903 km (0.083 R)
• M35: 4,984,451 km (0.099 R)
• M36: 5,415,742 km (0.115 R)
• M37: 5,942,626 km (0.116 R)
• M38: 6,238,979 km (0.059 R)
• M39: 6,388,876 km (0.04 R)
• M40: 6,616,115 km (0.069 R)
• M41: 6,681,490 km (0.075 R)
• M42: 6,901,099 km (0.051 R)
• M43: 7,089,593 km (0.074 R)
• M44: 7,145,393 km (0.11 R)
• M45: 7,201,342 km (0.116 R)
• M46: 7,336,130 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.9

Radius: 12.2

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.42 AU - 4.34 AU

Year: 5014 Days

Day: 5.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 19,494,267 km

• M1: 157,377 km (0.075 R)
• M2: 261,647 km (0.076 R)
• M3: 378,632 km (0.119 R)
• M4: 590,912 km (0.095 R)
• M5: 723,156 km (0.095 R)
• M6: 1,135,897 km (0.087 R)
• M7: 1,231,938 km (0.094 R)
• M8: 1,768,097 km (0.072 R)
• M9: 2,054,577 km (0.118 R)
• M10: 2,264,313 km (0.087 R)
• M11: 2,340,907 km (0.094 R)
• M12: 2,512,646 km (0.061 R)
• M13: 2,592,082 km (0.109 R)
• M14: 2,704,879 km (0.096 R)
• M15: 2,952,164 km (0.094 R)
• M16: 3,104,006 km (0.117 R)
• M17: 3,258,690 km (0.045 R)
• M18: 3,504,330 km (0.07 R)
• M19: 3,738,002 km (0.081 R)
• M20: 3,976,910 km (0.051 R)
• M21: 4,239,753 km (0.119 R)
• M22: 4,373,344 km (0.114 R)
• M23: 4,822,287 km (0.113 R)
• M24: 5,184,015 km (0.091 R)
• M25: 5,265,695 km (0.113 R)
• M26: 5,409,459 km (0.101 R)
• M27: 5,617,250 km (0.105 R)
• M28: 5,722,268 km (0.098 R)
• M29: 5,806,641 km (0.119 R)
• M30: 5,998,127 km (0.057 R)
• M31: 6,148,472 km (0.033 R)
• M32: 6,234,940 km (0.047 R)
• M33: 6,584,999 km (0.082 R)
• M34: 6,941,491 km (0.077 R)
• M35: 7,213,011 km (0.062 R)
• M36: 7,419,007 km (0.115 R)
• M37: 8,001,541 km (0.104 R)
• M38: 8,214,868 km (0.089 R)
• M39: 8,430,139 km (0.101 R)
• M40: 8,574,651 km (0.114 R)
• M41: 9,037,806 km (0.118 R)
• M42: 9,185,758 km (0.094 R)
• M43: 9,988,500 km (0.103 R)
• M44: 10,115,958 km (0.06 R)
• M45: 10,346,787 km (0.094 R)
• M46: 10,657,203 km (0.049 R)
• M47: 10,944,580 km (0.033 R)
• M48: 11,633,927 km (0.033 R)
• M49: 11,741,189 km (0.104 R)
• M50: 11,956,909 km (0.111 R)
• M51: 12,419,466 km (0.088 R)
• M52: 12,721,803 km (0.112 R)
• M53: 12,860,181 km (0.097 R)
• M54: 13,166,109 km (0.101 R)
• M55: 13,305,983 km (0.066 R)
• M56: 13,530,828 km (0.118 R)
• M57: 13,813,718 km (0.068 R)
• M58: 14,184,421 km (0.037 R)
• M59: 14,500,522 km (0.06 R)
• M60: 14,702,928 km (0.119 R)
• M61: 15,052,239 km (0.083 R)
• M62: 15,463,184 km (0.05 R)
• M63: 15,818,329 km (0.079 R)
• M64: 16,146,248 km (0.105 R)
• M65: 16,236,007 km (0.051 R)
• M66: 16,506,479 km (0.082 R)
• M67: 16,627,205 km (0.047 R)
• M68: 17,695,932 km (0.062 R)
• M69: 17,974,184 km (0.114 R)
• M70: 18,098,500 km (0.088 R)
• M71: 18,347,730 km (0.066 R)
• M72: 18,818,215 km (0.114 R)
• M73: 19,197,446 km (0.064 R)
• M74: 19,611,084 km (0.118 R)
• M75: 19,899,210 km (0.054 R)
• M76: 20,544,425 km (0.048 R)
• M77: 20,837,188 km (0.076 R)
• M78: 21,098,386 km (0.114 R)
• M79: 21,360,781 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 26

Radius: 3.4

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 6.93 AU - 7.95 AU

Year: 13313 Days

Day: 20.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 19,494,267 km

• M1: 138,378 km (0.079 R)
• M2: 169,644 km (0.105 R)
• M3: 328,218 km (0.107 R)
• M4: 425,905 km (0.038 R)
• M5: 800,947 km (0.086 R)
• M6: 881,431 km (0.097 R)
• M7: 1,263,952 km (0.041 R)
• M8: 1,381,686 km (0.06 R)
• M9: 1,466,358 km (0.101 R)
• M10: 1,666,071 km (0.034 R)
• M11: 2,258,329 km (0.09 R)
• M12: 2,300,815 km (0.068 R)
• M13: 2,621,104 km (0.056 R)
• M14: 2,680,794 km (0.109 R)
• M15: 2,878,113 km (0.116 R)
• M16: 3,143,201 km (0.098 R)
• M17: 3,238,644 km (0.107 R)
• M18: 3,399,761 km (0.111 R)
• M19: 3,763,434 km (0.094 R)
• M20: 3,966,887 km (0.118 R)
• M21: 4,634,841 km (0.101 R)
• M22: 4,671,044 km (0.062 R)
• M23: 4,725,348 km (0.078 R)
• M24: 4,761,700 km (0.052 R)
• M25: 4,871,355 km (0.105 R)
• M26: 4,944,808 km (0.1 R)
• M27: 5,000,309 km (0.07 R)
• M28: 5,167,709 km (0.08 R)
• M29: 5,623,085 km (0.056 R)
• M30: 5,777,769 km (0.069 R)
• M31: 5,992,741 km (0.08 R)
• M32: 6,350,130 km (0.107 R)
• M33: 6,755,241 km (0.058 R)
• M34: 6,878,360 km (0.041 R)
• M35: 7,252,355 km (0.105 R)
• M36: 7,868,549 km (0.109 R)
• M37: 7,976,558 km (0.098 R)
• M38: 8,812,960 km (0.056 R)
• M39: 8,857,690 km (0.114 R)
• M40: 9,515,621 km (0.113 R)
• M41: 9,908,465 km (0.07 R)
• M42: 10,424,728 km (0.042 R)
• M43: 10,638,503 km (0.117 R)
• M44: 11,655,021 km (0.091 R)
• M45: 11,777,990 km (0.116 R)
• M46: 12,000,592 km (0.099 R)
• M47: 12,399,719 km (0.062 R)
• M48: 14,170,359 km (0.117 R)
• M49: 14,671,512 km (0.088 R)
• M50: 14,884,390 km (0.079 R)
• M51: 15,071,387 km (0.091 R)
• M52: 15,151,721 km (0.101 R)
• M53: 15,205,427 km (0.053 R)
• M54: 15,339,915 km (0.042 R)
• M55: 15,555,785 km (0.114 R)
• M56: 15,963,439 km (0.063 R)
• M57: 16,072,795 km (0.087 R)
• M58: 16,182,301 km (0.07 R)
• M59: 16,761,544 km (0.093 R)
• M60: 17,431,742 km (0.107 R)
• M61: 18,167,614 km (0.098 R)
• M62: 18,654,256 km (0.079 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 237 - 19,733 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit