🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716

Radius: 12.2

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.59 AU - 0.77 AU

Year: 387 Days

Day: 5.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 93,327,392 km

• M1: 151,692 km (0.12 R)
• M2: 558,598 km (0.098 R)
• M3: 1,032,973 km (0.119 R)
• M4: 1,618,200 km (0.105 R)
• M5: 2,073,277 km (0.052 R)
• M6: 2,633,222 km (0.036 R)
• M7: 3,071,992 km (0.089 R)
• M8: 3,583,617 km (0.11 R)
• M9: 4,007,428 km (0.116 R)
• M10: 4,549,122 km (0.07 R)
• M11: 5,139,285 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.5

Radius: 11.9

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.91 AU - 1.25 AU

Year: 775 Days

Day: 8.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 93,327,392 km

• M1: 148,401 km (0.109 R)
• M2: 571,913 km (0.083 R)
• M3: 1,135,298 km (0.083 R)
• M4: 2,691,116 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.4

Radius: 13

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.67 AU - 2.63 AU

Year: 2176 Days

Day: 6.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 93,327,392 km

• M1: 164,258 km (0.091 R)
• M2: 812,915 km (0.114 R)
• M3: 1,240,466 km (0.086 R)
• M4: 2,122,943 km (0.051 R)
• M5: 2,718,941 km (0.104 R)
• M6: 3,250,313 km (0.11 R)
• M7: 3,717,357 km (0.073 R)
• M8: 4,810,619 km (0.119 R)
• M9: 6,322,156 km (0.114 R)
• M10: 6,909,926 km (0.095 R)
• M11: 8,194,971 km (0.104 R)
• M12: 8,963,306 km (0.111 R)
• M13: 10,956,249 km (0.086 R)
• M14: 11,723,237 km (0.1 R)
• M15: 14,005,951 km (0.104 R)
• M16: 14,861,202 km (0.091 R)
• M17: 16,004,130 km (0.109 R)
• M18: 17,365,770 km (0.028 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.3

Radius: 12.2

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.88 AU - 2.9 AU

Year: 3391 Days

Day: 8.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 93,327,392 km

• M1: 151,842 km (0.119 R)
• M2: 531,222 km (0.119 R)
• M3: 1,186,012 km (0.098 R)
• M4: 2,213,450 km (0.071 R)
• M5: 2,907,734 km (0.099 R)
• M6: 3,803,675 km (0.084 R)
• M7: 4,497,510 km (0.104 R)
• M8: 5,831,175 km (0.075 R)
• M9: 8,251,220 km (0.112 R)
• M10: 12,339,431 km (0.073 R)
• M11: 13,760,910 km (0.045 R)
• M12: 15,876,224 km (0.074 R)
• M13: 16,313,049 km (0.117 R)
• M14: 16,701,705 km (0.096 R)
• M15: 18,200,227 km (0.108 R)
• M16: 19,288,850 km (0.114 R)
• M17: 20,548,764 km (0.105 R)
• M18: 21,330,712 km (0.081 R)
• M19: 23,302,262 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412

Radius: 14.9

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 3.17 AU - 3.21 AU

Year: 3933 Days

Day: 10.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 93,327,392 km

• M1: 185,651 km (0.052 R)
• M2: 678,576 km (0.116 R)
• M3: 1,198,429 km (0.09 R)
• M4: 1,702,274 km (0.09 R)
• M5: 2,537,030 km (0.056 R)
• M6: 3,109,392 km (0.108 R)
• M7: 4,089,707 km (0.102 R)
• M8: 5,342,140 km (0.108 R)
• M9: 6,044,502 km (0.073 R)
• M10: 6,632,721 km (0.099 R)
• M11: 7,795,096 km (0.079 R)
• M12: 9,977,729 km (0.094 R)
• M13: 11,127,987 km (0.059 R)
• M14: 11,628,990 km (0.057 R)
• M15: 13,691,496 km (0.054 R)
• M16: 14,218,978 km (0.075 R)
• M17: 17,505,793 km (0.098 R)
• M18: 18,242,413 km (0.051 R)
• M19: 18,823,002 km (0.089 R)
• M20: 20,328,555 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.2

Radius: 10.6

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.85 AU - 6.03 AU

Year: 7579 Days

Day: 5.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 93,327,392 km

• M1: 280,346 km (0.095 R)
• M2: 667,356 km (0.1 R)
• M3: 1,194,838 km (0.038 R)
• M4: 7,245,324 km (0.114 R)
• M5: 7,616,925 km (0.117 R)
• M6: 10,586,293 km (0.061 R)
• M7: 17,011,522 km (0.032 R)
• M8: 20,596,934 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 491.8

Radius: 4.4

Gravity: 25.4 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 5.39 AU - 6.41 AU

Year: 9892 Days

Day: 15.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 93,327,392 km

• M1: 54,753 km (0.075 R)
• M2: 302,936 km (0.109 R)
• M3: 514,018 km (0.109 R)
• M4: 711,787 km (0.078 R)
• M5: 1,019,210 km (0.075 R)
• M6: 1,683,425 km (0.117 R)
• M7: 1,863,690 km (0.075 R)
• M8: 2,158,398 km (0.051 R)
• M9: 2,637,859 km (0.085 R)
• M10: 2,840,116 km (0.112 R)
• M11: 3,096,377 km (0.057 R)
• M12: 4,063,377 km (0.069 R)
• M13: 4,939,871 km (0.115 R)
• M14: 5,502,958 km (0.094 R)
• M15: 5,733,189 km (0.09 R)
• M16: 7,408,835 km (0.112 R)
• M17: 8,061,081 km (0.085 R)
• M18: 11,904,400 km (0.084 R)
• M19: 12,068,509 km (0.097 R)
• M20: 13,259,607 km (0.106 R)
• M21: 14,034,973 km (0.094 R)
• M22: 14,966,669 km (0.082 R)
• M23: 16,610,001 km (0.093 R)
• M24: 20,172,525 km (0.069 R)
• M25: 20,957,166 km (0.054 R)
• M26: 23,347,889 km (0.108 R)
• M27: 26,005,795 km (0.079 R)
• M28: 28,175,113 km (0.105 R)
• M29: 28,662,204 km (0.028 R)
• M30: 34,728,996 km (0.11 R)
• M31: 36,197,150 km (0.117 R)
• M32: 37,471,275 km (0.098 R)
• M33: 37,941,910 km (0.074 R)
• M34: 41,850,004 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 76.3

Radius: 7

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 6.57 AU - 6.79 AU

Year: 11917 Days

Day: 20.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 93,327,392 km

• M1: 87,066 km (0.061 R)
• M2: 329,714 km (0.108 R)
• M3: 998,715 km (0.044 R)
• M4: 2,184,578 km (0.097 R)
• M5: 2,651,473 km (0.089 R)
• M6: 3,355,480 km (0.029 R)
• M7: 4,409,098 km (0.095 R)
• M8: 9,373,354 km (0.115 R)
• M9: 10,137,949 km (0.09 R)
• M10: 15,455,255 km (0.093 R)
• M11: 16,122,462 km (0.084 R)
• M12: 18,056,613 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 626.6

Radius: 7.4

Gravity: 11.44 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 7.91 AU - 8.75 AU

Year: 16595 Days

Day: 18.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 93,327,392 km

• M1: 92,302 km (0.117 R)
• M2: 395,387 km (0.04 R)
• M3: 653,144 km (0.107 R)
• M4: 959,072 km (0.102 R)
• M5: 1,491,341 km (0.09 R)
• M6: 1,939,836 km (0.099 R)
• M7: 2,266,408 km (0.115 R)
• M8: 3,444,790 km (0.099 R)
• M9: 3,722,444 km (0.102 R)
• M10: 4,167,198 km (0.106 R)
• M11: 4,418,523 km (0.112 R)
• M12: 6,640,350 km (0.049 R)
• M13: 8,039,240 km (0.116 R)
• M14: 8,380,473 km (0.111 R)
• M15: 8,680,716 km (0.098 R)
• M16: 9,843,241 km (0.104 R)
• M17: 11,590,993 km (0.1 R)
• M18: 12,668,396 km (0.066 R)
• M19: 13,064,083 km (0.061 R)
• M20: 15,167,728 km (0.087 R)
• M21: 15,613,979 km (0.058 R)
• M22: 20,300,730 km (0.115 R)
• M23: 22,719,578 km (0.027 R)
• M24: 25,117,183 km (0.107 R)
• M25: 26,805,994 km (0.101 R)
• M26: 36,662,848 km (0.105 R)
• M27: 47,412,801 km (0.095 R)
• M28: 49,009,459 km (0.07 R)
• M29: 51,471,391 km (0.061 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 916.7

Radius: 7.3

Gravity: 17.2 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 10.3 AU - 10.7 AU

Year: 23485 Days

Day: 18.5 Hours

Environment

Temp: -244 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 93,327,392 km

• M1: 91,105 km (0.06 R)
• M2: 357,689 km (0.081 R)
• M3: 1,270,236 km (0.1 R)
• M4: 1,636,750 km (0.115 R)
• M5: 2,533,440 km (0.108 R)
• M6: 2,814,983 km (0.082 R)
• M7: 3,060,772 km (0.055 R)
• M8: 3,411,131 km (0.057 R)
• M9: 4,054,102 km (0.065 R)
• M10: 4,440,813 km (0.117 R)
• M11: 6,102,845 km (0.047 R)
• M12: 9,465,207 km (0.1 R)
• M13: 11,262,625 km (0.076 R)
• M14: 12,169,936 km (0.069 R)
• M15: 12,975,072 km (0.079 R)
• M16: 15,434,461 km (0.108 R)
• M17: 18,094,760 km (0.072 R)
• M18: 23,851,137 km (0.091 R)
• M19: 26,895,902 km (0.085 R)
• M20: 27,386,284 km (0.111 R)
• M21: 28,893,034 km (0.112 R)
• M22: 34,171,146 km (0.088 R)
• M23: 34,601,987 km (0.064 R)
• M24: 36,660,305 km (0.058 R)
• M25: 39,425,023 km (0.06 R)
• M26: 47,649,166 km (0.072 R)
• M27: 48,186,821 km (0.039 R)
• M28: 50,008,474 km (0.093 R)
• M29: 54,176,719 km (0.105 R)
• M30: 55,352,559 km (0.065 R)
• M31: 61,487,418 km (0.093 R)
• M32: 66,709,879 km (0.098 R)
• M33: 69,199,337 km (0.106 R)
• M34: 82,323,110 km (0.09 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 512 - 15,158 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit