🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.6

Radius: 14.9

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.55 AU - 0.77 AU

Year: 370 Days

Day: 6.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,012,033 km

• M1: 185,352 km (0.084 R)
• M2: 707,000 km (0.061 R)
• M3: 1,285,495 km (0.102 R)
• M4: 1,876,107 km (0.053 R)
• M5: 2,394,613 km (0.056 R)
• M6: 2,858,666 km (0.105 R)
• M7: 3,518,841 km (0.093 R)
• M8: 4,561,688 km (0.101 R)
• M9: 5,178,480 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860

Radius: 12.2

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.95 AU - 2.79 AU

Year: 2518 Days

Day: 12.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,012,033 km

• M1: 151,692 km (0.102 R)
• M2: 620,682 km (0.111 R)
• M3: 1,106,725 km (0.049 R)
• M4: 1,501,514 km (0.084 R)
• M5: 1,931,309 km (0.097 R)
• M6: 2,947,676 km (0.076 R)
• M7: 3,520,337 km (0.1 R)
• M8: 4,729,836 km (0.112 R)
• M9: 5,197,479 km (0.054 R)
• M10: 8,082,175 km (0.115 R)
• M11: 9,173,042 km (0.104 R)
• M12: 9,903,229 km (0.113 R)
• M13: 10,282,610 km (0.075 R)
• M14: 11,314,835 km (0.116 R)
• M15: 12,327,762 km (0.084 R)
• M16: 12,856,441 km (0.108 R)
• M17: 13,631,358 km (0.066 R)
• M18: 14,436,943 km (0.056 R)
• M19: 15,475,900 km (0.072 R)
• M20: 15,936,063 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.5

Radius: 12.5

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.33 AU - 3.37 AU

Year: 3321 Days

Day: 10.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,012,033 km

• M1: 155,432 km (0.093 R)
• M2: 679,773 km (0.051 R)
• M3: 1,288,935 km (0.107 R)
• M4: 1,817,016 km (0.038 R)
• M5: 2,647,284 km (0.102 R)
• M6: 3,095,180 km (0.097 R)
• M7: 3,778,693 km (0.084 R)
• M8: 4,608,512 km (0.05 R)
• M9: 5,157,237 km (0.036 R)
• M10: 5,610,818 km (0.1 R)
• M11: 7,037,981 km (0.098 R)
• M12: 7,767,720 km (0.113 R)
• M13: 8,993,974 km (0.116 R)
• M14: 10,682,335 km (0.082 R)
• M15: 11,113,775 km (0.107 R)
• M16: 12,103,814 km (0.071 R)
• M17: 12,763,990 km (0.109 R)
• M18: 14,104,985 km (0.086 R)
• M19: 14,889,476 km (0.119 R)
• M20: 15,483,080 km (0.085 R)
• M21: 19,255,490 km (0.032 R)
• M22: 23,096,415 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.5

Radius: 11.1

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.56 AU - 3.82 AU

Year: 3933 Days

Day: 5.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,012,033 km

• M1: 138,228 km (0.048 R)
• M2: 539,749 km (0.099 R)
• M3: 1,272,031 km (0.077 R)
• M4: 1,730,698 km (0.073 R)
• M5: 2,238,283 km (0.097 R)
• M6: 3,412,178 km (0.078 R)
• M7: 3,876,230 km (0.09 R)
• M8: 4,854,301 km (0.114 R)
• M9: 7,958,906 km (0.105 R)
• M10: 10,113,265 km (0.076 R)
• M11: 10,586,892 km (0.065 R)
• M12: 13,486,996 km (0.099 R)
• M13: 14,597,311 km (0.083 R)
• M14: 15,939,952 km (0.091 R)
• M15: 16,760,048 km (0.111 R)
• M16: 18,933,705 km (0.096 R)
• M17: 21,924,914 km (0.113 R)
• M18: 24,136,420 km (0.072 R)
• M19: 26,573,818 km (0.12 R)
• M20: 28,062,017 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.3

Radius: 14.8

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.53 AU - 4.03 AU

Year: 4100 Days

Day: 5.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,012,033 km

• M1: 233,073 km (0.053 R)
• M2: 707,598 km (0.056 R)
• M3: 1,494,483 km (0.114 R)
• M4: 2,006,107 km (0.103 R)
• M5: 3,520,038 km (0.102 R)
• M6: 4,253,067 km (0.102 R)
• M7: 6,364,791 km (0.099 R)
• M8: 7,249,662 km (0.083 R)
• M9: 8,215,017 km (0.085 R)
• M10: 9,024,043 km (0.082 R)
• M11: 11,396,067 km (0.106 R)
• M12: 12,953,979 km (0.058 R)
• M13: 13,943,868 km (0.116 R)
• M14: 14,594,619 km (0.113 R)
• M15: 16,015,798 km (0.111 R)
• M16: 17,840,743 km (0.113 R)
• M17: 19,132,221 km (0.097 R)
• M18: 19,665,986 km (0.088 R)
• M19: 20,485,184 km (0.119 R)
• M20: 27,795,284 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.8

Radius: 14.8

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 4.19 AU - 4.31 AU

Year: 6048 Days

Day: 8.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,012,033 km

• M1: 230,830 km (0.073 R)
• M2: 1,116,449 km (0.08 R)
• M3: 2,212,253 km (0.09 R)
• M4: 3,711,374 km (0.082 R)
• M5: 4,827,224 km (0.111 R)
• M6: 5,390,460 km (0.04 R)
• M7: 5,997,678 km (0.064 R)
• M8: 7,029,305 km (0.11 R)
• M9: 8,652,442 km (0.03 R)
• M10: 9,231,385 km (0.033 R)
• M11: 11,811,500 km (0.102 R)
• M12: 16,347,457 km (0.032 R)
• M13: 19,805,113 km (0.1 R)
• M14: 22,313,270 km (0.046 R)
• M15: 31,101,098 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 599.7

Radius: 5.2

Gravity: 22.18 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 7.91 AU - 8.45 AU

Year: 16149 Days

Day: 16.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 74,012,033 km

• M1: 65,524 km (0.118 R)
• M2: 230,381 km (0.108 R)
• M3: 457,470 km (0.084 R)
• M4: 831,764 km (0.055 R)
• M5: 1,097,899 km (0.118 R)
• M6: 1,666,969 km (0.086 R)
• M7: 2,249,204 km (0.11 R)
• M8: 2,744,971 km (0.041 R)
• M9: 3,416,367 km (0.044 R)
• M10: 3,607,104 km (0.066 R)
• M11: 6,201,879 km (0.081 R)
• M12: 7,482,586 km (0.105 R)
• M13: 7,851,943 km (0.062 R)
• M14: 14,027,194 km (0.092 R)
• M15: 16,208,929 km (0.104 R)
• M16: 16,748,678 km (0.111 R)
• M17: 18,191,849 km (0.113 R)
• M18: 19,715,653 km (0.115 R)
• M19: 20,065,562 km (0.096 R)
• M20: 26,771,137 km (0.081 R)
• M21: 27,524,961 km (0.12 R)
• M22: 29,985,996 km (0.092 R)
• M23: 31,033,779 km (0.113 R)
• M24: 32,833,741 km (0.026 R)
• M25: 33,946,599 km (0.109 R)
• M26: 34,956,684 km (0.12 R)
• M27: 39,197,784 km (0.076 R)
• M28: 41,727,783 km (0.073 R)
• M29: 44,215,147 km (0.047 R)
• M30: 45,876,281 km (0.104 R)
• M31: 46,799,749 km (0.079 R)
• M32: 48,366,188 km (0.113 R)
• M33: 57,432,418 km (0.08 R)
• M34: 61,615,174 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 448.3

Radius: 5

Gravity: 17.93 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 7.61 AU - 8.75 AU

Year: 16149 Days

Day: 20.1 Hours

Environment

Temp: -242 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 74,012,033 km

• M1: 62,382 km (0.1 R)
• M2: 259,253 km (0.115 R)
• M3: 448,494 km (0.025 R)
• M4: 1,833,621 km (0.074 R)
• M5: 3,276,941 km (0.066 R)
• M6: 3,456,459 km (0.065 R)
• M7: 3,751,765 km (0.09 R)
• M8: 4,548,374 km (0.041 R)
• M9: 5,668,114 km (0.041 R)
• M10: 6,712,008 km (0.117 R)
• M11: 7,257,741 km (0.076 R)
• M12: 7,877,973 km (0.07 R)
• M13: 9,022,397 km (0.114 R)
• M14: 10,827,146 km (0.108 R)
• M15: 12,237,255 km (0.119 R)
• M16: 18,615,361 km (0.119 R)
• M17: 20,715,416 km (0.117 R)
• M18: 23,061,709 km (0.077 R)
• M19: 23,817,776 km (0.033 R)
• M20: 24,009,261 km (0.059 R)
• M21: 27,847,494 km (0.091 R)
• M22: 28,596,531 km (0.088 R)
• M23: 28,812,999 km (0.07 R)
• M24: 32,898,217 km (0.113 R)
• M25: 33,255,158 km (0.092 R)
• M26: 38,132,946 km (0.031 R)
• M27: 38,790,877 km (0.096 R)
• M28: 57,282,221 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 658

Radius: 4.2

Gravity: 37.3 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 8.7 AU - 9.9 AU

Year: 19577 Days

Day: 17.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 74,012,033 km

• M1: 52,359 km (0.116 R)
• M2: 193,280 km (0.081 R)
• M3: 360,830 km (0.045 R)
• M4: 818,450 km (0.056 R)
• M5: 1,012,030 km (0.12 R)
• M6: 1,307,635 km (0.118 R)
• M7: 1,590,375 km (0.105 R)
• M8: 1,728,603 km (0.083 R)
• M9: 1,950,906 km (0.119 R)
• M10: 3,063,016 km (0.108 R)
• M11: 3,305,515 km (0.116 R)
• M12: 3,798,589 km (0.096 R)
• M13: 4,785,636 km (0.101 R)
• M14: 5,262,404 km (0.106 R)
• M15: 7,157,660 km (0.053 R)
• M16: 7,298,282 km (0.084 R)
• M17: 7,584,911 km (0.108 R)
• M18: 9,634,103 km (0.109 R)
• M19: 11,633,628 km (0.051 R)
• M20: 12,492,021 km (0.099 R)
• M21: 13,040,746 km (0.064 R)
• M22: 15,947,731 km (0.066 R)
• M23: 20,740,698 km (0.1 R)
• M24: 23,720,388 km (0.062 R)
• M25: 25,311,810 km (0.065 R)
• M26: 26,747,650 km (0.106 R)
• M27: 30,022,497 km (0.055 R)
• M28: 31,129,372 km (0.091 R)
• M29: 35,966,170 km (0.031 R)
• M30: 36,103,501 km (0.115 R)
• M31: 38,922,374 km (0.099 R)
• M32: 41,130,439 km (0.053 R)
• M33: 41,733,019 km (0.111 R)
• M34: 42,036,553 km (0.066 R)
• M35: 45,312,746 km (0.104 R)
• M36: 46,930,946 km (0.119 R)
• M37: 48,086,291 km (0.096 R)
• M38: 50,970,987 km (0.033 R)
• M39: 71,815,355 km (0.052 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 318 - 16,569 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit