🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.9

Radius: 9

Gravity: 12.11 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.56 AU - 0.62 AU

Year: 302 Days

Day: 5 Hours

Environment

Temp: -141 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,201,994 km

• M1: 112,049 km (0.1 R)
• M2: 468,092 km (0.11 R)
• M3: 792,420 km (0.049 R)
• M4: 1,225,506 km (0.103 R)
• M5: 1,804,450 km (0.111 R)
• M6: 2,091,229 km (0.089 R)
• M7: 2,444,728 km (0.11 R)
• M8: 3,077,079 km (0.085 R)
• M9: 3,826,714 km (0.055 R)
• M10: 4,185,150 km (0.084 R)
• M11: 4,678,973 km (0.065 R)
• M12: 5,180,574 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.7

Radius: 11.6

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.41 AU - 2.13 AU

Year: 1570 Days

Day: 14.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,201,994 km

• M1: 144,512 km (0.072 R)
• M2: 664,364 km (0.062 R)
• M3: 1,029,383 km (0.079 R)
• M4: 1,580,651 km (0.088 R)
• M5: 2,311,138 km (0.12 R)
• M6: 3,745,781 km (0.096 R)
• M7: 5,002,702 km (0.094 R)
• M8: 5,705,214 km (0.028 R)
• M9: 7,416,015 km (0.053 R)
• M10: 9,317,554 km (0.084 R)
• M11: 10,141,988 km (0.057 R)
• M12: 11,158,505 km (0.107 R)
• M13: 11,747,771 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.3

Radius: 10.4

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.93 AU - 2.39 AU

Year: 2117 Days

Day: 5.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,201,994 km

• M1: 130,001 km (0.096 R)
• M2: 598,242 km (0.06 R)
• M3: 988,543 km (0.027 R)
• M4: 1,609,972 km (0.084 R)
• M5: 2,343,151 km (0.102 R)
• M6: 2,713,705 km (0.115 R)
• M7: 3,368,794 km (0.095 R)
• M8: 4,262,791 km (0.113 R)
• M9: 4,840,688 km (0.101 R)
• M10: 5,780,462 km (0.109 R)
• M11: 7,311,895 km (0.069 R)
• M12: 8,770,774 km (0.115 R)
• M13: 9,264,147 km (0.073 R)
• M14: 10,560,562 km (0.061 R)
• M15: 11,043,614 km (0.099 R)
• M16: 13,295,361 km (0.055 R)
• M17: 13,683,867 km (0.058 R)
• M18: 14,168,863 km (0.116 R)
• M19: 15,033,838 km (0.065 R)
• M20: 15,933,520 km (0.117 R)
• M21: 16,768,575 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.8

Radius: 10.3

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.26 AU - 4.24 AU

Year: 4843 Days

Day: 6.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,201,994 km

• M1: 128,505 km (0.074 R)
• M2: 591,510 km (0.096 R)
• M3: 1,321,548 km (0.056 R)
• M4: 2,118,605 km (0.111 R)
• M5: 2,969,069 km (0.112 R)
• M6: 4,542,240 km (0.117 R)
• M7: 5,359,942 km (0.066 R)
• M8: 5,861,394 km (0.086 R)
• M9: 6,183,030 km (0.075 R)
• M10: 8,079,631 km (0.1 R)
• M11: 8,702,407 km (0.051 R)
• M12: 9,635,449 km (0.112 R)
• M13: 11,114,224 km (0.086 R)
• M14: 12,354,241 km (0.098 R)
• M15: 13,081,735 km (0.114 R)
• M16: 13,940,577 km (0.092 R)
• M17: 14,357,506 km (0.041 R)
• M18: 15,216,347 km (0.075 R)
• M19: 15,939,204 km (0.099 R)
• M20: 16,452,923 km (0.059 R)
• M21: 18,681,632 km (0.109 R)
• M22: 22,355,756 km (0.093 R)
• M23: 23,803,265 km (0.115 R)
• M24: 25,082,177 km (0.092 R)
• M25: 26,406,119 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.3

Radius: 10.4

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 3.45 AU - 4.37 AU

Year: 5156 Days

Day: 8.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 67,201,994 km

• M1: 129,402 km (0.094 R)
• M2: 455,077 km (0.053 R)
• M3: 879,785 km (0.073 R)
• M4: 1,208,003 km (0.071 R)
• M5: 1,570,030 km (0.101 R)
• M6: 1,903,334 km (0.048 R)
• M7: 2,866,146 km (0.077 R)
• M8: 3,434,917 km (0.117 R)
• M9: 3,862,767 km (0.03 R)
• M10: 4,300,490 km (0.097 R)
• M11: 5,305,339 km (0.108 R)
• M12: 6,360,453 km (0.028 R)
• M13: 6,972,906 km (0.085 R)
• M14: 7,476,154 km (0.094 R)
• M15: 9,473,734 km (0.113 R)
• M16: 12,994,819 km (0.108 R)
• M17: 13,482,059 km (0.082 R)
• M18: 14,724,170 km (0.046 R)
• M19: 17,047,276 km (0.084 R)
• M20: 17,435,183 km (0.117 R)
• M21: 19,887,691 km (0.075 R)
• M22: 20,827,315 km (0.076 R)
• M23: 21,947,803 km (0.106 R)
• M24: 25,215,619 km (0.102 R)
• M25: 30,562,097 km (0.091 R)
• M26: 32,499,988 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.6

Radius: 10

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.42 AU - 4.66 AU

Year: 5415 Days

Day: 12.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 67,201,994 km

• M1: 125,513 km (0.116 R)
• M2: 660,774 km (0.114 R)
• M3: 998,416 km (0.101 R)
• M4: 1,325,587 km (0.109 R)
• M5: 1,815,071 km (0.111 R)
• M6: 2,438,296 km (0.081 R)
• M7: 3,083,511 km (0.114 R)
• M8: 4,513,368 km (0.084 R)
• M9: 5,978,081 km (0.114 R)
• M10: 8,133,786 km (0.115 R)
• M11: 8,468,436 km (0.114 R)
• M12: 10,586,293 km (0.033 R)
• M13: 11,767,967 km (0.092 R)
• M14: 12,984,946 km (0.083 R)
• M15: 13,443,014 km (0.113 R)
• M16: 15,159,500 km (0.098 R)
• M17: 15,496,993 km (0.06 R)
• M18: 17,689,948 km (0.079 R)
• M19: 19,087,791 km (0.109 R)
• M20: 20,695,220 km (0.035 R)
• M21: 21,180,515 km (0.069 R)
• M22: 22,102,038 km (0.066 R)
• M23: 22,682,328 km (0.076 R)
• M24: 23,571,688 km (0.102 R)
• M25: 24,484,085 km (0.106 R)
• M26: 25,340,982 km (0.107 R)
• M27: 27,032,335 km (0.029 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 164

Radius: 4.7

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 6.16 AU - 6.42 AU

Year: 10520 Days

Day: 18.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,201,994 km

• M1: 58,792 km (0.111 R)
• M2: 282,740 km (0.053 R)
• M3: 527,183 km (0.067 R)
• M4: 1,142,778 km (0.114 R)
• M5: 1,504,057 km (0.065 R)
• M6: 1,665,922 km (0.108 R)
• M7: 3,673,525 km (0.116 R)
• M8: 3,992,318 km (0.117 R)
• M9: 4,685,106 km (0.105 R)
• M10: 5,900,140 km (0.072 R)
• M11: 6,369,279 km (0.084 R)
• M12: 6,596,518 km (0.1 R)
• M13: 11,384,697 km (0.08 R)
• M14: 12,662,113 km (0.101 R)
• M15: 13,177,927 km (0.097 R)
• M16: 13,707,503 km (0.071 R)
• M17: 13,923,373 km (0.073 R)
• M18: 14,086,584 km (0.114 R)
• M19: 14,528,496 km (0.095 R)
• M20: 15,150,973 km (0.056 R)
• M21: 20,014,849 km (0.092 R)
• M22: 23,366,888 km (0.064 R)
• M23: 24,934,225 km (0.097 R)
• M24: 30,786,045 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 523.5

Radius: 4.5

Gravity: 25.85 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 5.51 AU - 9.17 AU

Year: 13261 Days

Day: 21.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 67,201,994 km

• M1: 58,194 km (0.104 R)
• M2: 329,564 km (0.041 R)
• M3: 674,088 km (0.046 R)
• M4: 881,580 km (0.062 R)
• M5: 1,385,127 km (0.108 R)
• M6: 2,282,864 km (0.114 R)
• M7: 2,955,456 km (0.096 R)
• M8: 3,751,316 km (0.094 R)
• M9: 6,426,126 km (0.04 R)
• M10: 7,442,943 km (0.074 R)
• M11: 7,615,130 km (0.053 R)
• M12: 7,967,283 km (0.073 R)
• M13: 9,893,206 km (0.118 R)
• M14: 12,710,284 km (0.056 R)
• M15: 13,143,071 km (0.077 R)
• M16: 13,331,564 km (0.096 R)
• M17: 13,778,263 km (0.037 R)
• M18: 14,367,230 km (0.041 R)
• M19: 17,490,085 km (0.114 R)
• M20: 20,443,297 km (0.066 R)
• M21: 21,294,958 km (0.073 R)
• M22: 22,081,543 km (0.081 R)
• M23: 23,805,360 km (0.077 R)
• M24: 26,108,269 km (0.099 R)
• M25: 28,871,791 km (0.066 R)
• M26: 30,929,360 km (0.077 R)
• M27: 31,151,363 km (0.12 R)
• M28: 33,665,355 km (0.109 R)
• M29: 35,942,534 km (0.1 R)
• M30: 38,320,243 km (0.025 R)
• M31: 38,705,008 km (0.08 R)
• M32: 42,012,318 km (0.093 R)
• M33: 42,284,736 km (0.113 R)
• M34: 44,225,020 km (0.072 R)
• M35: 48,431,114 km (0.111 R)
• M36: 52,579,762 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 642.6

Radius: 6

Gravity: 17.85 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 8.69 AU - 9.93 AU

Year: 18943 Days

Day: 16.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 67,201,994 km

• M1: 74,649 km (0.039 R)
• M2: 271,520 km (0.066 R)
• M3: 838,795 km (0.107 R)
• M4: 1,117,047 km (0.079 R)
• M5: 1,824,795 km (0.119 R)
• M6: 4,877,190 km (0.069 R)
• M7: 5,241,012 km (0.111 R)
• M8: 6,229,405 km (0.115 R)
• M9: 7,765,625 km (0.072 R)
• M10: 9,876,751 km (0.115 R)
• M11: 11,500,785 km (0.034 R)
• M12: 14,148,967 km (0.065 R)
• M13: 27,535,283 km (0.113 R)
• M14: 27,877,114 km (0.109 R)
• M15: 28,106,598 km (0.11 R)
• M16: 28,685,691 km (0.06 R)
• M17: 29,037,096 km (0.097 R)
• M18: 30,349,668 km (0.03 R)
• M19: 31,452,803 km (0.105 R)
• M20: 31,826,349 km (0.068 R)
• M21: 46,039,194 km (0.116 R)
• M22: 51,007,189 km (0.12 R)
• M23: 53,797,489 km (0.114 R)
• M24: 55,049,623 km (0.036 R)
• M25: 59,300,297 km (0.096 R)
• M26: 59,870,414 km (0.119 R)
• M27: 63,566,080 km (0.09 R)
• M28: 66,384,504 km (0.11 R)
• M29: 68,447,907 km (0.099 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 325.1

Radius: 5.4

Gravity: 11.15 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 10.29 AU - 11.57 AU

Year: 24097 Days

Day: 19.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 100.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 67,201,994 km

• M1: 67,618 km (0.083 R)
• M2: 289,173 km (0.114 R)
• M3: 564,882 km (0.097 R)
• M4: 938,427 km (0.109 R)
• M5: 1,990,699 km (0.071 R)
• M6: 2,501,725 km (0.107 R)
• M7: 3,173,420 km (0.041 R)
• M8: 4,267,878 km (0.066 R)
• M9: 4,970,389 km (0.08 R)
• M10: 6,023,109 km (0.097 R)
• M11: 7,307,706 km (0.109 R)
• M12: 7,869,147 km (0.061 R)
• M13: 9,949,306 km (0.063 R)
• M14: 11,793,997 km (0.119 R)
• M15: 13,785,294 km (0.087 R)
• M16: 17,501,604 km (0.102 R)
• M17: 18,504,060 km (0.076 R)
• M18: 25,229,681 km (0.064 R)
• M19: 25,863,078 km (0.08 R)
• M20: 29,888,159 km (0.118 R)
• M21: 31,681,687 km (0.111 R)
• M22: 33,041,682 km (0.118 R)
• M23: 35,088,779 km (0.036 R)
• M24: 36,812,894 km (0.093 R)
• M25: 37,083,218 km (0.109 R)
• M26: 46,601,981 km (0.046 R)
• M27: 47,875,358 km (0.109 R)
• M28: 50,159,268 km (0.116 R)
• M29: 53,546,613 km (0.118 R)
• M30: 59,835,708 km (0.119 R)
• M31: 60,209,253 km (0.104 R)
• M32: 66,799,937 km (0.082 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 259 - 12,163 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit