🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.2

Radius: 10

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.44 AU - 0.68 AU

Year: 279 Days

Day: 14.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,434,626 km

• M1: 124,316 km (0.075 R)
• M2: 472,729 km (0.108 R)
• M3: 893,249 km (0.105 R)
• M4: 1,763,161 km (0.092 R)
• M5: 2,076,718 km (0.092 R)
• M6: 2,791,347 km (0.115 R)
• M7: 3,784,078 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.5

Radius: 11

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.49 AU - 0.71 AU

Year: 310 Days

Day: 13 Hours

Environment

Temp: -140 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,434,626 km

• M1: 136,882 km (0.065 R)
• M2: 483,650 km (0.03 R)
• M3: 989,141 km (0.109 R)
• M4: 1,615,358 km (0.097 R)
• M5: 2,178,295 km (0.107 R)
• M6: 2,594,027 km (0.111 R)
• M7: 2,938,252 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488

Radius: 8.8

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.63 AU - 2.33 AU

Year: 1858 Days

Day: 13.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,434,626 km

• M1: 109,506 km (0.061 R)
• M2: 468,092 km (0.081 R)
• M3: 856,298 km (0.095 R)
• M4: 1,455,587 km (0.047 R)
• M5: 2,262,967 km (0.045 R)
• M6: 2,835,777 km (0.103 R)
• M7: 3,389,439 km (0.072 R)
• M8: 3,700,902 km (0.042 R)
• M9: 4,362,573 km (0.061 R)
• M10: 5,017,513 km (0.034 R)
• M11: 5,467,204 km (0.111 R)
• M12: 6,876,266 km (0.095 R)
• M13: 7,190,122 km (0.081 R)
• M14: 8,722,902 km (0.089 R)
• M15: 10,668,871 km (0.076 R)
• M16: 11,269,208 km (0.102 R)
• M17: 11,817,334 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.3

Radius: 12.8

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.38 AU - 5.22 AU

Year: 7013 Days

Day: 13.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,434,626 km

• M1: 159,322 km (0.107 R)
• M2: 593,455 km (0.107 R)
• M3: 1,021,454 km (0.104 R)
• M4: 1,721,124 km (0.086 R)
• M5: 2,147,777 km (0.114 R)
• M6: 2,703,682 km (0.108 R)
• M7: 3,198,851 km (0.106 R)
• M8: 3,878,175 km (0.115 R)
• M9: 5,719,875 km (0.104 R)
• M10: 6,329,636 km (0.058 R)
• M11: 7,840,873 km (0.095 R)
• M12: 9,304,539 km (0.119 R)
• M13: 10,491,897 km (0.083 R)
• M14: 11,724,434 km (0.058 R)
• M15: 12,880,227 km (0.084 R)
• M16: 13,339,941 km (0.054 R)
• M17: 17,632,503 km (0.09 R)
• M18: 22,190,301 km (0.089 R)
• M19: 22,768,497 km (0.072 R)
• M20: 24,041,575 km (0.12 R)
• M21: 26,544,197 km (0.047 R)
• M22: 28,434,815 km (0.119 R)
• M23: 31,852,678 km (0.044 R)
• M24: 32,907,792 km (0.116 R)
• M25: 34,976,730 km (0.055 R)
• M26: 35,760,324 km (0.113 R)
• M27: 38,893,053 km (0.047 R)
• M28: 39,613,367 km (0.06 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 611.1

Radius: 6.8

Gravity: 13.22 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.6 AU - 8.84 AU

Year: 12937 Days

Day: 18.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,434,626 km

• M1: 85,121 km (0.066 R)
• M2: 750,084 km (0.099 R)
• M3: 1,197,531 km (0.118 R)
• M4: 1,794,277 km (0.069 R)
• M5: 7,087,648 km (0.082 R)
• M6: 12,078,083 km (0.117 R)
• M7: 13,247,789 km (0.119 R)
• M8: 15,176,255 km (0.08 R)
• M9: 16,832,902 km (0.105 R)
• M10: 20,079,176 km (0.102 R)
• M11: 21,016,257 km (0.069 R)
• M12: 26,142,826 km (0.101 R)
• M13: 28,513,504 km (0.057 R)
• M14: 33,677,622 km (0.08 R)
• M15: 34,034,563 km (0.089 R)
• M16: 37,872,197 km (0.066 R)
• M17: 39,038,163 km (0.111 R)
• M18: 39,432,054 km (0.108 R)
• M19: 39,961,481 km (0.084 R)
• M20: 46,100,678 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 136

Radius: 4.7

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 7.72 AU - 7.74 AU

Year: 14332 Days

Day: 23.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,434,626 km

• M1: 60,438 km (0.097 R)
• M2: 245,341 km (0.113 R)
• M3: 441,463 km (0.076 R)
• M4: 1,007,093 km (0.118 R)
• M5: 1,167,611 km (0.112 R)
• M6: 1,646,025 km (0.095 R)
• M7: 2,228,859 km (0.077 R)
• M8: 3,227,873 km (0.101 R)
• M9: 4,414,932 km (0.065 R)
• M10: 5,311,772 km (0.12 R)
• M11: 8,805,630 km (0.094 R)
• M12: 9,101,983 km (0.086 R)
• M13: 9,317,554 km (0.038 R)
• M14: 9,894,254 km (0.071 R)
• M15: 11,514,698 km (0.094 R)
• M16: 12,975,521 km (0.102 R)
• M17: 18,364,335 km (0.054 R)
• M18: 19,768,311 km (0.106 R)
• M19: 20,867,108 km (0.052 R)
• M20: 24,241,737 km (0.082 R)
• M21: 24,656,272 km (0.035 R)
• M22: 25,159,968 km (0.101 R)

Asteroid Belt

Center: 8.74 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 9.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 333.1

Radius: 3.5

Gravity: 27.19 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 8 AU - 11.51 AU

Year: 20302 Days

Day: 24.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 60,434,626 km

• M1: 43,533 km (0.082 R)
• M2: 192,084 km (0.104 R)
• M3: 413,638 km (0.114 R)
• M4: 953,537 km (0.108 R)
• M5: 1,609,673 km (0.077 R)
• M6: 1,913,207 km (0.036 R)
• M7: 2,791,347 km (0.116 R)
• M8: 3,305,215 km (0.052 R)
• M9: 3,543,824 km (0.058 R)
• M10: 4,422,562 km (0.1 R)
• M11: 5,807,539 km (0.063 R)
• M12: 7,547,213 km (0.089 R)
• M13: 9,765,899 km (0.092 R)
• M14: 11,705,136 km (0.053 R)
• M15: 14,159,588 km (0.06 R)
• M16: 14,366,931 km (0.065 R)
• M17: 15,216,198 km (0.085 R)
• M18: 16,551,957 km (0.071 R)
• M19: 18,948,814 km (0.1 R)
• M20: 19,539,576 km (0.059 R)
• M21: 21,749,586 km (0.112 R)
• M22: 23,152,664 km (0.112 R)
• M23: 24,022,725 km (0.065 R)
• M24: 25,623,123 km (0.113 R)
• M25: 26,449,203 km (0.113 R)
• M26: 36,222,432 km (0.104 R)
• M27: 37,262,286 km (0.066 R)
• M28: 37,393,633 km (0.1 R)
• M29: 37,789,619 km (0.082 R)
• M30: 41,479,600 km (0.11 R)
• M31: 42,188,245 km (0.109 R)
• M32: 44,510,303 km (0.092 R)
• M33: 51,008,087 km (0.107 R)
• M34: 54,312,853 km (0.081 R)
• M35: 59,533,221 km (0.069 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 236 - 19,460 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit