🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.5 AU - 0.58 AU

Year: 252 Days

Day: 23.5 Hours

Environment

Temp: -121 °C

Axial Tilt: 7.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.5 AU - 0.6 AU

Year: 259 Days

Day: 39.3 Hours

Environment

Temp: -118 °C

Axial Tilt: 49.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,491,352 km

• M1: 380,577 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.9

Radius: 8.8

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.9 AU - 1.16 AU

Year: 665 Days

Day: 5.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 28,491,352 km

• M1: 109,805 km (0.088 R)
• M2: 172,187 km (0.037 R)
• M3: 265,536 km (0.056 R)
• M4: 381,175 km (0.11 R)
• M5: 457,620 km (0.114 R)
• M6: 594,652 km (0.059 R)
• M7: 657,034 km (0.113 R)
• M8: 749,037 km (0.105 R)
• M9: 813,962 km (0.108 R)
• M10: 950,246 km (0.119 R)
• M11: 1,083,537 km (0.047 R)
• M12: 1,230,742 km (0.112 R)
• M13: 1,338,901 km (0.085 R)
• M14: 1,407,716 km (0.109 R)
• M15: 1,473,838 km (0.116 R)
• M16: 1,533,079 km (0.106 R)
• M17: 1,637,648 km (0.098 R)
• M18: 1,719,777 km (0.056 R)
• M19: 1,786,647 km (0.108 R)
• M20: 1,875,509 km (0.078 R)
• M21: 1,970,354 km (0.052 R)
• M22: 2,044,704 km (0.096 R)
• M23: 2,196,396 km (0.109 R)
• M24: 2,273,738 km (0.105 R)
• M25: 2,342,703 km (0.093 R)
• M26: 2,398,353 km (0.078 R)
• M27: 2,463,877 km (0.114 R)
• M28: 2,520,575 km (0.03 R)
• M29: 2,606,294 km (0.099 R)
• M30: 2,668,976 km (0.095 R)
• M31: 2,989,564 km (0.113 R)
• M32: 3,157,113 km (0.063 R)
• M33: 3,244,778 km (0.071 R)
• M34: 3,343,512 km (0.079 R)
• M35: 3,416,965 km (0.082 R)
• M36: 3,635,228 km (0.034 R)
• M37: 3,716,310 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.1

Radius: 11.3

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.95 AU - 1.53 AU

Year: 878 Days

Day: 10.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 28,491,352 km

• M1: 144,960 km (0.043 R)
• M2: 267,182 km (0.044 R)
• M3: 382,073 km (0.041 R)
• M4: 478,115 km (0.117 R)
• M5: 571,165 km (0.109 R)
• M6: 671,395 km (0.093 R)
• M7: 778,208 km (0.107 R)
• M8: 912,846 km (0.077 R)
• M9: 1,038,808 km (0.099 R)
• M10: 1,124,378 km (0.119 R)
• M11: 1,472,043 km (0.062 R)
• M12: 1,582,297 km (0.073 R)
• M13: 1,729,351 km (0.09 R)
• M14: 1,979,928 km (0.04 R)
• M15: 2,168,272 km (0.093 R)
• M16: 2,249,802 km (0.119 R)
• M17: 2,477,640 km (0.061 R)
• M18: 2,769,057 km (0.105 R)
• M19: 2,939,598 km (0.075 R)
• M20: 3,088,448 km (0.048 R)
• M21: 3,172,223 km (0.087 R)
• M22: 3,307,908 km (0.088 R)
• M23: 3,445,688 km (0.042 R)
• M24: 3,523,927 km (0.033 R)
• M25: 3,611,741 km (0.109 R)
• M26: 3,807,266 km (0.031 R)
• M27: 3,970,028 km (0.07 R)
• M28: 4,358,684 km (0.095 R)
• M29: 4,500,502 km (0.079 R)
• M30: 4,779,054 km (0.044 R)
• M31: 5,013,773 km (0.117 R)
• M32: 5,132,703 km (0.05 R)
• M33: 5,222,462 km (0.095 R)
• M34: 5,373,256 km (0.12 R)
• M35: 5,648,367 km (0.091 R)
• M36: 5,720,473 km (0.085 R)
• M37: 5,792,878 km (0.075 R)
• M38: 5,938,587 km (0.065 R)
• M39: 6,106,585 km (0.113 R)
• M40: 6,276,229 km (0.079 R)
• M41: 6,415,355 km (0.096 R)
• M42: 6,544,458 km (0.106 R)
• M43: 6,641,996 km (0.046 R)
• M44: 6,805,656 km (0.109 R)
• M45: 7,014,644 km (0.105 R)
• M46: 7,259,536 km (0.111 R)
• M47: 7,349,295 km (0.072 R)
• M48: 7,632,035 km (0.088 R)
• M49: 7,711,920 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.2

Radius: 12.9

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.19 AU - 1.71 AU

Year: 1110 Days

Day: 14.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 28,491,352 km

• M1: 169,046 km (0.113 R)
• M2: 260,151 km (0.054 R)
• M3: 345,870 km (0.066 R)
• M4: 563,386 km (0.04 R)
• M5: 756,516 km (0.043 R)
• M6: 872,455 km (0.114 R)
• M7: 958,474 km (0.042 R)
• M8: 1,116,599 km (0.102 R)
• M9: 1,243,308 km (0.03 R)
• M10: 1,358,349 km (0.11 R)
• M11: 1,460,075 km (0.08 R)
• M12: 1,744,311 km (0.058 R)
• M13: 1,979,030 km (0.105 R)
• M14: 2,125,038 km (0.057 R)
• M15: 2,274,785 km (0.088 R)
• M16: 2,459,090 km (0.111 R)
• M17: 2,595,373 km (0.105 R)
• M18: 2,766,813 km (0.059 R)
• M19: 3,075,882 km (0.116 R)
• M20: 3,200,347 km (0.112 R)
• M21: 3,303,570 km (0.028 R)
• M22: 3,860,523 km (0.118 R)
• M23: 4,056,945 km (0.097 R)
• M24: 4,144,011 km (0.065 R)
• M25: 4,396,083 km (0.075 R)
• M26: 4,498,408 km (0.11 R)
• M27: 4,601,481 km (0.114 R)
• M28: 4,875,843 km (0.039 R)
• M29: 4,981,759 km (0.119 R)
• M30: 5,236,524 km (0.093 R)
• M31: 5,386,122 km (0.06 R)
• M32: 5,495,627 km (0.092 R)
• M33: 5,633,856 km (0.111 R)
• M34: 5,731,094 km (0.094 R)
• M35: 5,815,019 km (0.065 R)
• M36: 5,984,064 km (0.06 R)
• M37: 6,069,335 km (0.119 R)
• M38: 6,269,647 km (0.11 R)
• M39: 6,515,735 km (0.107 R)
• M40: 6,720,984 km (0.103 R)
• M41: 6,928,177 km (0.109 R)
• M42: 7,182,792 km (0.09 R)
• M43: 7,562,920 km (0.101 R)
• M44: 7,763,232 km (0.084 R)
• M45: 7,902,956 km (0.092 R)
• M46: 8,169,091 km (0.051 R)
• M47: 8,263,637 km (0.098 R)
• M48: 8,374,638 km (0.113 R)
• M49: 8,485,939 km (0.112 R)
• M50: 8,597,838 km (0.052 R)
• M51: 8,855,446 km (0.114 R)
• M52: 8,968,991 km (0.079 R)
• M53: 9,279,556 km (0.058 R)
• M54: 9,477,624 km (0.067 R)
• M55: 9,861,043 km (0.09 R)
• M56: 10,420,090 km (0.071 R)
• M57: 10,522,864 km (0.096 R)
• M58: 10,608,883 km (0.093 R)
• M59: 10,694,901 km (0.099 R)
• M60: 11,146,687 km (0.105 R)
• M61: 11,445,434 km (0.06 R)
• M62: 11,764,526 km (0.11 R)
• M63: 11,925,344 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.2

Radius: 13.2

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.53 AU - 2.49 AU

Year: 1812 Days

Day: 5.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 28,491,352 km

• M1: 196,871 km (0.09 R)
• M2: 302,188 km (0.106 R)
• M3: 535,112 km (0.036 R)
• M4: 666,608 km (0.06 R)
• M5: 759,508 km (0.104 R)
• M6: 851,511 km (0.074 R)
• M7: 978,819 km (0.084 R)
• M8: 1,133,054 km (0.103 R)
• M9: 1,466,807 km (0.098 R)
• M10: 1,577,659 km (0.11 R)
• M11: 1,911,861 km (0.098 R)
• M12: 2,001,021 km (0.117 R)
• M13: 2,100,055 km (0.075 R)
• M14: 2,183,830 km (0.079 R)
• M15: 2,372,323 km (0.106 R)
• M16: 2,503,969 km (0.063 R)
• M17: 2,593,129 km (0.072 R)
• M18: 2,710,713 km (0.09 R)
• M19: 2,820,817 km (0.066 R)
• M20: 2,923,292 km (0.07 R)
• M21: 3,122,257 km (0.063 R)
• M22: 3,257,344 km (0.118 R)
• M23: 3,503,732 km (0.063 R)
• M24: 3,593,939 km (0.056 R)
• M25: 3,817,738 km (0.032 R)
• M26: 4,109,454 km (0.092 R)
• M27: 4,215,369 km (0.077 R)
• M28: 4,343,724 km (0.115 R)
• M29: 4,681,516 km (0.086 R)
• M30: 4,792,368 km (0.115 R)
• M31: 5,107,271 km (0.12 R)
• M32: 5,382,681 km (0.106 R)
• M33: 5,996,331 km (0.114 R)
• M34: 6,274,883 km (0.102 R)
• M35: 6,520,522 km (0.06 R)
• M36: 6,632,272 km (0.079 R)
• M37: 6,744,470 km (0.088 R)
• M38: 6,907,831 km (0.085 R)
• M39: 7,046,957 km (0.045 R)
• M40: 7,187,131 km (0.091 R)
• M41: 7,328,201 km (0.114 R)
• M42: 7,418,558 km (0.099 R)
• M43: 7,678,560 km (0.103 R)
• M44: 7,835,936 km (0.12 R)
• M45: 7,928,388 km (0.107 R)
• M46: 8,301,335 km (0.03 R)
• M47: 8,693,880 km (0.083 R)
• M48: 8,926,804 km (0.038 R)
• M49: 9,245,298 km (0.067 R)
• M50: 9,342,985 km (0.079 R)
• M51: 9,440,972 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.6

Radius: 11.4

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 3.94 AU - 4.84 AU

Year: 5848 Days

Day: 12.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 28,491,352 km

• M1: 162,014 km (0.106 R)
• M2: 368,609 km (0.111 R)
• M3: 548,127 km (0.105 R)
• M4: 655,538 km (0.101 R)
• M5: 759,359 km (0.09 R)
• M6: 831,914 km (0.075 R)
• M7: 984,952 km (0.06 R)
• M8: 1,394,701 km (0.11 R)
• M9: 1,548,039 km (0.101 R)
• M10: 2,199,388 km (0.12 R)
• M11: 2,601,806 km (0.096 R)
• M12: 2,715,501 km (0.083 R)
• M13: 3,047,159 km (0.091 R)
• M14: 3,248,518 km (0.116 R)
• M15: 3,371,338 km (0.104 R)
• M16: 3,579,727 km (0.079 R)
• M17: 3,728,129 km (0.046 R)
• M18: 4,009,073 km (0.081 R)
• M19: 4,119,177 km (0.116 R)
• M20: 4,477,763 km (0.064 R)
• M21: 4,569,168 km (0.101 R)
• M22: 4,753,622 km (0.062 R)
• M23: 4,893,496 km (0.033 R)
• M24: 5,082,288 km (0.1 R)
• M25: 5,540,507 km (0.048 R)
• M26: 5,936,642 km (0.117 R)
• M27: 6,678,049 km (0.106 R)
• M28: 6,966,922 km (0.086 R)
• M29: 7,046,509 km (0.078 R)
• M30: 7,126,244 km (0.065 R)
• M31: 7,584,313 km (0.089 R)
• M32: 7,720,896 km (0.098 R)
• M33: 8,135,431 km (0.074 R)
• M34: 9,015,366 km (0.11 R)
• M35: 9,189,199 km (0.114 R)
• M36: 9,658,039 km (0.031 R)
• M37: 9,776,520 km (0.108 R)
• M38: 10,044,899 km (0.095 R)
• M39: 10,406,327 km (0.103 R)
• M40: 10,741,576 km (0.067 R)
• M41: 11,453,961 km (0.059 R)
• M42: 11,642,305 km (0.115 R)
• M43: 11,736,851 km (0.058 R)
• M44: 12,117,727 km (0.1 R)
• M45: 12,245,483 km (0.05 R)
• M46: 12,858,984 km (0.108 R)
• M47: 13,054,808 km (0.071 R)
• M48: 13,218,767 km (0.107 R)
• M49: 14,115,905 km (0.066 R)
• M50: 14,317,863 km (0.079 R)
• M51: 14,827,243 km (0.057 R)
• M52: 15,307,901 km (0.051 R)
• M53: 16,673,879 km (0.089 R)
• M54: 17,317,599 km (0.115 R)
• M55: 18,665,925 km (0.044 R)
• M56: 18,961,979 km (0.087 R)
• M57: 19,073,280 km (0.097 R)
• M58: 20,770,318 km (0.034 R)
• M59: 20,885,209 km (0.116 R)
• M60: 21,038,697 km (0.105 R)
• M61: 21,772,773 km (0.07 R)
• M62: 21,889,460 km (0.118 R)
• M63: 22,319,105 km (0.114 R)
• M64: 22,751,443 km (0.105 R)
• M65: 23,067,692 km (0.109 R)
• M66: 23,824,508 km (0.105 R)
• M67: 24,387,445 km (0.062 R)
• M68: 24,711,025 km (0.045 R)
• M69: 25,526,333 km (0.09 R)
• M70: 25,937,279 km (0.087 R)
• M71: 26,724,164 km (0.111 R)
• M72: 27,225,167 km (0.12 R)
• M73: 27,350,979 km (0.05 R)
• M74: 27,813,685 km (0.117 R)
• M75: 28,109,440 km (0.062 R)
• M76: 28,321,420 km (0.097 R)
• M77: 28,491,363 km (0.087 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 179 - 14,764 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit