🌌 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 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.9

Radius: 11.7

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.46 AU - 0.62 AU

Year: 265 Days

Day: 12.1 Hours

Environment

Temp: -137 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,453,607 km

• M1: 145,708 km (0.072 R)
• M2: 532,269 km (0.119 R)
• M3: 979,716 km (0.102 R)
• M4: 1,774,680 km (0.106 R)
• M5: 3,097,873 km (0.12 R)
• M6: 3,827,761 km (0.077 R)
• M7: 4,333,551 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.5

Radius: 12.6

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.99 AU - 1.41 AU

Year: 877 Days

Day: 13.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,453,607 km

• M1: 157,377 km (0.108 R)
• M2: 568,771 km (0.077 R)
• M3: 982,559 km (0.088 R)
• M4: 1,388,418 km (0.085 R)
• M5: 1,862,643 km (0.12 R)
• M6: 2,490,505 km (0.05 R)
• M7: 3,381,660 km (0.098 R)
• M8: 4,075,944 km (0.08 R)
• M9: 4,648,604 km (0.096 R)
• M10: 5,371,312 km (0.118 R)
• M11: 6,103,593 km (0.098 R)
• M12: 7,692,771 km (0.051 R)
• M13: 8,543,684 km (0.087 R)
• M14: 9,229,291 km (0.109 R)
• M15: 9,658,039 km (0.08 R)
• M16: 10,190,158 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845

Radius: 9.6

Gravity: 9.17 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.67 AU - 3.65 AU

Year: 3746 Days

Day: 8.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,453,607 km

• M1: 125,064 km (0.102 R)
• M2: 505,641 km (0.059 R)
• M3: 873,951 km (0.059 R)
• M4: 1,613,563 km (0.077 R)
• M5: 2,047,696 km (0.091 R)
• M6: 3,647,046 km (0.037 R)
• M7: 4,641,274 km (0.114 R)
• M8: 5,096,500 km (0.076 R)
• M9: 5,892,511 km (0.118 R)
• M10: 6,643,342 km (0.113 R)
• M11: 7,222,436 km (0.091 R)
• M12: 7,940,206 km (0.119 R)
• M13: 8,704,651 km (0.094 R)
• M14: 9,047,081 km (0.09 R)
• M15: 9,718,326 km (0.088 R)
• M16: 10,593,025 km (0.101 R)
• M17: 11,701,545 km (0.053 R)
• M18: 12,119,073 km (0.044 R)
• M19: 12,983,898 km (0.108 R)
• M20: 13,381,230 km (0.111 R)
• M21: 17,391,201 km (0.12 R)
• M22: 19,057,572 km (0.101 R)
• M23: 19,635,917 km (0.103 R)
• M24: 21,787,733 km (0.113 R)
• M25: 24,241,138 km (0.116 R)
• M26: 26,001,756 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.4

Radius: 14

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 5.6 AU - 5.64 AU

Year: 8885 Days

Day: 14.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 39,453,607 km

• M1: 174,581 km (0.083 R)
• M2: 616,493 km (0.072 R)
• M3: 1,083,537 km (0.075 R)
• M4: 1,566,290 km (0.096 R)
• M5: 2,458,192 km (0.081 R)
• M6: 3,689,831 km (0.109 R)
• M7: 4,956,177 km (0.093 R)
• M8: 5,507,446 km (0.111 R)
• M9: 6,295,228 km (0.119 R)
• M10: 7,486,027 km (0.074 R)
• M11: 8,253,763 km (0.066 R)
• M12: 9,201,017 km (0.105 R)
• M13: 9,812,274 km (0.116 R)
• M14: 11,019,529 km (0.095 R)
• M15: 12,428,142 km (0.112 R)
• M16: 14,010,439 km (0.075 R)
• M17: 14,469,704 km (0.12 R)
• M18: 16,662,360 km (0.112 R)
• M19: 18,039,259 km (0.09 R)
• M20: 18,721,126 km (0.056 R)
• M21: 19,561,866 km (0.085 R)
• M22: 20,648,097 km (0.11 R)
• M23: 23,020,120 km (0.082 R)
• M24: 23,499,432 km (0.077 R)
• M25: 25,568,520 km (0.053 R)
• M26: 26,082,688 km (0.109 R)
• M27: 27,043,256 km (0.09 R)
• M28: 30,352,361 km (0.109 R)
• M29: 34,232,182 km (0.08 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 155.8

Radius: 4.6

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 5.18 AU - 7.52 AU

Year: 10671 Days

Day: 20.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,453,607 km

• M1: 57,446 km (0.096 R)
• M2: 551,119 km (0.112 R)
• M3: 719,566 km (0.076 R)
• M4: 1,639,742 km (0.102 R)
• M5: 2,726,421 km (0.069 R)
• M6: 4,726,994 km (0.047 R)
• M7: 10,075,267 km (0.067 R)
• M8: 15,092,780 km (0.078 R)
• M9: 16,565,870 km (0.031 R)
• M10: 21,773,820 km (0.088 R)
• M11: 24,745,283 km (0.114 R)
• M12: 28,496,749 km (0.088 R)
• M13: 29,736,915 km (0.03 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 94.4

Radius: 6

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 6.69 AU - 8.73 AU

Year: 14276 Days

Day: 23.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 147.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,453,607 km

• M1: 74,799 km (0.113 R)
• M2: 465,698 km (0.106 R)
• M3: 664,065 km (0.116 R)
• M4: 1,200,074 km (0.108 R)
• M5: 1,752,689 km (0.067 R)
• M6: 3,603,214 km (0.112 R)
• M7: 3,965,690 km (0.077 R)
• M8: 4,736,867 km (0.095 R)
• M9: 5,370,564 km (0.06 R)
• M10: 6,248,254 km (0.116 R)
• M11: 6,473,698 km (0.073 R)
• M12: 12,057,888 km (0.067 R)
• M13: 12,509,224 km (0.107 R)
• M14: 16,717,263 km (0.076 R)
• M15: 21,707,997 km (0.088 R)
• M16: 22,752,191 km (0.098 R)
• M17: 23,673,564 km (0.114 R)
• M18: 24,619,471 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 181.7

Radius: 5.4

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 7.65 AU - 8.81 AU

Year: 15745 Days

Day: 19.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,453,607 km

• M1: 80,184 km (0.108 R)
• M2: 334,950 km (0.096 R)
• M3: 725,250 km (0.097 R)
• M4: 1,576,313 km (0.112 R)
• M5: 2,852,083 km (0.041 R)
• M6: 4,756,165 km (0.105 R)
• M7: 5,175,787 km (0.079 R)
• M8: 6,020,267 km (0.066 R)
• M9: 6,619,855 km (0.056 R)
• M10: 7,855,235 km (0.099 R)
• M11: 13,267,835 km (0.086 R)
• M12: 15,599,617 km (0.114 R)
• M13: 22,264,651 km (0.082 R)
• M14: 28,522,779 km (0.114 R)
• M15: 32,789,609 km (0.036 R)
• M16: 36,769,810 km (0.097 R)
• M17: 37,579,284 km (0.042 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 112.5

Radius: 7.7

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 8.15 AU - 10.13 AU

Year: 18427 Days

Day: 17.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,453,607 km

• M1: 137,480 km (0.094 R)
• M2: 481,406 km (0.094 R)
• M3: 756,068 km (0.057 R)
• M4: 1,373,458 km (0.108 R)
• M5: 1,783,207 km (0.108 R)
• M6: 2,041,263 km (0.095 R)
• M7: 2,949,621 km (0.076 R)
• M8: 4,182,008 km (0.095 R)
• M9: 4,869,411 km (0.108 R)
• M10: 6,088,933 km (0.1 R)
• M11: 6,970,662 km (0.117 R)
• M12: 8,768,230 km (0.092 R)
• M13: 10,031,136 km (0.111 R)
• M14: 12,200,155 km (0.115 R)
• M15: 14,785,954 km (0.027 R)
• M16: 25,304,629 km (0.054 R)
• M17: 26,643,680 km (0.095 R)
• M18: 29,462,253 km (0.099 R)
• M19: 30,246,296 km (0.099 R)
• M20: 32,266,914 km (0.068 R)
• M21: 38,866,125 km (0.113 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 157 - 13,895 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit