🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.5

Radius: 13.3

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.86 AU - 1.1 AU

Year: 682 Days

Day: 5.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,263,320 km

• M1: 165,455 km (0.085 R)
• M2: 587,471 km (0.119 R)
• M3: 1,033,422 km (0.055 R)
• M4: 2,148,076 km (0.085 R)
• M5: 2,597,617 km (0.063 R)
• M6: 3,089,794 km (0.114 R)
• M7: 4,075,046 km (0.093 R)
• M8: 4,730,584 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163

Radius: 10.7

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.18 AU - 1.38 AU

Year: 1018 Days

Day: 6.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 57,263,320 km

• M1: 132,993 km (0.071 R)
• M2: 734,526 km (0.1 R)
• M3: 1,077,254 km (0.051 R)
• M4: 1,644,679 km (0.116 R)
• M5: 2,776,836 km (0.084 R)
• M6: 4,167,348 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.2

Radius: 12.3

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.09 AU - 1.55 AU

Year: 1066 Days

Day: 9.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,263,320 km

• M1: 153,039 km (0.12 R)
• M2: 692,489 km (0.103 R)
• M3: 1,187,358 km (0.093 R)
• M4: 1,863,690 km (0.08 R)
• M5: 2,375,913 km (0.111 R)
• M6: 2,820,817 km (0.062 R)
• M7: 3,600,821 km (0.052 R)
• M8: 4,370,053 km (0.072 R)
• M9: 5,116,846 km (0.045 R)
• M10: 6,028,495 km (0.111 R)
• M11: 6,577,519 km (0.072 R)
• M12: 7,022,573 km (0.036 R)
• M13: 7,535,245 km (0.093 R)
• M14: 9,224,953 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.8

Radius: 10.4

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.94 AU - 2.4 AU

Year: 2247 Days

Day: 8.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,263,320 km

• M1: 129,402 km (0.102 R)
• M2: 574,755 km (0.049 R)
• M3: 909,106 km (0.096 R)
• M4: 1,370,316 km (0.061 R)
• M5: 1,758,373 km (0.059 R)
• M6: 2,408,077 km (0.054 R)
• M7: 3,040,577 km (0.1 R)
• M8: 3,404,698 km (0.091 R)
• M9: 4,455,174 km (0.102 R)
• M10: 5,098,894 km (0.033 R)
• M11: 5,851,072 km (0.074 R)
• M12: 6,417,898 km (0.111 R)
• M13: 6,807,002 km (0.094 R)
• M14: 7,294,841 km (0.077 R)
• M15: 8,159,517 km (0.092 R)
• M16: 11,729,520 km (0.088 R)
• M17: 13,078,893 km (0.081 R)
• M18: 14,440,982 km (0.068 R)
• M19: 14,840,558 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.9

Radius: 13.6

Gravity: 0.06 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.63 AU - 3.17 AU

Year: 3471 Days

Day: 11 Hours

Environment

Temp: -203 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,263,320 km

• M1: 170,990 km (0.109 R)
• M2: 769,831 km (0.111 R)
• M3: 1,412,653 km (0.117 R)
• M4: 2,170,815 km (0.118 R)
• M5: 3,441,649 km (0.083 R)
• M6: 4,275,507 km (0.114 R)
• M7: 5,564,891 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.6

Radius: 8.9

Gravity: 10.07 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.35 AU - 3.75 AU

Year: 3744 Days

Day: 14.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 57,263,320 km

• M1: 115,041 km (0.038 R)
• M2: 436,377 km (0.086 R)
• M3: 1,100,143 km (0.09 R)
• M4: 1,542,055 km (0.073 R)
• M5: 1,882,390 km (0.117 R)
• M6: 2,716,548 km (0.109 R)
• M7: 3,351,890 km (0.101 R)
• M8: 4,016,254 km (0.113 R)
• M9: 4,474,323 km (0.11 R)
• M10: 4,916,085 km (0.111 R)
• M11: 5,386,720 km (0.026 R)
• M12: 6,695,552 km (0.1 R)
• M13: 7,991,369 km (0.106 R)
• M14: 9,019,704 km (0.115 R)
• M15: 11,516,493 km (0.049 R)
• M16: 12,112,640 km (0.087 R)
• M17: 13,820,150 km (0.074 R)
• M18: 14,811,386 km (0.077 R)
• M19: 17,347,369 km (0.099 R)
• M20: 18,191,849 km (0.094 R)
• M21: 20,823,126 km (0.119 R)
• M22: 22,054,616 km (0.053 R)
• M23: 22,830,729 km (0.114 R)
• M24: 23,697,948 km (0.069 R)
• M25: 24,662,107 km (0.109 R)
• M26: 25,498,209 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.8

Radius: 8.9

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.83 AU - 3.63 AU

Year: 4080 Days

Day: 7.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 66.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,263,320 km

• M1: 110,702 km (0.073 R)
• M2: 412,890 km (0.095 R)
• M3: 847,322 km (0.093 R)
• M4: 1,177,186 km (0.088 R)
• M5: 1,735,335 km (0.082 R)
• M6: 2,278,076 km (0.098 R)
• M7: 2,899,955 km (0.112 R)
• M8: 3,424,744 km (0.11 R)
• M9: 4,299,592 km (0.104 R)
• M10: 4,768,432 km (0.078 R)
• M11: 6,511,397 km (0.073 R)
• M12: 7,214,058 km (0.119 R)
• M13: 8,086,513 km (0.097 R)
• M14: 8,454,524 km (0.095 R)
• M15: 9,092,858 km (0.103 R)
• M16: 12,169,039 km (0.111 R)
• M17: 12,693,828 km (0.087 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.8

Radius: 8.6

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.98 AU - 4.48 AU

Year: 5064 Days

Day: 11.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,263,320 km

• M1: 106,962 km (0.083 R)
• M2: 462,856 km (0.093 R)
• M3: 1,096,552 km (0.113 R)
• M4: 1,743,563 km (0.119 R)
• M5: 2,017,776 km (0.067 R)
• M6: 2,564,706 km (0.119 R)
• M7: 3,037,286 km (0.087 R)
• M8: 3,365,802 km (0.087 R)
• M9: 4,260,697 km (0.097 R)
• M10: 4,606,717 km (0.057 R)
• M11: 5,529,287 km (0.035 R)
• M12: 6,155,504 km (0.107 R)
• M13: 6,429,866 km (0.05 R)
• M14: 7,272,551 km (0.081 R)
• M15: 7,799,734 km (0.082 R)
• M16: 9,791,629 km (0.063 R)
• M17: 10,746,812 km (0.102 R)
• M18: 11,065,156 km (0.058 R)
• M19: 11,554,491 km (0.062 R)
• M20: 13,290,574 km (0.107 R)
• M21: 13,890,461 km (0.101 R)
• M22: 17,218,117 km (0.058 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217

Radius: 14.4

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 3.45 AU - 5.29 AU

Year: 6421 Days

Day: 13 Hours

Environment

Temp: -229 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,263,320 km

• M1: 179,069 km (0.076 R)
• M2: 675,734 km (0.112 R)
• M3: 1,187,807 km (0.078 R)
• M4: 2,277,927 km (0.082 R)
• M5: 2,766,364 km (0.091 R)
• M6: 3,438,357 km (0.079 R)
• M7: 3,896,725 km (0.041 R)
• M8: 4,396,083 km (0.061 R)
• M9: 5,162,473 km (0.03 R)
• M10: 5,822,050 km (0.089 R)
• M11: 7,837,133 km (0.051 R)
• M12: 9,882,735 km (0.059 R)
• M13: 11,029,701 km (0.051 R)
• M14: 11,768,266 km (0.116 R)
• M15: 15,109,983 km (0.098 R)
• M16: 16,743,442 km (0.086 R)
• M17: 18,431,505 km (0.031 R)
• M18: 21,538,054 km (0.08 R)
• M19: 22,486,206 km (0.119 R)
• M20: 23,250,651 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 360.2

Radius: 7

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 6.76 AU - 10.62 AU

Year: 18007 Days

Day: 24.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 57,263,320 km

• M1: 87,216 km (0.092 R)
• M2: 316,848 km (0.1 R)
• M3: 544,536 km (0.06 R)
• M4: 791,822 km (0.092 R)
• M5: 1,302,249 km (0.058 R)
• M6: 1,584,989 km (0.087 R)
• M7: 1,806,993 km (0.113 R)
• M8: 2,104,692 km (0.072 R)
• M9: 2,580,713 km (0.051 R)
• M10: 3,126,446 km (0.083 R)
• M11: 3,719,003 km (0.12 R)
• M12: 6,979,937 km (0.026 R)
• M13: 7,671,528 km (0.054 R)
• M14: 8,360,576 km (0.062 R)
• M15: 9,190,695 km (0.083 R)
• M16: 10,290,389 km (0.074 R)
• M17: 10,509,400 km (0.062 R)
• M18: 11,829,900 km (0.102 R)
• M19: 13,779,759 km (0.035 R)
• M20: 14,046,043 km (0.062 R)
• M21: 14,520,418 km (0.098 R)
• M22: 15,644,646 km (0.057 R)
• M23: 16,227,928 km (0.116 R)
• M24: 20,637,625 km (0.103 R)
• M25: 22,238,322 km (0.032 R)
• M26: 23,539,225 km (0.088 R)
• M27: 25,885,967 km (0.064 R)
• M28: 27,011,990 km (0.115 R)
• M29: 28,924,449 km (0.107 R)
• M30: 31,039,015 km (0.044 R)
• M31: 35,200,379 km (0.09 R)
• M32: 35,823,753 km (0.092 R)
• M33: 37,737,858 km (0.102 R)
• M34: 40,258,881 km (0.077 R)
• M35: 40,940,449 km (0.05 R)
• M36: 50,672,988 km (0.093 R)
• M37: 53,572,045 km (0.107 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 237 - 19,287 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit