🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.4

Radius: 9.3

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.62 AU - 0.9 AU

Year: 421 Days

Day: 10.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,801,056 km

• M1: 115,789 km (0.118 R)
• M2: 412,441 km (0.109 R)
• M3: 813,513 km (0.089 R)
• M4: 1,395,299 km (0.091 R)
• M5: 1,949,559 km (0.093 R)
• M6: 2,269,400 km (0.028 R)
• M7: 2,595,224 km (0.118 R)
• M8: 2,952,464 km (0.117 R)
• M9: 3,616,977 km (0.103 R)
• M10: 4,253,367 km (0.118 R)
• M11: 4,962,461 km (0.098 R)
• M12: 5,257,916 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.8

Radius: 14.1

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.89 AU - 1.19 AU

Year: 674 Days

Day: 9.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 69,801,056 km

• M1: 175,478 km (0.054 R)
• M2: 793,318 km (0.106 R)
• M3: 1,391,859 km (0.12 R)
• M4: 1,943,426 km (0.107 R)
• M5: 2,589,390 km (0.076 R)
• M6: 3,224,732 km (0.113 R)
• M7: 3,849,004 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433

Radius: 10.8

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.72 AU - 1.86 AU

Year: 1523 Days

Day: 7.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,801,056 km

• M1: 134,339 km (0.075 R)
• M2: 507,137 km (0.117 R)
• M3: 865,424 km (0.08 R)
• M4: 1,270,385 km (0.108 R)
• M5: 1,929,962 km (0.093 R)
• M6: 2,871,232 km (0.098 R)
• M7: 3,927,094 km (0.116 R)
• M8: 4,462,504 km (0.084 R)
• M9: 6,481,328 km (0.079 R)
• M10: 7,458,651 km (0.116 R)
• M11: 8,364,316 km (0.09 R)
• M12: 8,843,927 km (0.03 R)
• M13: 9,612,860 km (0.103 R)
• M14: 10,045,048 km (0.091 R)
• M15: 11,351,786 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.6

Radius: 10.3

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.12 AU - 2.34 AU

Year: 2117 Days

Day: 10.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,801,056 km

• M1: 128,056 km (0.119 R)
• M2: 473,776 km (0.091 R)
• M3: 967,898 km (0.078 R)
• M4: 1,355,207 km (0.087 R)
• M5: 1,901,688 km (0.107 R)
• M6: 2,604,200 km (0.058 R)
• M7: 3,662,605 km (0.114 R)
• M8: 4,066,519 km (0.039 R)
• M9: 4,479,708 km (0.11 R)
• M10: 5,030,079 km (0.083 R)
• M11: 5,866,032 km (0.107 R)
• M12: 6,711,409 km (0.104 R)
• M13: 7,519,537 km (0.08 R)
• M14: 7,932,277 km (0.117 R)
• M15: 10,661,391 km (0.082 R)
• M16: 11,032,245 km (0.103 R)
• M17: 12,726,141 km (0.095 R)
• M18: 13,101,632 km (0.112 R)
• M19: 13,613,705 km (0.106 R)
• M20: 14,183,374 km (0.094 R)
• M21: 15,323,759 km (0.1 R)
• M22: 15,701,194 km (0.111 R)
• M23: 16,573,350 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.5

Radius: 14.8

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 3.73 AU - 3.77 AU

Year: 4617 Days

Day: 13 Hours

Environment

Temp: -215 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,801,056 km

• M1: 185,053 km (0.058 R)
• M2: 655,239 km (0.073 R)
• M3: 1,530,386 km (0.059 R)
• M4: 2,943,039 km (0.098 R)
• M5: 3,998,601 km (0.098 R)
• M6: 4,467,142 km (0.109 R)
• M7: 5,404,373 km (0.101 R)
• M8: 6,627,485 km (0.077 R)
• M9: 9,093,157 km (0.08 R)
• M10: 10,864,545 km (0.078 R)
• M11: 12,856,591 km (0.1 R)
• M12: 13,364,775 km (0.114 R)
• M13: 15,137,809 km (0.054 R)
• M14: 15,704,934 km (0.106 R)
• M15: 17,063,283 km (0.057 R)
• M16: 17,927,659 km (0.059 R)
• M17: 20,080,821 km (0.118 R)
• M18: 21,184,704 km (0.101 R)
• M19: 23,438,097 km (0.105 R)
• M20: 26,822,749 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.5

Radius: 8.2

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.37 AU - 4.75 AU

Year: 5201 Days

Day: 8.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 69,801,056 km

• M1: 104,719 km (0.044 R)
• M2: 934,388 km (0.091 R)
• M3: 1,195,586 km (0.086 R)
• M4: 1,700,030 km (0.062 R)
• M5: 2,215,694 km (0.066 R)
• M6: 3,435,814 km (0.106 R)
• M7: 6,117,057 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.7

Radius: 13.9

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 4.42 AU - 6.32 AU

Year: 7912 Days

Day: 5.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 69,801,056 km

• M1: 172,935 km (0.062 R)
• M2: 633,098 km (0.075 R)
• M3: 1,160,431 km (0.04 R)
• M4: 1,596,957 km (0.114 R)
• M5: 2,029,445 km (0.111 R)
• M6: 2,592,531 km (0.091 R)
• M7: 3,121,060 km (0.114 R)
• M8: 4,324,575 km (0.078 R)
• M9: 5,323,590 km (0.108 R)
• M10: 5,999,623 km (0.073 R)
• M11: 7,961,748 km (0.112 R)
• M12: 9,377,094 km (0.057 R)
• M13: 10,634,464 km (0.081 R)
• M14: 11,565,262 km (0.093 R)
• M15: 12,348,407 km (0.09 R)
• M16: 14,020,911 km (0.116 R)
• M17: 14,798,221 km (0.12 R)
• M18: 15,370,882 km (0.082 R)
• M19: 18,328,881 km (0.094 R)
• M20: 20,996,809 km (0.1 R)
• M21: 21,941,071 km (0.056 R)
• M22: 24,070,746 km (0.109 R)
• M23: 24,944,099 km (0.101 R)
• M24: 26,838,157 km (0.108 R)
• M25: 31,190,408 km (0.047 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 455.9

Radius: 6.8

Gravity: 9.86 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 8.47 AU - 12.47 AU

Year: 21540 Days

Day: 17.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 69,801,056 km

• M1: 84,523 km (0.059 R)
• M2: 315,203 km (0.109 R)
• M3: 609,462 km (0.087 R)
• M4: 1,213,538 km (0.05 R)
• M5: 1,732,643 km (0.077 R)
• M6: 1,948,213 km (0.091 R)
• M7: 2,499,930 km (0.091 R)
• M8: 3,940,258 km (0.066 R)
• M9: 5,744,409 km (0.097 R)
• M10: 6,269,497 km (0.085 R)
• M11: 7,415,566 km (0.103 R)
• M12: 7,698,606 km (0.045 R)
• M13: 8,438,217 km (0.114 R)
• M14: 8,904,065 km (0.108 R)
• M15: 9,170,349 km (0.045 R)
• M16: 10,172,805 km (0.094 R)
• M17: 10,405,130 km (0.116 R)
• M18: 11,123,499 km (0.058 R)
• M19: 11,938,508 km (0.114 R)
• M20: 12,262,388 km (0.118 R)
• M21: 13,063,634 km (0.084 R)
• M22: 14,622,444 km (0.117 R)
• M23: 14,993,297 km (0.089 R)
• M24: 16,780,543 km (0.069 R)
• M25: 22,394,801 km (0.083 R)
• M26: 26,542,253 km (0.047 R)
• M27: 27,766,562 km (0.086 R)
• M28: 29,144,657 km (0.032 R)
• M29: 33,041,532 km (0.082 R)
• M30: 33,423,755 km (0.082 R)
• M31: 40,526,662 km (0.057 R)
• M32: 40,964,684 km (0.1 R)
• M33: 41,850,154 km (0.119 R)
• M34: 47,594,413 km (0.086 R)
• M35: 49,898,220 km (0.098 R)
• M36: 51,247,443 km (0.091 R)
• M37: 54,371,944 km (0.094 R)
• M38: 55,800,455 km (0.06 R)
• M39: 62,734,017 km (0.093 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: 294 - 17,121 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit