🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.4

Radius: 8.3

Gravity: 9.7 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.77 AU - 1.03 AU

Year: 589 Days

Day: 5.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,923,672 km

• M1: 103,223 km (0.108 R)
• M2: 399,726 km (0.088 R)
• M3: 711,936 km (0.069 R)
• M4: 1,369,718 km (0.117 R)
• M5: 1,778,270 km (0.054 R)
• M6: 2,506,213 km (0.088 R)
• M7: 2,841,312 km (0.085 R)
• M8: 3,602,167 km (0.107 R)
• M9: 3,973,319 km (0.108 R)
• M10: 4,264,587 km (0.08 R)
• M11: 4,523,391 km (0.117 R)
• M12: 5,242,358 km (0.084 R)
• M13: 6,073,225 km (0.076 R)
• M14: 6,620,454 km (0.069 R)
• M15: 7,094,081 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.3

Radius: 13.9

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.34 AU - 1.76 AU

Year: 1332 Days

Day: 14.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,923,672 km

• M1: 172,935 km (0.118 R)
• M2: 956,678 km (0.069 R)
• M3: 1,564,195 km (0.044 R)
• M4: 2,208,214 km (0.12 R)
• M5: 4,238,257 km (0.077 R)
• M6: 4,799,399 km (0.089 R)
• M7: 5,372,508 km (0.08 R)
• M8: 6,831,237 km (0.057 R)
• M9: 7,724,486 km (0.099 R)
• M10: 8,362,371 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328

Radius: 13.8

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.92 AU - 2.78 AU

Year: 2487 Days

Day: 13.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,923,672 km

• M1: 171,589 km (0.052 R)
• M2: 1,226,852 km (0.114 R)
• M3: 2,185,326 km (0.084 R)
• M4: 2,871,681 km (0.102 R)
• M5: 3,353,386 km (0.097 R)
• M6: 6,889,132 km (0.047 R)
• M7: 7,564,117 km (0.096 R)
• M8: 8,827,920 km (0.105 R)
• M9: 9,364,827 km (0.11 R)
• M10: 9,856,705 km (0.093 R)
• M11: 10,400,343 km (0.038 R)
• M12: 11,253,201 km (0.103 R)
• M13: 14,009,093 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.2

Radius: 8

Gravity: 13.49 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.08 AU - 2.8 AU

Year: 2631 Days

Day: 11.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,923,672 km

• M1: 99,483 km (0.098 R)
• M2: 559,047 km (0.067 R)
• M3: 853,007 km (0.1 R)
• M4: 1,568,384 km (0.074 R)
• M5: 1,877,304 km (0.08 R)
• M6: 2,254,290 km (0.098 R)
• M7: 2,728,366 km (0.108 R)
• M8: 3,285,169 km (0.106 R)
• M9: 3,638,819 km (0.088 R)
• M10: 4,100,777 km (0.047 R)
• M11: 6,237,633 km (0.113 R)
• M12: 7,419,007 km (0.109 R)
• M13: 8,812,811 km (0.097 R)
• M14: 13,092,955 km (0.058 R)
• M15: 13,651,105 km (0.085 R)
• M16: 14,616,310 km (0.113 R)
• M17: 16,520,990 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.3

Radius: 13.4

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.19 AU - 4.69 AU

Year: 5398 Days

Day: 8.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,923,672 km

• M1: 239,955 km (0.07 R)
• M2: 676,781 km (0.108 R)
• M3: 1,301,801 km (0.117 R)
• M4: 1,768,247 km (0.051 R)
• M5: 2,222,127 km (0.08 R)
• M6: 3,189,277 km (0.115 R)
• M7: 4,320,985 km (0.107 R)
• M8: 4,858,939 km (0.101 R)
• M9: 5,855,261 km (0.076 R)
• M10: 6,322,156 km (0.111 R)
• M11: 6,881,502 km (0.104 R)
• M12: 8,024,131 km (0.07 R)
• M13: 8,523,189 km (0.098 R)
• M14: 9,002,052 km (0.042 R)
• M15: 10,457,639 km (0.107 R)
• M16: 11,053,787 km (0.118 R)
• M17: 13,347,720 km (0.034 R)
• M18: 16,920,118 km (0.078 R)
• M19: 17,614,551 km (0.112 R)
• M20: 20,655,427 km (0.068 R)
• M21: 21,816,306 km (0.111 R)
• M22: 23,327,993 km (0.092 R)
• M23: 28,018,634 km (0.12 R)
• M24: 30,723,962 km (0.102 R)
• M25: 31,285,104 km (0.034 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 406.1

Radius: 6.7

Gravity: 9.05 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 4.84 AU - 7.5 AU

Year: 10579 Days

Day: 22.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 59,923,672 km

• M1: 83,326 km (0.051 R)
• M2: 299,345 km (0.106 R)
• M3: 617,839 km (0.11 R)
• M4: 1,059,303 km (0.111 R)
• M5: 1,374,954 km (0.102 R)
• M6: 1,841,699 km (0.074 R)
• M7: 2,674,212 km (0.053 R)
• M8: 3,086,952 km (0.09 R)
• M9: 4,387,556 km (0.12 R)
• M10: 5,749,196 km (0.116 R)
• M11: 6,726,369 km (0.111 R)
• M12: 7,293,345 km (0.113 R)
• M13: 9,231,385 km (0.106 R)
• M14: 13,086,971 km (0.059 R)
• M15: 14,332,972 km (0.045 R)
• M16: 15,462,436 km (0.113 R)
• M17: 15,851,690 km (0.059 R)
• M18: 16,990,429 km (0.114 R)
• M19: 18,835,868 km (0.095 R)
• M20: 19,429,622 km (0.079 R)
• M21: 22,669,762 km (0.107 R)
• M22: 26,713,991 km (0.102 R)
• M23: 26,993,440 km (0.051 R)
• M24: 30,095,501 km (0.109 R)
• M25: 33,969,188 km (0.047 R)
• M26: 36,423,192 km (0.064 R)
• M27: 39,835,370 km (0.117 R)
• M28: 40,200,089 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 433.6

Radius: 3.3

Gravity: 39.82 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 8.21 AU - 8.45 AU

Year: 16595 Days

Day: 16.9 Hours

Environment

Temp: -243 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 59,923,672 km

• M1: 41,139 km (0.119 R)
• M2: 286,181 km (0.117 R)
• M3: 509,231 km (0.111 R)
• M4: 742,454 km (0.087 R)
• M5: 952,639 km (0.105 R)
• M6: 1,912,310 km (0.101 R)
• M7: 2,326,845 km (0.091 R)
• M8: 2,512,646 km (0.117 R)
• M9: 2,821,266 km (0.074 R)
• M10: 3,305,215 km (0.113 R)
• M11: 3,702,846 km (0.05 R)
• M12: 5,762,660 km (0.047 R)
• M13: 5,874,559 km (0.097 R)
• M14: 6,180,187 km (0.113 R)
• M15: 6,658,452 km (0.1 R)
• M16: 7,778,341 km (0.112 R)
• M17: 8,099,977 km (0.068 R)
• M18: 10,383,289 km (0.046 R)
• M19: 17,928,258 km (0.115 R)
• M20: 19,644,893 km (0.119 R)
• M21: 22,744,262 km (0.074 R)
• M22: 23,973,807 km (0.056 R)
• M23: 25,849,465 km (0.092 R)
• M24: 26,667,616 km (0.041 R)
• M25: 27,292,486 km (0.108 R)
• M26: 29,225,440 km (0.109 R)
• M27: 33,361,522 km (0.108 R)
• M28: 34,208,695 km (0.111 R)
• M29: 35,693,902 km (0.09 R)
• M30: 37,092,792 km (0.099 R)
• M31: 37,610,401 km (0.091 R)
• M32: 46,709,542 km (0.045 R)
• M33: 49,154,569 km (0.088 R)
• M34: 51,523,003 km (0.033 R)
• M35: 52,491,350 km (0.092 R)
• M36: 53,636,222 km (0.086 R)
• M37: 55,637,542 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 455.8

Radius: 7.6

Gravity: 7.89 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 7.9 AU - 9.12 AU

Year: 17136 Days

Day: 20 Hours

Environment

Temp: -223 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 59,923,672 km

• M1: 103,372 km (0.105 R)
• M2: 602,431 km (0.079 R)
• M3: 841,638 km (0.038 R)
• M4: 1,110,016 km (0.075 R)
• M5: 1,508,844 km (0.097 R)
• M6: 2,323,704 km (0.109 R)
• M7: 4,590,710 km (0.047 R)
• M8: 5,956,090 km (0.06 R)
• M9: 6,466,069 km (0.067 R)
• M10: 9,620,489 km (0.12 R)
• M11: 11,767,967 km (0.104 R)
• M12: 12,697,269 km (0.117 R)
• M13: 12,953,081 km (0.088 R)
• M14: 15,054,632 km (0.037 R)
• M15: 16,984,295 km (0.101 R)
• M16: 18,331,723 km (0.085 R)
• M17: 18,823,900 km (0.094 R)
• M18: 19,073,130 km (0.111 R)
• M19: 19,493,650 km (0.062 R)
• M20: 19,748,864 km (0.118 R)
• M21: 20,704,046 km (0.085 R)
• M22: 21,507,985 km (0.08 R)
• M23: 23,947,627 km (0.099 R)
• M24: 24,338,676 km (0.096 R)
• M25: 26,461,919 km (0.059 R)
• M26: 28,377,519 km (0.088 R)
• M27: 37,752,369 km (0.068 R)
• M28: 38,282,095 km (0.099 R)
• M29: 44,440,890 km (0.089 R)
• M30: 44,883,400 km (0.048 R)
• M31: 45,477,902 km (0.049 R)
• M32: 48,063,402 km (0.111 R)
• M33: 55,207,149 km (0.05 R)
• M34: 56,061,204 km (0.101 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: 535 - 20,001 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit