🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.6

Radius: 9.1

Gravity: 8.92 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.43 AU - 0.63 AU

Year: 262 Days

Day: 12.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 48,218,612 km

• M1: 113,395 km (0.088 R)
• M2: 579,841 km (0.046 R)
• M3: 1,038,359 km (0.063 R)
• M4: 1,376,600 km (0.117 R)
• M5: 3,261,383 km (0.052 R)
• M6: 3,928,440 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.6

Radius: 9.4

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.58 AU - 0.94 AU

Year: 449 Days

Day: 5.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 48,218,612 km

• M1: 116,986 km (0.061 R)
• M2: 432,188 km (0.068 R)
• M3: 761,603 km (0.117 R)
• M4: 1,062,594 km (0.113 R)
• M5: 1,774,380 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.9

Radius: 14.1

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.88 AU - 3 AU

Year: 3419 Days

Day: 9 Hours

Environment

Temp: -216 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,218,612 km

• M1: 175,329 km (0.089 R)
• M2: 751,430 km (0.116 R)
• M3: 1,271,731 km (0.083 R)
• M4: 2,204,025 km (0.056 R)
• M5: 2,899,805 km (0.055 R)
• M6: 3,338,875 km (0.104 R)
• M7: 4,148,798 km (0.092 R)
• M8: 4,958,870 km (0.105 R)
• M9: 5,537,515 km (0.104 R)
• M10: 6,073,374 km (0.091 R)
• M11: 7,719,699 km (0.12 R)
• M12: 10,510,298 km (0.098 R)
• M13: 11,694,814 km (0.082 R)
• M14: 13,360,885 km (0.097 R)
• M15: 14,591,328 km (0.087 R)
• M16: 16,348,055 km (0.061 R)
• M17: 17,041,890 km (0.088 R)
• M18: 18,364,934 km (0.078 R)
• M19: 19,241,877 km (0.067 R)
• M20: 19,820,371 km (0.109 R)
• M21: 22,532,581 km (0.06 R)
• M22: 23,319,914 km (0.046 R)
• M23: 24,647,745 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.3

Radius: 13.2

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.05 AU - 3.31 AU

Year: 3846 Days

Day: 8.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 48,218,612 km

• M1: 201,957 km (0.104 R)
• M2: 1,231,789 km (0.094 R)
• M3: 2,069,986 km (0.117 R)
• M4: 3,570,752 km (0.106 R)
• M5: 4,849,963 km (0.067 R)
• M6: 6,637,209 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805

Radius: 12.1

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.98 AU - 3.56 AU

Year: 4011 Days

Day: 9.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,218,612 km

• M1: 150,645 km (0.119 R)
• M2: 636,838 km (0.095 R)
• M3: 1,206,956 km (0.058 R)
• M4: 1,954,496 km (0.078 R)
• M5: 2,919,103 km (0.075 R)
• M6: 3,488,922 km (0.076 R)
• M7: 4,086,715 km (0.111 R)
• M8: 4,929,399 km (0.111 R)
• M9: 5,406,018 km (0.093 R)
• M10: 6,483,273 km (0.095 R)
• M11: 7,525,970 km (0.05 R)
• M12: 8,087,710 km (0.04 R)
• M13: 10,277,224 km (0.104 R)
• M14: 15,345,750 km (0.082 R)
• M15: 16,482,245 km (0.068 R)
• M16: 17,370,706 km (0.057 R)
• M17: 18,478,628 km (0.054 R)
• M18: 19,372,625 km (0.058 R)
• M19: 19,896,218 km (0.101 R)
• M20: 20,903,460 km (0.039 R)
• M21: 21,663,417 km (0.047 R)
• M22: 23,607,142 km (0.112 R)
• M23: 24,583,268 km (0.088 R)
• M24: 25,508,083 km (0.077 R)
• M25: 26,616,154 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.2

Radius: 12.6

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.72 AU - 3.94 AU

Year: 5084 Days

Day: 7.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,218,612 km

• M1: 156,928 km (0.049 R)
• M2: 641,775 km (0.094 R)
• M3: 1,035,367 km (0.104 R)
• M4: 1,624,184 km (0.118 R)
• M5: 2,171,413 km (0.101 R)
• M6: 2,603,003 km (0.092 R)
• M7: 3,359,370 km (0.075 R)
• M8: 4,409,248 km (0.04 R)
• M9: 7,043,965 km (0.116 R)
• M10: 8,961,660 km (0.1 R)
• M11: 10,636,109 km (0.079 R)
• M12: 11,449,174 km (0.094 R)
• M13: 12,149,591 km (0.083 R)
• M14: 13,580,943 km (0.109 R)
• M15: 14,945,126 km (0.106 R)
• M16: 15,479,490 km (0.058 R)
• M17: 17,289,026 km (0.112 R)
• M18: 17,812,170 km (0.075 R)
• M19: 18,821,357 km (0.058 R)
• M20: 23,322,009 km (0.063 R)
• M21: 26,548,087 km (0.077 R)
• M22: 29,223,944 km (0.115 R)
• M23: 30,722,316 km (0.099 R)
• M24: 32,369,838 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.9

Radius: 12.9

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 3.98 AU - 4.7 AU

Year: 6132 Days

Day: 6.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,218,612 km

• M1: 160,369 km (0.105 R)
• M2: 964,457 km (0.081 R)
• M3: 1,446,462 km (0.074 R)
• M4: 1,878,949 km (0.049 R)
• M5: 2,334,774 km (0.115 R)
• M6: 2,864,799 km (0.114 R)
• M7: 3,391,234 km (0.084 R)
• M8: 3,958,808 km (0.053 R)
• M9: 4,438,120 km (0.096 R)
• M10: 5,370,863 km (0.102 R)
• M11: 8,028,619 km (0.092 R)
• M12: 8,721,406 km (0.073 R)
• M13: 11,704,238 km (0.073 R)
• M14: 12,544,978 km (0.112 R)
• M15: 14,071,625 km (0.057 R)
• M16: 15,484,277 km (0.054 R)
• M17: 15,955,810 km (0.089 R)
• M18: 17,176,528 km (0.115 R)
• M19: 17,618,291 km (0.047 R)
• M20: 18,132,309 km (0.069 R)
• M21: 19,190,415 km (0.048 R)
• M22: 22,537,518 km (0.049 R)
• M23: 23,760,480 km (0.105 R)
• M24: 27,437,596 km (0.119 R)
• M25: 30,917,841 km (0.037 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 652.1

Radius: 7.1

Gravity: 12.94 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 5.14 AU - 8.32 AU

Year: 11842 Days

Day: 15.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 48,218,612 km

• M1: 88,263 km (0.057 R)
• M2: 406,009 km (0.101 R)
• M3: 816,655 km (0.075 R)
• M4: 1,102,536 km (0.029 R)
• M5: 1,880,445 km (0.069 R)
• M6: 2,526,110 km (0.07 R)
• M7: 5,489,195 km (0.068 R)
• M8: 5,988,403 km (0.089 R)
• M9: 6,363,295 km (0.112 R)
• M10: 7,201,641 km (0.107 R)
• M11: 11,243,178 km (0.083 R)
• M12: 12,165,748 km (0.096 R)
• M13: 12,464,195 km (0.055 R)
• M14: 12,767,580 km (0.105 R)
• M15: 14,424,975 km (0.094 R)
• M16: 15,305,209 km (0.101 R)
• M17: 16,509,771 km (0.086 R)
• M18: 17,852,711 km (0.114 R)
• M19: 21,009,375 km (0.097 R)
• M20: 21,787,434 km (0.114 R)
• M21: 22,764,158 km (0.106 R)
• M22: 26,662,679 km (0.095 R)
• M23: 29,998,113 km (0.087 R)
• M24: 34,189,696 km (0.072 R)
• M25: 40,451,563 km (0.099 R)
• M26: 45,120,363 km (0.102 R)
• M27: 51,991,244 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 467.5

Radius: 7.8

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 5.45 AU - 8.29 AU

Year: 12213 Days

Day: 20 Hours

Environment

Temp: -221 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 48,218,612 km

• M1: 97,239 km (0.112 R)
• M2: 1,130,960 km (0.085 R)
• M3: 1,795,025 km (0.064 R)
• M4: 2,268,203 km (0.093 R)
• M5: 2,821,865 km (0.105 R)
• M6: 4,452,930 km (0.072 R)
• M7: 5,125,073 km (0.096 R)
• M8: 5,519,264 km (0.118 R)
• M9: 5,793,178 km (0.098 R)
• M10: 6,221,177 km (0.038 R)
• M11: 6,669,971 km (0.104 R)
• M12: 7,180,399 km (0.103 R)
• M13: 8,593,350 km (0.101 R)
• M14: 9,102,881 km (0.066 R)
• M15: 9,632,607 km (0.098 R)
• M16: 9,930,007 km (0.049 R)
• M17: 10,182,529 km (0.1 R)
• M18: 11,127,538 km (0.101 R)
• M19: 11,845,459 km (0.116 R)
• M20: 12,244,586 km (0.061 R)
• M21: 12,889,951 km (0.098 R)
• M22: 13,190,792 km (0.04 R)
• M23: 13,434,786 km (0.1 R)
• M24: 14,248,599 km (0.117 R)
• M25: 16,815,848 km (0.052 R)
• M26: 18,133,207 km (0.111 R)
• M27: 27,413,959 km (0.071 R)
• M28: 28,213,410 km (0.065 R)
• M29: 33,565,873 km (0.075 R)
• M30: 34,135,691 km (0.118 R)
• M31: 34,944,267 km (0.071 R)
• M32: 35,529,644 km (0.092 R)
• M33: 38,306,629 km (0.099 R)
• M34: 39,684,575 km (0.066 R)
• M35: 41,485,734 km (0.053 R)
• M36: 41,747,380 km (0.066 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 248 - 14,096 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit