🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.9

Radius: 8.1

Gravity: 10.85 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.18 AU - 1.78 AU

Year: 1181 Days

Day: 5 Hours

Environment

Temp: -177 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,259,128 km

• M1: 100,979 km (0.106 R)
• M2: 360,531 km (0.084 R)
• M3: 668,852 km (0.093 R)
• M4: 1,135,597 km (0.107 R)
• M5: 1,711,250 km (0.099 R)
• M6: 1,986,809 km (0.113 R)
• M7: 2,420,494 km (0.115 R)
• M8: 2,875,720 km (0.077 R)
• M9: 3,680,257 km (0.115 R)
• M10: 4,109,304 km (0.083 R)
• M11: 4,872,702 km (0.111 R)
• M12: 5,536,318 km (0.117 R)
• M13: 6,281,615 km (0.118 R)
• M14: 7,810,206 km (0.083 R)
• M15: 8,296,997 km (0.092 R)
• M16: 8,890,302 km (0.109 R)
• M17: 11,040,024 km (0.07 R)
• M18: 11,480,739 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.3

Radius: 9.9

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.63 AU - 1.73 AU

Year: 1428 Days

Day: 5.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,259,128 km

• M1: 123,119 km (0.116 R)
• M2: 508,034 km (0.091 R)
• M3: 829,221 km (0.073 R)
• M4: 1,197,681 km (0.056 R)
• M5: 1,646,624 km (0.095 R)
• M6: 2,759,931 km (0.089 R)
• M7: 3,834,642 km (0.101 R)
• M8: 5,167,410 km (0.063 R)
• M9: 6,128,127 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.7

Radius: 13.9

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.72 AU - 2.02 AU

Year: 1678 Days

Day: 5.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,259,128 km

• M1: 172,935 km (0.088 R)
• M2: 611,406 km (0.084 R)
• M3: 1,128,716 km (0.103 R)
• M4: 1,924,876 km (0.083 R)
• M5: 2,389,228 km (0.079 R)
• M6: 2,928,977 km (0.119 R)
• M7: 3,533,950 km (0.069 R)
• M8: 5,079,446 km (0.067 R)
• M9: 6,027,298 km (0.06 R)
• M10: 7,301,124 km (0.094 R)
• M11: 8,332,601 km (0.082 R)
• M12: 8,898,829 km (0.095 R)
• M13: 10,242,368 km (0.081 R)
• M14: 10,998,136 km (0.119 R)
• M15: 12,467,487 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.4

Radius: 12

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.72 AU - 2.42 AU

Year: 1954 Days

Day: 6.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,259,128 km

• M1: 153,188 km (0.069 R)
• M2: 583,432 km (0.102 R)
• M3: 982,708 km (0.115 R)
• M4: 1,439,580 km (0.09 R)
• M5: 2,233,496 km (0.118 R)
• M6: 2,716,697 km (0.1 R)
• M7: 3,177,309 km (0.084 R)
• M8: 3,556,689 km (0.07 R)
• M9: 4,128,303 km (0.066 R)
• M10: 6,267,403 km (0.114 R)
• M11: 7,398,961 km (0.044 R)
• M12: 8,216,364 km (0.102 R)
• M13: 9,377,243 km (0.109 R)
• M14: 10,064,197 km (0.046 R)
• M15: 10,819,516 km (0.106 R)
• M16: 12,136,726 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574

Radius: 11.1

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.97 AU - 2.95 AU

Year: 2531 Days

Day: 5.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,259,128 km

• M1: 138,079 km (0.108 R)
• M2: 575,653 km (0.075 R)
• M3: 1,338,901 km (0.119 R)
• M4: 2,449,067 km (0.095 R)
• M5: 2,839,816 km (0.078 R)
• M6: 4,190,984 km (0.103 R)
• M7: 5,534,972 km (0.097 R)
• M8: 7,647,742 km (0.105 R)
• M9: 8,490,726 km (0.092 R)
• M10: 8,851,407 km (0.116 R)
• M11: 10,435,349 km (0.053 R)
• M12: 12,118,026 km (0.065 R)
• M13: 14,947,221 km (0.098 R)
• M14: 16,464,442 km (0.091 R)
• M15: 17,338,992 km (0.043 R)
• M16: 17,707,900 km (0.048 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.3

Radius: 14.3

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.41 AU - 3.61 AU

Year: 3426 Days

Day: 7 Hours

Environment

Temp: -203 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,259,128 km

• M1: 190,288 km (0.111 R)
• M2: 1,098,348 km (0.09 R)
• M3: 1,595,312 km (0.1 R)
• M4: 2,494,096 km (0.082 R)
• M5: 3,649,590 km (0.081 R)
• M6: 4,281,940 km (0.095 R)
• M7: 4,937,478 km (0.06 R)
• M8: 5,578,654 km (0.072 R)
• M9: 6,421,189 km (0.11 R)
• M10: 7,060,272 km (0.106 R)
• M11: 7,608,398 km (0.091 R)
• M12: 8,466,342 km (0.055 R)
• M13: 9,123,226 km (0.064 R)
• M14: 9,579,948 km (0.079 R)
• M15: 10,416,051 km (0.112 R)
• M16: 11,738,795 km (0.044 R)
• M17: 13,122,875 km (0.083 R)
• M18: 14,924,482 km (0.059 R)
• M19: 15,993,957 km (0.068 R)
• M20: 17,228,738 km (0.071 R)
• M21: 18,165,969 km (0.114 R)
• M22: 20,206,484 km (0.07 R)
• M23: 20,658,120 km (0.096 R)
• M24: 21,116,637 km (0.078 R)
• M25: 23,159,246 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.5

Radius: 8.2

Gravity: 11.28 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 4.73 AU - 4.95 AU

Year: 6985 Days

Day: 12.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 59,259,128 km

• M1: 102,475 km (0.101 R)
• M2: 364,869 km (0.088 R)
• M3: 1,111,811 km (0.06 R)
• M4: 1,475,933 km (0.065 R)
• M5: 1,785,750 km (0.098 R)
• M6: 2,171,862 km (0.034 R)
• M7: 2,483,474 km (0.073 R)
• M8: 2,825,006 km (0.084 R)
• M9: 4,248,729 km (0.039 R)
• M10: 4,767,684 km (0.1 R)
• M11: 5,931,855 km (0.1 R)
• M12: 6,580,212 km (0.025 R)
• M13: 6,939,995 km (0.096 R)
• M14: 8,596,941 km (0.109 R)
• M15: 8,853,501 km (0.064 R)
• M16: 9,562,745 km (0.036 R)
• M17: 10,405,280 km (0.078 R)
• M18: 10,844,649 km (0.083 R)
• M19: 13,457,675 km (0.099 R)
• M20: 14,215,687 km (0.098 R)
• M21: 14,514,584 km (0.037 R)
• M22: 18,017,268 km (0.098 R)
• M23: 20,112,985 km (0.109 R)
• M24: 22,205,560 km (0.109 R)
• M25: 23,263,067 km (0.09 R)
• M26: 23,678,650 km (0.034 R)
• M27: 29,444,302 km (0.103 R)
• M28: 29,735,419 km (0.049 R)
• M29: 31,019,418 km (0.039 R)
• M30: 31,421,836 km (0.116 R)
• M31: 32,134,371 km (0.07 R)
• M32: 35,639,449 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 470

Radius: 3.4

Gravity: 40.66 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 6.9 AU - 7.66 AU

Year: 12886 Days

Day: 22.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 59,259,128 km

• M1: 42,635 km (0.115 R)
• M2: 170,841 km (0.091 R)
• M3: 658,829 km (0.091 R)
• M4: 768,933 km (0.097 R)
• M5: 1,015,919 km (0.089 R)
• M6: 1,274,873 km (0.099 R)
• M7: 1,743,563 km (0.033 R)
• M8: 2,434,855 km (0.115 R)
• M9: 2,808,700 km (0.119 R)
• M10: 3,267,666 km (0.106 R)
• M11: 4,420,467 km (0.085 R)
• M12: 6,108,979 km (0.093 R)
• M13: 7,034,989 km (0.082 R)
• M14: 7,405,095 km (0.092 R)
• M15: 7,701,747 km (0.081 R)
• M16: 7,831,299 km (0.101 R)
• M17: 8,273,809 km (0.092 R)
• M18: 8,920,970 km (0.1 R)
• M19: 10,578,664 km (0.095 R)
• M20: 10,738,883 km (0.105 R)
• M21: 10,954,902 km (0.088 R)
• M22: 11,905,747 km (0.103 R)
• M23: 12,728,984 km (0.12 R)
• M24: 12,849,709 km (0.103 R)
• M25: 13,589,620 km (0.105 R)
• M26: 14,098,403 km (0.119 R)
• M27: 16,402,808 km (0.095 R)
• M28: 17,869,316 km (0.085 R)
• M29: 18,634,360 km (0.118 R)
• M30: 19,261,773 km (0.077 R)
• M31: 19,984,480 km (0.069 R)
• M32: 20,641,813 km (0.07 R)
• M33: 25,365,217 km (0.049 R)
• M34: 29,162,759 km (0.116 R)
• M35: 37,859,930 km (0.118 R)
• M36: 39,502,215 km (0.094 R)
• M37: 40,016,832 km (0.088 R)
• M38: 40,535,937 km (0.057 R)
• M39: 45,411,930 km (0.098 R)
• M40: 48,429,319 km (0.042 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 848.8

Radius: 4.4

Gravity: 43.84 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 7.26 AU - 10.12 AU

Year: 16805 Days

Day: 16 Hours

Environment

Temp: -234 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,259,128 km

• M1: 57,894 km (0.105 R)
• M2: 233,672 km (0.095 R)
• M3: 577,448 km (0.068 R)
• M4: 861,085 km (0.086 R)
• M5: 2,263,266 km (0.119 R)
• M6: 5,917,344 km (0.116 R)
• M7: 7,652,679 km (0.115 R)
• M8: 8,147,100 km (0.046 R)
• M9: 9,531,479 km (0.054 R)
• M10: 10,517,179 km (0.094 R)
• M11: 11,956,161 km (0.119 R)
• M12: 12,962,356 km (0.106 R)
• M13: 17,807,981 km (0.062 R)
• M14: 22,023,499 km (0.098 R)
• M15: 26,081,042 km (0.067 R)
• M16: 26,746,454 km (0.057 R)
• M17: 31,849,985 km (0.051 R)
• M18: 32,610,092 km (0.041 R)
• M19: 34,034,712 km (0.114 R)
• M20: 38,556,757 km (0.108 R)
• M21: 42,694,484 km (0.109 R)
• M22: 45,664,600 km (0.099 R)
• M23: 53,065,656 km (0.109 R)
• M24: 67,453,381 km (0.084 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 349.7

Radius: 4.6

Gravity: 16.53 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 7.85 AU - 11.17 AU

Year: 19239 Days

Day: 19.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 59,259,128 km

• M1: 60,737 km (0.046 R)
• M2: 237,711 km (0.086 R)
• M3: 509,830 km (0.114 R)
• M4: 885,919 km (0.118 R)
• M5: 1,356,853 km (0.113 R)
• M6: 2,446,224 km (0.114 R)
• M7: 2,912,371 km (0.073 R)
• M8: 3,129,438 km (0.081 R)
• M9: 4,258,004 km (0.119 R)
• M10: 5,895,203 km (0.096 R)
• M11: 6,322,156 km (0.081 R)
• M12: 7,369,042 km (0.101 R)
• M13: 7,546,614 km (0.06 R)
• M14: 8,477,861 km (0.102 R)
• M15: 9,327,726 km (0.091 R)
• M16: 11,136,813 km (0.113 R)
• M17: 11,548,507 km (0.107 R)
• M18: 13,494,925 km (0.113 R)
• M19: 14,719,982 km (0.071 R)
• M20: 15,649,433 km (0.072 R)
• M21: 17,077,495 km (0.081 R)
• M22: 17,783,297 km (0.065 R)
• M23: 21,067,719 km (0.112 R)
• M24: 21,697,077 km (0.099 R)
• M25: 23,756,591 km (0.107 R)
• M26: 26,457,879 km (0.108 R)
• M27: 32,460,943 km (0.07 R)
• M28: 41,232,464 km (0.114 R)
• M29: 54,592,153 km (0.047 R)
• M30: 54,760,450 km (0.092 R)
• M31: 55,267,437 km (0.079 R)
• M32: 57,326,802 km (0.092 R)
• M33: 57,500,784 km (0.076 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 500 - 18,371 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit