🌌 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: 915.2

Radius: 12

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.85 AU - 0.97 AU

Year: 561 Days

Day: 10.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,631,146 km

• M1: 149,299 km (0.064 R)
• M2: 568,622 km (0.063 R)
• M3: 998,416 km (0.106 R)
• M4: 1,722,470 km (0.079 R)
• M5: 2,155,705 km (0.089 R)
• M6: 2,672,865 km (0.101 R)
• M7: 3,086,952 km (0.103 R)
• M8: 3,530,809 km (0.085 R)
• M9: 4,438,120 km (0.069 R)
• M10: 5,091,115 km (0.072 R)
• M11: 5,585,536 km (0.069 R)
• M12: 6,150,716 km (0.078 R)
• M13: 6,858,015 km (0.109 R)
• M14: 7,417,960 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.7

Radius: 13

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.91 AU - 0.93 AU

Year: 570 Days

Day: 8.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 72,631,146 km

• M1: 161,715 km (0.081 R)
• M2: 581,637 km (0.113 R)
• M3: 997,818 km (0.108 R)
• M4: 1,528,890 km (0.071 R)
• M5: 2,778,182 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.8

Radius: 11.9

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.08 AU - 1.4 AU

Year: 892 Days

Day: 8.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,631,146 km

• M1: 148,102 km (0.116 R)
• M2: 576,849 km (0.056 R)
• M3: 1,049,878 km (0.108 R)
• M4: 1,492,987 km (0.113 R)
• M5: 1,904,530 km (0.102 R)
• M6: 2,589,090 km (0.089 R)
• M7: 3,164,145 km (0.089 R)
• M8: 3,578,830 km (0.096 R)
• M9: 4,897,385 km (0.059 R)
• M10: 5,435,190 km (0.031 R)
• M11: 5,843,293 km (0.057 R)
• M12: 6,629,878 km (0.035 R)
• M13: 8,148,446 km (0.116 R)
• M14: 9,187,254 km (0.093 R)
• M15: 9,709,201 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.5

Radius: 8.3

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.24 AU - 1.54 AU

Year: 1058 Days

Day: 13.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 53.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,631,146 km

• M1: 103,372 km (0.114 R)
• M2: 410,646 km (0.118 R)
• M3: 788,979 km (0.098 R)
• M4: 1,075,010 km (0.083 R)
• M5: 1,837,810 km (0.103 R)
• M6: 2,384,740 km (0.118 R)
• M7: 2,690,817 km (0.085 R)
• M8: 2,984,926 km (0.093 R)
• M9: 3,523,030 km (0.114 R)
• M10: 3,800,684 km (0.116 R)
• M11: 4,366,911 km (0.085 R)
• M12: 4,863,128 km (0.097 R)
• M13: 5,686,963 km (0.099 R)
• M14: 6,070,382 km (0.054 R)
• M15: 7,001,779 km (0.112 R)
• M16: 8,302,682 km (0.116 R)
• M17: 9,091,362 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521

Radius: 9.5

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.29 AU - 1.81 AU

Year: 1246 Days

Day: 5.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 62.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,631,146 km

• M1: 118,182 km (0.078 R)
• M2: 499,208 km (0.076 R)
• M3: 851,511 km (0.069 R)
• M4: 1,231,938 km (0.11 R)
• M5: 1,963,921 km (0.104 R)
• M6: 2,290,792 km (0.119 R)
• M7: 2,691,415 km (0.107 R)
• M8: 3,603,663 km (0.114 R)
• M9: 4,335,645 km (0.059 R)
• M10: 4,764,842 km (0.036 R)
• M11: 5,771,486 km (0.113 R)
• M12: 6,381,396 km (0.099 R)
• M13: 6,702,134 km (0.097 R)
• M14: 7,106,048 km (0.027 R)
• M15: 7,627,397 km (0.082 R)
• M16: 8,943,559 km (0.1 R)
• M17: 9,522,054 km (0.098 R)
• M18: 10,033,230 km (0.049 R)
• M19: 10,850,334 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.5

Radius: 12.4

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.63 AU - 2.41 AU

Year: 1854 Days

Day: 5.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,631,146 km

• M1: 154,235 km (0.072 R)
• M2: 556,654 km (0.095 R)
• M3: 1,046,138 km (0.082 R)
• M4: 1,640,191 km (0.104 R)
• M5: 2,026,902 km (0.119 R)
• M6: 2,475,546 km (0.092 R)
• M7: 3,069,898 km (0.105 R)
• M8: 3,606,505 km (0.081 R)
• M9: 4,459,363 km (0.1 R)
• M10: 7,435,313 km (0.026 R)
• M11: 7,835,188 km (0.073 R)
• M12: 8,381,669 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132

Radius: 11.8

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.91 AU - 3.29 AU

Year: 3524 Days

Day: 5 Hours

Environment

Temp: -211 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,631,146 km

• M1: 189,241 km (0.082 R)
• M2: 747,840 km (0.075 R)
• M3: 2,298,721 km (0.096 R)
• M4: 2,744,971 km (0.098 R)
• M5: 3,580,326 km (0.118 R)
• M6: 4,481,952 km (0.079 R)
• M7: 4,874,647 km (0.111 R)
• M8: 5,617,699 km (0.076 R)
• M9: 6,361,799 km (0.073 R)
• M10: 6,910,524 km (0.076 R)
• M11: 8,275,904 km (0.096 R)
• M12: 8,748,783 km (0.041 R)
• M13: 9,651,905 km (0.11 R)
• M14: 10,479,480 km (0.085 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.6

Radius: 8.6

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 4.21 AU - 6.59 AU

Year: 8102 Days

Day: 14.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 72,631,146 km

• M1: 107,262 km (0.06 R)
• M2: 546,331 km (0.105 R)
• M3: 854,653 km (0.105 R)
• M4: 2,087,937 km (0.088 R)
• M5: 2,387,133 km (0.065 R)
• M6: 2,890,081 km (0.053 R)
• M7: 3,908,394 km (0.111 R)
• M8: 4,472,677 km (0.111 R)
• M9: 6,154,606 km (0.069 R)
• M10: 7,940,505 km (0.085 R)
• M11: 8,261,842 km (0.093 R)
• M12: 9,016,712 km (0.03 R)
• M13: 9,455,483 km (0.118 R)
• M14: 9,725,657 km (0.052 R)
• M15: 10,471,253 km (0.08 R)
• M16: 11,154,316 km (0.117 R)
• M17: 12,772,367 km (0.082 R)
• M18: 14,422,581 km (0.088 R)
• M19: 17,797,210 km (0.082 R)
• M20: 18,348,478 km (0.079 R)
• M21: 18,911,116 km (0.095 R)
• M22: 24,001,034 km (0.089 R)
• M23: 25,359,532 km (0.104 R)
• M24: 26,948,411 km (0.097 R)
• M25: 27,859,312 km (0.09 R)
• M26: 28,322,318 km (0.084 R)
• M27: 28,602,664 km (0.069 R)
• M28: 29,073,897 km (0.059 R)
• M29: 30,225,951 km (0.117 R)
• M30: 37,672,933 km (0.114 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.1

Radius: 12.6

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 5.32 AU - 6.38 AU

Year: 9136 Days

Day: 14.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,631,146 km

• M1: 156,779 km (0.073 R)
• M2: 589,416 km (0.106 R)
• M3: 1,138,589 km (0.056 R)
• M4: 1,974,692 km (0.027 R)
• M5: 3,374,180 km (0.079 R)
• M6: 5,094,406 km (0.054 R)
• M7: 5,723,315 km (0.045 R)
• M8: 7,968,779 km (0.059 R)
• M9: 11,729,371 km (0.088 R)
• M10: 14,766,357 km (0.104 R)
• M11: 16,466,238 km (0.082 R)
• M12: 20,332,595 km (0.104 R)
• M13: 21,155,981 km (0.112 R)
• M14: 22,519,566 km (0.118 R)
• M15: 28,258,439 km (0.12 R)
• M16: 31,736,739 km (0.074 R)
• M17: 35,608,931 km (0.101 R)
• M18: 36,926,290 km (0.089 R)
• M19: 38,400,128 km (0.06 R)
• M20: 40,168,823 km (0.101 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 681.7

Radius: 7.7

Gravity: 11.5 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 9.14 AU - 9.72 AU

Year: 18697 Days

Day: 20.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 72,631,146 km

• M1: 96,042 km (0.041 R)
• M2: 350,508 km (0.097 R)
• M3: 889,359 km (0.101 R)
• M4: 1,175,540 km (0.038 R)
• M5: 1,774,829 km (0.11 R)
• M6: 2,093,622 km (0.114 R)
• M7: 2,726,272 km (0.066 R)
• M8: 3,126,446 km (0.057 R)
• M9: 3,479,946 km (0.096 R)
• M10: 4,878,686 km (0.106 R)
• M11: 5,663,925 km (0.102 R)
• M12: 6,025,204 km (0.11 R)
• M13: 6,487,611 km (0.046 R)
• M14: 7,110,088 km (0.107 R)
• M15: 7,530,906 km (0.109 R)
• M16: 8,422,211 km (0.074 R)
• M17: 8,734,421 km (0.061 R)
• M18: 9,271,926 km (0.109 R)
• M19: 11,141,002 km (0.097 R)
• M20: 14,321,603 km (0.057 R)
• M21: 15,763,427 km (0.076 R)
• M22: 17,133,295 km (0.089 R)
• M23: 17,550,822 km (0.076 R)
• M24: 18,844,395 km (0.119 R)
• M25: 20,292,951 km (0.045 R)
• M26: 25,404,411 km (0.112 R)
• M27: 27,509,253 km (0.084 R)
• M28: 31,188,912 km (0.115 R)
• M29: 33,859,832 km (0.063 R)
• M30: 40,529,953 km (0.108 R)
• M31: 42,173,136 km (0.057 R)
• M32: 43,860,001 km (0.11 R)
• M33: 45,273,402 km (0.095 R)
• M34: 45,751,218 km (0.111 R)
• M35: 47,041,649 km (0.093 R)
• M36: 50,373,941 km (0.117 R)
• M37: 58,628,453 km (0.115 R)
• M38: 72,413,747 km (0.054 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: 353 - 11,736 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit