🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.4

Radius: 10.4

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.94 AU - 0.98 AU

Year: 617 Days

Day: 9.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,907,460 km

• M1: 129,701 km (0.106 R)
• M2: 480,508 km (0.09 R)
• M3: 969,544 km (0.075 R)
• M4: 1,615,358 km (0.118 R)
• M5: 2,151,816 km (0.053 R)
• M6: 2,481,380 km (0.056 R)
• M7: 3,692,823 km (0.106 R)
• M8: 4,264,138 km (0.03 R)
• M9: 4,848,617 km (0.097 R)
• M10: 5,199,274 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.1

Radius: 14.4

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.94 AU - 1.26 AU

Year: 757 Days

Day: 6.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,907,460 km

• M1: 179,368 km (0.095 R)
• M2: 1,129,913 km (0.097 R)
• M3: 1,711,250 km (0.089 R)
• M4: 2,162,587 km (0.109 R)
• M5: 2,663,590 km (0.059 R)
• M6: 3,148,287 km (0.119 R)
• M7: 4,226,439 km (0.112 R)
• M8: 5,199,723 km (0.033 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.2

Radius: 14.9

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.06 AU - 1.18 AU

Year: 778 Days

Day: 11.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,907,460 km

• M1: 185,352 km (0.114 R)
• M2: 700,716 km (0.117 R)
• M3: 1,173,147 km (0.071 R)
• M4: 1,783,805 km (0.068 R)
• M5: 2,261,471 km (0.088 R)
• M6: 2,898,459 km (0.105 R)
• M7: 3,540,383 km (0.061 R)
• M8: 5,296,363 km (0.057 R)
• M9: 5,954,743 km (0.114 R)
• M10: 6,558,969 km (0.102 R)
• M11: 7,273,149 km (0.104 R)
• M12: 7,793,899 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.8

Radius: 14.5

Gravity: 0.05 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.29 AU - 2.01 AU

Year: 1390 Days

Day: 5.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 76,907,460 km

• M1: 180,265 km (0.102 R)
• M2: 715,227 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.7

Radius: 13.3

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.55 AU - 1.99 AU

Year: 1545 Days

Day: 6.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,907,460 km

• M1: 178,919 km (0.057 R)
• M2: 781,649 km (0.09 R)
• M3: 1,233,135 km (0.05 R)
• M4: 2,177,995 km (0.102 R)
• M5: 2,666,283 km (0.096 R)
• M6: 3,184,041 km (0.095 R)
• M7: 3,850,948 km (0.088 R)
• M8: 4,280,294 km (0.084 R)
• M9: 7,893,382 km (0.097 R)
• M10: 10,369,526 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436

Radius: 12.5

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.69 AU - 2.05 AU

Year: 1678 Days

Day: 9.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,907,460 km

• M1: 155,881 km (0.091 R)
• M2: 584,628 km (0.108 R)
• M3: 1,167,911 km (0.109 R)
• M4: 1,559,707 km (0.093 R)
• M5: 2,182,633 km (0.087 R)
• M6: 2,790,898 km (0.082 R)
• M7: 3,282,177 km (0.119 R)
• M8: 4,101,824 km (0.083 R)
• M9: 4,495,566 km (0.103 R)
• M10: 4,914,589 km (0.068 R)
• M11: 5,318,354 km (0.059 R)
• M12: 6,010,693 km (0.041 R)
• M13: 7,340,468 km (0.114 R)
• M14: 7,842,818 km (0.102 R)
• M15: 8,624,916 km (0.053 R)
• M16: 9,245,148 km (0.104 R)
• M17: 11,390,083 km (0.08 R)
• M18: 12,173,527 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47

Radius: 13.7

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.85 AU - 2.77 AU

Year: 2303 Days

Day: 13.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 76,907,460 km

• M1: 177,573 km (0.114 R)
• M2: 1,120,189 km (0.08 R)
• M3: 2,288,548 km (0.115 R)
• M4: 3,257,942 km (0.118 R)
• M5: 4,069,511 km (0.12 R)
• M6: 5,562,498 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 673.2

Radius: 3.1

Gravity: 70.05 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 5.32 AU - 8.84 AU

Year: 12358 Days

Day: 24.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 76,907,460 km

• M1: 38,596 km (0.106 R)
• M2: 161,865 km (0.058 R)
• M3: 293,960 km (0.065 R)
• M4: 432,787 km (0.091 R)
• M5: 885,171 km (0.072 R)
• M6: 1,835,566 km (0.056 R)
• M7: 1,991,596 km (0.12 R)
• M8: 2,194,152 km (0.119 R)
• M9: 3,192,718 km (0.094 R)
• M10: 3,601,419 km (0.112 R)
• M11: 3,763,284 km (0.082 R)
• M12: 4,189,488 km (0.062 R)
• M13: 4,490,778 km (0.113 R)
• M14: 8,578,690 km (0.071 R)
• M15: 10,739,033 km (0.063 R)
• M16: 10,850,034 km (0.105 R)
• M17: 13,363,727 km (0.116 R)
• M18: 14,147,321 km (0.077 R)
• M19: 14,823,354 km (0.045 R)
• M20: 16,607,159 km (0.096 R)
• M21: 17,359,038 km (0.078 R)
• M22: 17,743,355 km (0.108 R)
• M23: 18,370,020 km (0.097 R)
• M24: 23,923,691 km (0.098 R)
• M25: 25,076,044 km (0.035 R)
• M26: 25,173,731 km (0.089 R)
• M27: 30,721,718 km (0.116 R)
• M28: 35,287,894 km (0.12 R)
• M29: 36,778,936 km (0.117 R)
• M30: 38,831,418 km (0.091 R)
• M31: 42,051,363 km (0.045 R)
• M32: 43,023,001 km (0.098 R)
• M33: 45,299,881 km (0.115 R)
• M34: 49,937,415 km (0.075 R)
• M35: 52,770,050 km (0.114 R)
• M36: 54,389,148 km (0.068 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 538.2

Radius: 3.6

Gravity: 41.53 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 9.62 AU - 11.76 AU

Year: 22929 Days

Day: 17.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 76,907,460 km

• M1: 44,730 km (0.051 R)
• M2: 229,782 km (0.057 R)
• M3: 435,928 km (0.118 R)
• M4: 669,002 km (0.119 R)
• M5: 787,483 km (0.115 R)
• M6: 1,660,836 km (0.095 R)
• M7: 1,805,347 km (0.101 R)
• M8: 2,587,146 km (0.03 R)
• M9: 2,757,089 km (0.05 R)
• M10: 2,934,512 km (0.066 R)
• M11: 3,065,709 km (0.063 R)
• M12: 3,782,433 km (0.093 R)
• M13: 3,906,599 km (0.084 R)
• M14: 5,945,169 km (0.103 R)
• M15: 6,503,319 km (0.098 R)
• M16: 7,095,726 km (0.059 R)
• M17: 7,429,180 km (0.111 R)
• M18: 7,873,037 km (0.057 R)
• M19: 8,127,204 km (0.112 R)
• M20: 8,545,180 km (0.11 R)
• M21: 9,595,058 km (0.047 R)
• M22: 9,710,398 km (0.111 R)
• M23: 10,728,112 km (0.048 R)
• M24: 16,564,224 km (0.079 R)
• M25: 16,981,303 km (0.081 R)
• M26: 22,343,938 km (0.109 R)
• M27: 30,814,169 km (0.101 R)
• M28: 32,731,266 km (0.109 R)
• M29: 33,255,756 km (0.103 R)
• M30: 35,272,036 km (0.102 R)
• M31: 55,333,859 km (0.095 R)
• M32: 68,901,488 km (0.101 R)
• M33: 69,762,274 km (0.108 R)
• M34: 71,945,356 km (0.093 R)
• M35: 75,077,487 km (0.108 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 175 - 18,018 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit