🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.73 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.1

Radius: 8.8

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.41 AU - 1.49 AU

Year: 1164 Days

Day: 8.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 46,370,035 km

• M1: 109,506 km (0.092 R)
• M2: 485,295 km (0.063 R)
• M3: 2,127,880 km (0.098 R)
• M4: 2,459,688 km (0.098 R)
• M5: 3,631,788 km (0.047 R)
• M6: 3,962,548 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330

Radius: 12.4

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.52 AU - 1.66 AU

Year: 1337 Days

Day: 6.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,370,035 km

• M1: 154,385 km (0.04 R)
• M2: 551,268 km (0.116 R)
• M3: 1,327,083 km (0.068 R)
• M4: 2,080,308 km (0.067 R)
• M5: 3,088,897 km (0.088 R)
• M6: 3,778,842 km (0.09 R)
• M7: 4,814,359 km (0.1 R)
• M8: 5,989,001 km (0.1 R)
• M9: 7,298,431 km (0.07 R)
• M10: 7,733,761 km (0.061 R)
• M11: 9,680,478 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.9

Radius: 13.7

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.74 AU - 2.14 AU

Year: 1802 Days

Day: 13.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,370,035 km

• M1: 170,392 km (0.025 R)
• M2: 611,706 km (0.112 R)
• M3: 1,089,222 km (0.108 R)
• M4: 2,100,055 km (0.047 R)
• M5: 2,995,249 km (0.11 R)
• M6: 3,718,405 km (0.089 R)
• M7: 4,301,537 km (0.051 R)
• M8: 5,863,638 km (0.056 R)
• M9: 6,554,032 km (0.111 R)
• M10: 8,186,893 km (0.091 R)
• M11: 11,970,672 km (0.105 R)
• M12: 14,005,801 km (0.057 R)
• M13: 14,836,518 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975

Radius: 11.8

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.97 AU - 2.37 AU

Year: 2132 Days

Day: 12 Hours

Environment

Temp: -195 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,370,035 km

• M1: 146,905 km (0.119 R)
• M2: 530,923 km (0.081 R)
• M3: 910,602 km (0.056 R)
• M4: 1,696,889 km (0.117 R)
• M5: 2,462,531 km (0.047 R)
• M6: 3,814,596 km (0.119 R)
• M7: 4,438,120 km (0.089 R)
• M8: 4,921,022 km (0.11 R)
• M9: 5,863,788 km (0.059 R)
• M10: 6,501,374 km (0.059 R)
• M11: 7,453,116 km (0.116 R)
• M12: 9,207,749 km (0.084 R)
• M13: 10,868,285 km (0.118 R)
• M14: 11,790,107 km (0.117 R)
• M15: 12,249,223 km (0.041 R)
• M16: 13,835,409 km (0.097 R)
• M17: 14,487,955 km (0.105 R)
• M18: 15,504,922 km (0.096 R)
• M19: 16,311,404 km (0.114 R)
• M20: 18,561,356 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.1

Radius: 13.4

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.5 AU - 3.04 AU

Year: 3074 Days

Day: 8.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,370,035 km

• M1: 183,407 km (0.099 R)
• M2: 907,909 km (0.117 R)
• M3: 1,682,228 km (0.099 R)
• M4: 2,105,590 km (0.12 R)
• M5: 3,410,831 km (0.069 R)
• M6: 4,162,411 km (0.111 R)
• M7: 5,074,958 km (0.073 R)
• M8: 7,071,342 km (0.109 R)
• M9: 7,596,430 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.9

Radius: 9.4

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.17 AU - 3.65 AU

Year: 4199 Days

Day: 6.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 46,370,035 km

• M1: 117,434 km (0.089 R)
• M2: 507,735 km (0.048 R)
• M3: 832,811 km (0.084 R)
• M4: 1,204,412 km (0.118 R)
• M5: 1,953,000 km (0.088 R)
• M6: 2,338,065 km (0.113 R)
• M7: 3,538,438 km (0.025 R)
• M8: 4,069,960 km (0.058 R)
• M9: 4,827,074 km (0.095 R)
• M10: 7,129,087 km (0.118 R)
• M11: 7,596,430 km (0.102 R)
• M12: 7,907,444 km (0.091 R)
• M13: 8,518,552 km (0.12 R)
• M14: 10,456,592 km (0.074 R)
• M15: 11,505,722 km (0.065 R)
• M16: 14,592,524 km (0.106 R)
• M17: 15,733,358 km (0.068 R)
• M18: 17,286,184 km (0.102 R)
• M19: 18,253,334 km (0.036 R)
• M20: 18,875,811 km (0.11 R)
• M21: 19,835,930 km (0.09 R)
• M22: 21,030,768 km (0.09 R)
• M23: 22,132,407 km (0.043 R)
• M24: 22,768,796 km (0.109 R)
• M25: 23,930,274 km (0.112 R)
• M26: 24,450,575 km (0.108 R)
• M27: 25,206,942 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 396.7

Radius: 7.8

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 5.8 AU - 8.12 AU

Year: 12245 Days

Day: 22.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 46,370,035 km

• M1: 97,239 km (0.086 R)
• M2: 544,237 km (0.087 R)
• M3: 818,600 km (0.076 R)
• M4: 2,243,818 km (0.119 R)
• M5: 2,866,744 km (0.074 R)
• M6: 3,674,572 km (0.074 R)
• M7: 4,227,486 km (0.05 R)
• M8: 4,626,015 km (0.103 R)
• M9: 5,175,039 km (0.066 R)
• M10: 5,766,848 km (0.098 R)
• M11: 7,322,367 km (0.062 R)
• M12: 7,565,314 km (0.117 R)
• M13: 10,352,921 km (0.1 R)
• M14: 10,711,208 km (0.077 R)
• M15: 16,291,358 km (0.083 R)
• M16: 19,657,459 km (0.098 R)
• M17: 22,086,330 km (0.11 R)
• M18: 23,548,051 km (0.043 R)
• M19: 24,527,468 km (0.119 R)
• M20: 26,377,545 km (0.114 R)
• M21: 27,726,619 km (0.106 R)
• M22: 28,517,842 km (0.117 R)
• M23: 29,835,650 km (0.047 R)
• M24: 30,145,467 km (0.105 R)
• M25: 30,561,798 km (0.099 R)
• M26: 36,446,978 km (0.075 R)
• M27: 41,614,836 km (0.094 R)
• M28: 44,105,342 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 167.1

Radius: 6.3

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 6.7 AU - 7.58 AU

Year: 12723 Days

Day: 17.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,370,035 km

• M1: 376,239 km (0.074 R)
• M2: 1,519,166 km (0.096 R)
• M3: 1,928,616 km (0.071 R)
• M4: 2,127,880 km (0.081 R)
• M5: 2,966,376 km (0.114 R)
• M6: 3,862,467 km (0.118 R)
• M7: 4,257,107 km (0.115 R)
• M8: 6,012,039 km (0.102 R)
• M9: 6,339,659 km (0.119 R)
• M10: 6,853,677 km (0.092 R)
• M11: 8,685,652 km (0.1 R)
• M12: 10,631,173 km (0.068 R)
• M13: 11,306,607 km (0.115 R)
• M14: 25,401,718 km (0.052 R)
• M15: 31,804,956 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 765.3

Radius: 7.2

Gravity: 14.76 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 5.89 AU - 8.73 AU

Year: 13180 Days

Day: 18.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,370,035 km

• M1: 93,648 km (0.112 R)
• M2: 325,076 km (0.079 R)
• M3: 1,225,805 km (0.054 R)
• M4: 2,215,544 km (0.115 R)
• M5: 4,512,470 km (0.115 R)
• M6: 6,650,523 km (0.086 R)
• M7: 8,291,462 km (0.096 R)
• M8: 8,728,138 km (0.116 R)
• M9: 9,078,347 km (0.065 R)
• M10: 11,617,471 km (0.08 R)
• M11: 12,102,767 km (0.045 R)
• M12: 12,538,396 km (0.044 R)
• M13: 13,840,945 km (0.082 R)
• M14: 15,960,298 km (0.088 R)
• M15: 17,964,460 km (0.112 R)
• M16: 22,464,963 km (0.115 R)
• M17: 43,900,842 km (0.095 R)
• M18: 44,633,422 km (0.11 R)
• M19: 50,630,053 km (0.117 R)
• M20: 53,072,537 km (0.105 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 189.4

Radius: 4.2

Gravity: 10.74 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 8.9 AU - 9.16 AU

Year: 18095 Days

Day: 22.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 46,370,035 km

• M1: 52,210 km (0.106 R)
• M2: 322,383 km (0.095 R)
• M3: 481,107 km (0.081 R)
• M4: 793,467 km (0.117 R)
• M5: 1,731,895 km (0.08 R)
• M6: 1,888,823 km (0.104 R)
• M7: 2,055,176 km (0.037 R)
• M8: 2,716,099 km (0.092 R)
• M9: 2,863,602 km (0.082 R)
• M10: 3,970,926 km (0.119 R)
• M11: 4,106,312 km (0.109 R)
• M12: 5,602,141 km (0.112 R)
• M13: 6,564,953 km (0.101 R)
• M14: 10,773,739 km (0.117 R)
• M15: 11,198,298 km (0.106 R)
• M16: 14,424,077 km (0.119 R)
• M17: 15,334,231 km (0.04 R)
• M18: 15,871,287 km (0.116 R)
• M19: 19,985,976 km (0.106 R)
• M20: 22,372,362 km (0.045 R)
• M21: 22,975,540 km (0.061 R)
• M22: 27,017,675 km (0.065 R)
• M23: 34,611,861 km (0.1 R)
• M24: 37,308,213 km (0.112 R)
• M25: 39,889,524 km (0.107 R)
• M26: 41,159,461 km (0.096 R)
• M27: 44,047,747 km (0.093 R)
• M28: 44,451,810 km (0.055 R)
• M29: 45,954,372 km (0.086 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 168 - 13,302 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit