🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.6

Radius: 9.3

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.42 AU - 0.62 AU

Year: 259 Days

Day: 6.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 48,734,836 km

• M1: 115,639 km (0.072 R)
• M2: 475,572 km (0.03 R)
• M3: 886,218 km (0.051 R)
• M4: 1,284,447 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.9

Radius: 8.6

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.92 AU - 1.32 AU

Year: 818 Days

Day: 9.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,734,836 km

• M1: 106,962 km (0.101 R)
• M2: 380,577 km (0.044 R)
• M3: 806,781 km (0.073 R)
• M4: 1,241,662 km (0.066 R)
• M5: 1,523,804 km (0.06 R)
• M6: 1,827,338 km (0.076 R)
• M7: 2,147,328 km (0.111 R)
• M8: 2,651,024 km (0.045 R)
• M9: 3,242,235 km (0.09 R)
• M10: 3,821,627 km (0.107 R)
• M11: 4,362,274 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.6

Radius: 10.8

Gravity: 7.9 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.29 AU - 1.47 AU

Year: 1119 Days

Day: 13.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,734,836 km

• M1: 137,181 km (0.066 R)
• M2: 696,677 km (0.114 R)
• M3: 1,396,047 km (0.099 R)
• M4: 1,765,554 km (0.117 R)
• M5: 3,231,464 km (0.086 R)
• M6: 4,842,782 km (0.088 R)
• M7: 6,310,337 km (0.113 R)
• M8: 6,909,178 km (0.095 R)
• M9: 7,677,363 km (0.096 R)
• M10: 9,023,744 km (0.087 R)
• M11: 10,164,427 km (0.043 R)
• M12: 10,587,191 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286

Radius: 14.7

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.39 AU - 1.51 AU

Year: 1205 Days

Day: 7.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,734,836 km

• M1: 182,809 km (0.089 R)
• M2: 648,656 km (0.047 R)
• M3: 1,298,210 km (0.088 R)
• M4: 1,861,297 km (0.096 R)
• M5: 2,544,061 km (0.06 R)
• M6: 3,018,885 km (0.109 R)
• M7: 4,212,975 km (0.087 R)
• M8: 4,697,373 km (0.115 R)
• M9: 5,626,376 km (0.07 R)
• M10: 6,380,349 km (0.11 R)
• M11: 6,934,310 km (0.097 R)
• M12: 8,262,440 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553

Radius: 9.6

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.71 AU - 2.83 AU

Year: 2361 Days

Day: 5 Hours

Environment

Temp: -198 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,734,836 km

• M1: 119,529 km (0.106 R)
• M2: 519,553 km (0.111 R)
• M3: 857,794 km (0.038 R)
• M4: 1,170,603 km (0.102 R)
• M5: 1,503,309 km (0.108 R)
• M6: 2,038,720 km (0.102 R)
• M7: 2,445,177 km (0.096 R)
• M8: 2,874,972 km (0.102 R)
• M9: 3,371,338 km (0.101 R)
• M10: 4,212,826 km (0.091 R)
• M11: 4,598,938 km (0.03 R)
• M12: 5,030,677 km (0.086 R)
• M13: 5,632,360 km (0.107 R)
• M14: 7,007,164 km (0.09 R)
• M15: 8,060,632 km (0.046 R)
• M16: 9,049,624 km (0.034 R)
• M17: 10,886,985 km (0.037 R)
• M18: 13,474,280 km (0.042 R)
• M19: 15,190,766 km (0.084 R)
• M20: 16,150,437 km (0.055 R)
• M21: 16,845,917 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.2

Radius: 8.4

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.16 AU - 3.1 AU

Year: 2944 Days

Day: 6.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,734,836 km

• M1: 104,419 km (0.034 R)
• M2: 368,759 km (0.107 R)
• M3: 694,583 km (0.089 R)
• M4: 956,379 km (0.075 R)
• M5: 1,523,505 km (0.097 R)
• M6: 2,002,966 km (0.078 R)
• M7: 3,315,089 km (0.035 R)
• M8: 3,675,470 km (0.047 R)
• M9: 4,369,305 km (0.104 R)
• M10: 4,848,467 km (0.09 R)
• M11: 5,809,035 km (0.082 R)
• M12: 6,173,605 km (0.106 R)
• M13: 7,389,836 km (0.043 R)
• M14: 8,328,113 km (0.12 R)
• M15: 9,203,710 km (0.104 R)
• M16: 9,485,103 km (0.086 R)
• M17: 10,065,244 km (0.102 R)
• M18: 12,156,622 km (0.1 R)
• M19: 15,243,724 km (0.095 R)
• M20: 15,787,811 km (0.11 R)
• M21: 16,396,226 km (0.116 R)
• M22: 18,593,071 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.4

Radius: 13.5

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.29 AU - 3.05 AU

Year: 3011 Days

Day: 6.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,734,836 km

• M1: 168,597 km (0.079 R)
• M2: 619,186 km (0.065 R)
• M3: 1,163,273 km (0.075 R)
• M4: 1,802,056 km (0.062 R)
• M5: 2,274,336 km (0.1 R)
• M6: 2,890,231 km (0.062 R)
• M7: 3,741,742 km (0.114 R)
• M8: 4,357,636 km (0.043 R)
• M9: 5,291,277 km (0.072 R)
• M10: 6,146,229 km (0.084 R)
• M11: 7,349,594 km (0.111 R)
• M12: 8,007,376 km (0.111 R)
• M13: 9,001,005 km (0.049 R)
• M14: 9,441,421 km (0.082 R)
• M15: 10,812,336 km (0.101 R)
• M16: 14,491,546 km (0.038 R)
• M17: 17,328,969 km (0.081 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.9

Radius: 14.1

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.16 AU - 3.6 AU

Year: 3374 Days

Day: 9.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,734,836 km

• M1: 175,628 km (0.096 R)
• M2: 697,575 km (0.094 R)
• M3: 1,252,583 km (0.118 R)
• M4: 1,715,738 km (0.091 R)
• M5: 2,583,256 km (0.078 R)
• M6: 3,053,442 km (0.028 R)
• M7: 4,373,344 km (0.049 R)
• M8: 5,047,582 km (0.049 R)
• M9: 8,110,748 km (0.117 R)
• M10: 10,498,330 km (0.095 R)
• M11: 10,956,997 km (0.053 R)
• M12: 12,038,440 km (0.08 R)
• M13: 15,173,413 km (0.099 R)
• M14: 17,085,872 km (0.075 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.5

Radius: 10.3

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.99 AU - 3.15 AU

Year: 3713 Days

Day: 7.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,734,836 km

• M1: 164,258 km (0.103 R)
• M2: 557,102 km (0.039 R)
• M3: 1,186,910 km (0.063 R)
• M4: 1,987,408 km (0.096 R)
• M5: 2,882,751 km (0.111 R)
• M6: 3,504,181 km (0.1 R)
• M7: 4,150,443 km (0.106 R)
• M8: 4,897,236 km (0.072 R)
• M9: 5,628,620 km (0.037 R)
• M10: 7,807,363 km (0.114 R)
• M11: 9,155,689 km (0.107 R)
• M12: 9,625,576 km (0.081 R)
• M13: 10,771,795 km (0.103 R)
• M14: 11,295,836 km (0.117 R)
• M15: 12,049,360 km (0.108 R)
• M16: 13,703,315 km (0.057 R)
• M17: 15,707,178 km (0.094 R)
• M18: 18,520,366 km (0.114 R)
• M19: 19,925,539 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 317.2

Radius: 3.2

Gravity: 30.98 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 6.03 AU - 9.59 AU

Year: 15066 Days

Day: 19.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 48,734,836 km

• M1: 40,840 km (0.111 R)
• M2: 159,621 km (0.087 R)
• M3: 358,287 km (0.094 R)
• M4: 847,173 km (0.057 R)
• M5: 1,063,641 km (0.095 R)
• M6: 1,421,329 km (0.109 R)
• M7: 1,789,789 km (0.093 R)
• M8: 2,506,363 km (0.032 R)
• M9: 2,649,079 km (0.046 R)
• M10: 3,371,338 km (0.103 R)
• M11: 4,187,843 km (0.062 R)
• M12: 5,492,635 km (0.103 R)
• M13: 7,289,306 km (0.104 R)
• M14: 7,879,170 km (0.082 R)
• M15: 10,453,151 km (0.104 R)
• M16: 11,533,248 km (0.078 R)
• M17: 13,723,660 km (0.107 R)
• M18: 14,554,676 km (0.063 R)
• M19: 15,283,666 km (0.09 R)
• M20: 17,175,332 km (0.074 R)
• M21: 17,394,792 km (0.04 R)
• M22: 19,612,580 km (0.088 R)
• M23: 20,996,660 km (0.114 R)
• M24: 21,163,611 km (0.093 R)
• M25: 22,011,831 km (0.119 R)
• M26: 22,794,377 km (0.101 R)
• M27: 25,065,273 km (0.104 R)
• M28: 31,337,762 km (0.111 R)
• M29: 34,137,337 km (0.058 R)
• M30: 35,538,470 km (0.106 R)
• M31: 36,133,421 km (0.085 R)
• M32: 39,081,845 km (0.082 R)
• M33: 42,719,467 km (0.041 R)
• M34: 44,620,108 km (0.113 R)
• M35: 45,034,494 km (0.105 R)
• M36: 45,871,195 km (0.11 R)
• M37: 46,152,289 km (0.078 R)
• M38: 46,434,730 km (0.091 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 284 - 11,387 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit