🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.6

Radius: 13.9

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.67 AU - 0.73 AU

Year: 412 Days

Day: 5.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 42,493,270 km

• M1: 172,935 km (0.116 R)
• M2: 1,219,671 km (0.089 R)
• M3: 1,711,400 km (0.077 R)
• M4: 2,146,580 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.4

Radius: 10

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.94 AU - 1.46 AU

Year: 924 Days

Day: 9.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,493,270 km

• M1: 125,213 km (0.06 R)
• M2: 450,290 km (0.099 R)
• M3: 804,089 km (0.116 R)
• M4: 1,315,414 km (0.1 R)
• M5: 2,826,353 km (0.096 R)
• M6: 3,149,185 km (0.091 R)
• M7: 4,447,545 km (0.067 R)
• M8: 6,174,503 km (0.115 R)
• M9: 7,371,136 km (0.115 R)
• M10: 7,794,498 km (0.093 R)
• M11: 8,359,080 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.2

Radius: 13.3

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.02 AU - 1.42 AU

Year: 947 Days

Day: 8.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 42,493,270 km

• M1: 165,455 km (0.109 R)
• M2: 619,036 km (0.03 R)
• M3: 1,438,234 km (0.103 R)
• M4: 2,145,682 km (0.118 R)
• M5: 2,949,322 km (0.061 R)
• M6: 5,021,851 km (0.052 R)
• M7: 7,023,171 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.6

Radius: 13.3

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.65 AU - 4.25 AU

Year: 5518 Days

Day: 12.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 42,493,270 km

• M1: 166,502 km (0.109 R)
• M2: 598,990 km (0.1 R)
• M3: 1,140,983 km (0.084 R)
• M4: 1,641,537 km (0.081 R)
• M5: 2,775,041 km (0.036 R)
• M6: 3,287,712 km (0.081 R)
• M7: 3,747,726 km (0.081 R)
• M8: 4,225,841 km (0.063 R)
• M9: 4,771,723 km (0.03 R)
• M10: 6,495,390 km (0.113 R)
• M11: 7,046,509 km (0.098 R)
• M12: 8,521,843 km (0.112 R)
• M13: 9,014,917 km (0.117 R)
• M14: 9,701,871 km (0.108 R)
• M15: 10,562,806 km (0.06 R)
• M16: 12,489,328 km (0.074 R)
• M17: 14,351,373 km (0.052 R)
• M18: 14,815,276 km (0.11 R)
• M19: 16,771,567 km (0.104 R)
• M20: 18,483,565 km (0.094 R)
• M21: 22,022,452 km (0.076 R)
• M22: 23,428,822 km (0.105 R)
• M23: 23,991,609 km (0.098 R)
• M24: 25,564,780 km (0.033 R)
• M25: 26,506,499 km (0.098 R)
• M26: 28,550,006 km (0.081 R)
• M27: 30,505,848 km (0.079 R)
• M28: 31,467,912 km (0.116 R)
• M29: 34,166,807 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.8

Radius: 9.7

Gravity: 8.55 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.59 AU - 4.75 AU

Year: 5986 Days

Day: 10.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,493,270 km

• M1: 120,725 km (0.096 R)
• M2: 457,021 km (0.106 R)
• M3: 1,002,904 km (0.111 R)
• M4: 1,395,599 km (0.116 R)
• M5: 1,708,856 km (0.088 R)
• M6: 2,132,069 km (0.11 R)
• M7: 2,446,524 km (0.12 R)
• M8: 2,754,246 km (0.05 R)
• M9: 3,128,989 km (0.106 R)
• M10: 5,010,930 km (0.072 R)
• M11: 5,916,297 km (0.114 R)
• M12: 7,436,361 km (0.111 R)
• M13: 8,088,308 km (0.033 R)
• M14: 8,448,540 km (0.029 R)
• M15: 9,817,360 km (0.094 R)
• M16: 12,243,688 km (0.096 R)
• M17: 15,528,857 km (0.108 R)
• M18: 17,045,481 km (0.087 R)
• M19: 17,373,549 km (0.076 R)
• M20: 22,419,784 km (0.027 R)
• M21: 26,482,563 km (0.107 R)
• M22: 27,278,573 km (0.087 R)
• M23: 31,011,040 km (0.117 R)
• M24: 31,598,810 km (0.086 R)
• M25: 35,388,723 km (0.067 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 299.2

Radius: 7.6

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 5.74 AU - 7.98 AU

Year: 12630 Days

Day: 19.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 42,493,270 km

• M1: 94,546 km (0.091 R)
• M2: 492,775 km (0.05 R)
• M3: 789,278 km (0.105 R)
• M4: 1,086,380 km (0.115 R)
• M5: 1,445,115 km (0.067 R)
• M6: 2,089,134 km (0.08 R)
• M7: 2,911,025 km (0.086 R)
• M8: 3,372,385 km (0.086 R)
• M9: 4,035,851 km (0.119 R)
• M10: 5,113,255 km (0.099 R)
• M11: 10,346,787 km (0.11 R)
• M12: 11,900,211 km (0.077 R)
• M13: 12,173,527 km (0.11 R)
• M14: 12,506,980 km (0.098 R)
• M15: 13,484,902 km (0.107 R)
• M16: 14,512,938 km (0.114 R)
• M17: 18,853,820 km (0.076 R)
• M18: 21,398,180 km (0.063 R)
• M19: 26,502,011 km (0.085 R)
• M20: 28,207,277 km (0.114 R)
• M21: 28,498,394 km (0.091 R)
• M22: 30,085,179 km (0.081 R)
• M23: 31,209,706 km (0.059 R)
• M24: 32,045,061 km (0.1 R)
• M25: 33,325,768 km (0.053 R)
• M26: 33,869,257 km (0.08 R)
• M27: 34,198,223 km (0.099 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 354 - 15,913 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit