🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.49 AU - 0.51 AU

Year: 232 Days

Day: 16.2 Hours

Environment

Temp: -113 °C

Axial Tilt: 28.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,219,607 km

• M1: 171,888 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.5

Radius: 10.8

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.63 AU - 0.73 AU

Year: 368 Days

Day: 8.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,219,607 km

• M1: 134,339 km (0.067 R)
• M2: 524,041 km (0.043 R)
• M3: 874,699 km (0.042 R)
• M4: 1,228,348 km (0.12 R)
• M5: 2,004,163 km (0.094 R)
• M6: 2,924,190 km (0.077 R)
• M7: 3,583,767 km (0.069 R)
• M8: 4,020,742 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.4

Radius: 11.2

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.99 AU - 1.03 AU

Year: 666 Days

Day: 13.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,219,607 km

• M1: 139,276 km (0.073 R)
• M2: 572,511 km (0.041 R)
• M3: 960,269 km (0.105 R)
• M4: 1,446,312 km (0.093 R)
• M5: 1,880,595 km (0.058 R)
• M6: 2,372,473 km (0.101 R)
• M7: 2,815,881 km (0.076 R)
• M8: 3,683,249 km (0.027 R)
• M9: 4,611,803 km (0.091 R)
• M10: 5,172,795 km (0.114 R)
• M11: 5,851,222 km (0.088 R)

Asteroid Belt

Center: 1.44 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.9

Radius: 14

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.55 AU - 2.17 AU

Year: 1664 Days

Day: 6.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,219,607 km

• M1: 190,288 km (0.108 R)
• M2: 625,768 km (0.098 R)
• M3: 1,235,529 km (0.101 R)
• M4: 1,702,873 km (0.051 R)
• M5: 2,389,826 km (0.1 R)
• M6: 3,242,683 km (0.118 R)
• M7: 3,913,181 km (0.08 R)
• M8: 4,514,714 km (0.104 R)
• M9: 5,553,223 km (0.082 R)
• M10: 6,227,610 km (0.073 R)
• M11: 7,894,130 km (0.081 R)
• M12: 8,831,361 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.7

Radius: 13

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.05 AU - 2.09 AU

Year: 1954 Days

Day: 12.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,219,607 km

• M1: 162,463 km (0.1 R)
• M2: 753,674 km (0.07 R)
• M3: 1,217,727 km (0.089 R)
• M4: 1,769,294 km (0.082 R)
• M5: 2,366,938 km (0.052 R)
• M6: 2,942,590 km (0.102 R)
• M7: 3,593,341 km (0.116 R)
• M8: 4,499,156 km (0.099 R)
• M9: 5,116,995 km (0.104 R)
• M10: 5,790,784 km (0.082 R)
• M11: 6,340,706 km (0.04 R)
• M12: 7,035,588 km (0.103 R)
• M13: 8,737,264 km (0.042 R)
• M14: 12,079,729 km (0.111 R)
• M15: 14,732,099 km (0.112 R)
• M16: 15,193,758 km (0.106 R)
• M17: 16,488,378 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.3

Radius: 13.9

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.19 AU - 3.45 AU

Year: 3107 Days

Day: 9.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,219,607 km

• M1: 172,935 km (0.084 R)
• M2: 685,906 km (0.107 R)
• M3: 1,152,352 km (0.049 R)
• M4: 1,715,439 km (0.109 R)
• M5: 2,334,475 km (0.075 R)
• M6: 3,151,279 km (0.076 R)
• M7: 3,928,141 km (0.099 R)
• M8: 4,558,546 km (0.086 R)
• M9: 5,838,057 km (0.099 R)
• M10: 6,864,897 km (0.07 R)
• M11: 7,719,549 km (0.118 R)
• M12: 8,781,993 km (0.099 R)
• M13: 11,652,627 km (0.086 R)
• M14: 12,381,468 km (0.11 R)
• M15: 12,824,277 km (0.08 R)
• M16: 13,741,761 km (0.077 R)
• M17: 16,973,973 km (0.074 R)
• M18: 17,687,704 km (0.028 R)
• M19: 19,708,921 km (0.075 R)
• M20: 20,313,745 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 795.5

Radius: 7.5

Gravity: 14.14 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 8.12 AU - 9.1 AU

Year: 16573 Days

Day: 15.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 77,219,607 km

• M1: 93,349 km (0.046 R)
• M2: 350,657 km (0.044 R)
• M3: 736,620 km (0.037 R)
• M4: 1,067,381 km (0.03 R)
• M5: 1,724,564 km (0.097 R)
• M6: 2,192,506 km (0.075 R)
• M7: 2,814,385 km (0.077 R)
• M8: 3,272,603 km (0.047 R)
• M9: 5,314,016 km (0.078 R)
• M10: 6,687,324 km (0.104 R)
• M11: 7,741,091 km (0.042 R)
• M12: 8,743,996 km (0.104 R)
• M13: 9,276,714 km (0.098 R)
• M14: 9,830,974 km (0.052 R)
• M15: 10,524,958 km (0.085 R)
• M16: 12,336,289 km (0.041 R)
• M17: 12,870,503 km (0.116 R)
• M18: 15,775,395 km (0.115 R)
• M19: 17,050,567 km (0.103 R)
• M20: 18,051,077 km (0.063 R)
• M21: 21,192,334 km (0.102 R)
• M22: 29,821,438 km (0.091 R)
• M23: 31,148,820 km (0.116 R)
• M24: 37,959,861 km (0.099 R)
• M25: 40,094,773 km (0.112 R)
• M26: 41,859,279 km (0.103 R)
• M27: 49,602,914 km (0.095 R)
• M28: 52,497,932 km (0.101 R)
• M29: 56,773,738 km (0.082 R)
• M30: 57,324,109 km (0.101 R)
• M31: 61,468,718 km (0.119 R)
• M32: 65,607,343 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 865.9

Radius: 6.1

Gravity: 23.27 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 8.89 AU - 9.43 AU

Year: 18187 Days

Day: 21.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 130.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 77,219,607 km

• M1: 75,846 km (0.099 R)
• M2: 283,039 km (0.063 R)
• M3: 1,899,594 km (0.112 R)
• M4: 3,299,082 km (0.096 R)
• M5: 4,376,037 km (0.081 R)
• M6: 4,758,409 km (0.116 R)
• M7: 7,390,584 km (0.057 R)
• M8: 8,448,390 km (0.097 R)
• M9: 9,096,299 km (0.07 R)
• M10: 10,674,556 km (0.074 R)
• M11: 11,048,551 km (0.054 R)
• M12: 13,842,441 km (0.025 R)
• M13: 14,972,353 km (0.096 R)
• M14: 16,081,173 km (0.098 R)
• M15: 18,461,424 km (0.115 R)
• M16: 22,355,307 km (0.085 R)
• M17: 22,762,214 km (0.058 R)
• M18: 23,906,787 km (0.105 R)
• M19: 25,861,582 km (0.088 R)
• M20: 27,569,990 km (0.032 R)
• M21: 27,920,498 km (0.115 R)
• M22: 32,751,163 km (0.097 R)
• M23: 35,569,736 km (0.086 R)
• M24: 39,721,825 km (0.086 R)
• M25: 47,451,697 km (0.113 R)
• M26: 47,955,093 km (0.105 R)
• M27: 52,289,542 km (0.107 R)
• M28: 53,006,415 km (0.109 R)
• M29: 53,729,870 km (0.071 R)
• M30: 57,256,191 km (0.111 R)
• M31: 58,209,130 km (0.099 R)
• M32: 59,366,569 km (0.034 R)
• M33: 63,742,157 km (0.106 R)
• M34: 64,354,910 km (0.118 R)
• M35: 66,635,529 km (0.084 R)
• M36: 68,541,256 km (0.104 R)
• M37: 70,919,264 km (0.116 R)
• M38: 71,797,553 km (0.092 R)
• M39: 75,382,965 km (0.079 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 149 - 13,623 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit