🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.8

Radius: 12.5

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.5 AU - 0.56 AU

Year: 271 Days

Day: 12.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 73,486,967 km

• M1: 155,432 km (0.083 R)
• M2: 587,022 km (0.07 R)
• M3: 1,032,225 km (0.111 R)
• M4: 1,491,491 km (0.114 R)
• M5: 1,914,254 km (0.11 R)
• M6: 2,381,299 km (0.115 R)
• M7: 2,840,714 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.3

Radius: 12.7

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.36 AU - 1.98 AU

Year: 1517 Days

Day: 10.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,486,967 km

• M1: 157,975 km (0.109 R)
• M2: 953,088 km (0.107 R)
• M3: 1,673,851 km (0.066 R)
• M4: 2,422,588 km (0.109 R)
• M5: 2,841,462 km (0.085 R)
• M6: 3,308,955 km (0.101 R)
• M7: 3,713,468 km (0.058 R)
• M8: 4,203,850 km (0.066 R)
• M9: 5,763,707 km (0.108 R)
• M10: 6,566,599 km (0.089 R)
• M11: 7,313,092 km (0.075 R)
• M12: 8,480,703 km (0.115 R)
• M13: 9,990,595 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.4

Radius: 11.1

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.3 AU - 3.44 AU

Year: 3418 Days

Day: 5.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,486,967 km

• M1: 139,724 km (0.065 R)
• M2: 626,815 km (0.056 R)
• M3: 1,146,967 km (0.111 R)
• M4: 2,257,282 km (0.089 R)
• M5: 3,054,639 km (0.076 R)
• M6: 6,347,288 km (0.089 R)
• M7: 7,224,680 km (0.04 R)
• M8: 12,865,118 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.3

Radius: 10.8

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.39 AU - 4.15 AU

Year: 5145 Days

Day: 5.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,486,967 km

• M1: 134,339 km (0.093 R)
• M2: 575,204 km (0.047 R)
• M3: 918,681 km (0.119 R)
• M4: 1,616,405 km (0.088 R)
• M5: 1,993,691 km (0.098 R)
• M6: 3,300,877 km (0.088 R)
• M7: 4,753,772 km (0.077 R)
• M8: 5,992,891 km (0.04 R)
• M9: 7,104,253 km (0.098 R)
• M10: 7,537,638 km (0.116 R)
• M11: 9,332,364 km (0.085 R)
• M12: 9,771,583 km (0.09 R)
• M13: 10,777,928 km (0.057 R)
• M14: 11,396,067 km (0.105 R)
• M15: 11,851,891 km (0.117 R)
• M16: 12,225,288 km (0.092 R)
• M17: 13,193,485 km (0.045 R)
• M18: 15,780,780 km (0.072 R)
• M19: 16,752,418 km (0.077 R)
• M20: 17,402,122 km (0.067 R)
• M21: 21,382,772 km (0.029 R)
• M22: 25,082,177 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.9

Radius: 8.9

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 3.71 AU - 5.65 AU

Year: 7117 Days

Day: 9.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 73,486,967 km

• M1: 115,490 km (0.072 R)
• M2: 405,111 km (0.086 R)
• M3: 759,060 km (0.097 R)
• M4: 1,199,476 km (0.11 R)
• M5: 1,566,888 km (0.116 R)
• M6: 2,599,861 km (0.119 R)
• M7: 3,382,857 km (0.103 R)
• M8: 4,788,927 km (0.105 R)
• M9: 6,422,237 km (0.118 R)
• M10: 7,592,541 km (0.056 R)
• M11: 9,057,403 km (0.064 R)
• M12: 9,709,799 km (0.12 R)
• M13: 10,090,376 km (0.088 R)
• M14: 10,836,421 km (0.073 R)
• M15: 11,431,222 km (0.063 R)
• M16: 13,450,793 km (0.105 R)
• M17: 14,030,635 km (0.117 R)
• M18: 14,408,369 km (0.088 R)
• M19: 15,870,838 km (0.054 R)
• M20: 18,761,368 km (0.083 R)
• M21: 21,554,660 km (0.11 R)
• M22: 22,642,386 km (0.054 R)
• M23: 23,162,388 km (0.092 R)
• M24: 25,084,571 km (0.115 R)
• M25: 25,801,743 km (0.117 R)
• M26: 26,861,943 km (0.098 R)
• M27: 27,781,372 km (0.059 R)
• M28: 28,206,230 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.2

Radius: 14.6

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 4.54 AU - 5.66 AU

Year: 8096 Days

Day: 9.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,486,967 km

• M1: 192,233 km (0.075 R)
• M2: 795,711 km (0.109 R)
• M3: 1,709,156 km (0.094 R)
• M4: 2,247,110 km (0.116 R)
• M5: 2,748,861 km (0.076 R)
• M6: 3,420,107 km (0.084 R)
• M7: 4,847,121 km (0.108 R)
• M8: 6,344,595 km (0.1 R)
• M9: 7,393,725 km (0.062 R)
• M10: 9,068,174 km (0.05 R)
• M11: 10,646,880 km (0.085 R)
• M12: 11,414,467 km (0.056 R)
• M13: 12,264,333 km (0.107 R)
• M14: 13,593,510 km (0.112 R)
• M15: 20,394,827 km (0.047 R)
• M16: 22,325,986 km (0.034 R)
• M17: 23,870,435 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.2

Radius: 8.8

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 5.18 AU - 5.58 AU

Year: 8772 Days

Day: 9.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,486,967 km

• M1: 114,891 km (0.071 R)
• M2: 447,447 km (0.084 R)
• M3: 1,087,427 km (0.093 R)
• M4: 1,634,506 km (0.112 R)
• M5: 2,019,571 km (0.041 R)
• M6: 2,610,184 km (0.033 R)
• M7: 3,292,200 km (0.106 R)
• M8: 4,294,207 km (0.076 R)
• M9: 5,006,742 km (0.115 R)
• M10: 8,075,443 km (0.087 R)
• M11: 9,714,886 km (0.109 R)
• M12: 11,474,306 km (0.1 R)
• M13: 18,822,703 km (0.052 R)
• M14: 22,235,629 km (0.108 R)
• M15: 23,975,901 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 896.2

Radius: 5.1

Gravity: 34.46 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 8.16 AU - 8.3 AU

Year: 16596 Days

Day: 15.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 73,486,967 km

• M1: 63,429 km (0.098 R)
• M2: 477,516 km (0.104 R)
• M3: 866,770 km (0.081 R)
• M4: 1,040,902 km (0.097 R)
• M5: 1,492,688 km (0.026 R)
• M6: 2,272,092 km (0.118 R)
• M7: 2,492,001 km (0.08 R)
• M8: 3,722,593 km (0.101 R)
• M9: 5,779,714 km (0.035 R)
• M10: 6,533,537 km (0.117 R)
• M11: 7,025,415 km (0.062 R)
• M12: 7,398,213 km (0.093 R)
• M13: 9,407,612 km (0.099 R)
• M14: 14,762,916 km (0.118 R)
• M15: 16,161,956 km (0.093 R)
• M16: 16,811,210 km (0.093 R)
• M17: 17,903,125 km (0.052 R)
• M18: 20,790,962 km (0.068 R)
• M19: 24,818,436 km (0.03 R)
• M20: 26,453,691 km (0.077 R)
• M21: 27,014,383 km (0.073 R)
• M22: 27,468,563 km (0.071 R)
• M23: 28,275,793 km (0.091 R)
• M24: 31,788,351 km (0.069 R)
• M25: 44,521,074 km (0.108 R)
• M26: 44,837,175 km (0.095 R)
• M27: 45,955,119 km (0.108 R)
• M28: 47,419,533 km (0.074 R)
• M29: 49,251,509 km (0.107 R)
• M30: 50,441,410 km (0.116 R)
• M31: 50,957,224 km (0.104 R)
• M32: 54,666,802 km (0.119 R)
• M33: 54,847,815 km (0.08 R)
• M34: 55,029,278 km (0.086 R)
• M35: 56,126,129 km (0.117 R)
• M36: 58,552,457 km (0.114 R)
• M37: 59,695,534 km (0.096 R)
• M38: 63,613,203 km (0.101 R)
• M39: 72,391,158 km (0.096 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: 551 - 18,756 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit