🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.9

Radius: 12

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.53 AU - 0.59 AU

Year: 284 Days

Day: 12.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 83,290,387 km

• M1: 149,299 km (0.07 R)
• M2: 709,244 km (0.059 R)
• M3: 1,181,823 km (0.072 R)
• M4: 1,656,946 km (0.029 R)
• M5: 2,628,584 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.5

Radius: 14.1

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.52 AU - 0.64 AU

Year: 300 Days

Day: 6.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 83,290,387 km

• M1: 175,329 km (0.105 R)
• M2: 1,406,669 km (0.08 R)
• M3: 1,968,708 km (0.115 R)
• M4: 2,432,461 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.4

Radius: 8

Gravity: 12.55 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.6 AU - 0.98 AU

Year: 476 Days

Day: 11.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,290,387 km

• M1: 99,483 km (0.086 R)
• M2: 527,632 km (0.066 R)
• M3: 818,450 km (0.092 R)
• M4: 1,118,244 km (0.047 R)
• M5: 1,621,192 km (0.089 R)
• M6: 2,129,376 km (0.095 R)
• M7: 2,411,368 km (0.116 R)
• M8: 2,815,432 km (0.114 R)
• M9: 3,300,578 km (0.065 R)
• M10: 3,813,100 km (0.09 R)
• M11: 4,145,507 km (0.084 R)
• M12: 4,742,552 km (0.115 R)
• M13: 5,177,134 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.2

Radius: 12.1

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.72 AU - 0.94 AU

Year: 513 Days

Day: 13.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,290,387 km

• M1: 150,495 km (0.099 R)
• M2: 636,090 km (0.087 R)
• M3: 1,279,660 km (0.053 R)
• M4: 1,858,155 km (0.11 R)
• M5: 2,423,486 km (0.054 R)
• M6: 3,001,980 km (0.115 R)
• M7: 3,497,897 km (0.083 R)
• M8: 4,184,552 km (0.077 R)
• M9: 4,943,761 km (0.12 R)
• M10: 5,340,345 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.5

Radius: 12.8

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.09 AU - 1.67 AU

Year: 1100 Days

Day: 6.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,290,387 km

• M1: 159,172 km (0.072 R)
• M2: 680,072 km (0.035 R)
• M3: 1,133,503 km (0.117 R)
• M4: 2,055,325 km (0.034 R)
• M5: 2,507,111 km (0.065 R)
• M6: 3,795,298 km (0.107 R)
• M7: 4,265,185 km (0.098 R)
• M8: 5,484,856 km (0.076 R)
• M9: 7,630,389 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.4

Radius: 10

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.43 AU - 2.07 AU

Year: 1570 Days

Day: 8.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 83,290,387 km

• M1: 124,465 km (0.046 R)
• M2: 518,057 km (0.104 R)
• M3: 885,769 km (0.073 R)
• M4: 1,197,082 km (0.088 R)
• M5: 1,537,717 km (0.112 R)
• M6: 1,954,347 km (0.111 R)
• M7: 2,333,727 km (0.104 R)
• M8: 2,707,721 km (0.118 R)
• M9: 3,677,415 km (0.032 R)
• M10: 4,113,792 km (0.105 R)
• M11: 4,863,576 km (0.099 R)
• M12: 5,303,693 km (0.071 R)
• M13: 6,191,856 km (0.097 R)
• M14: 6,888,384 km (0.101 R)
• M15: 7,229,168 km (0.111 R)
• M16: 7,747,524 km (0.076 R)
• M17: 8,290,415 km (0.032 R)
• M18: 9,484,355 km (0.108 R)
• M19: 10,006,153 km (0.104 R)
• M20: 10,444,026 km (0.068 R)
• M21: 12,134,781 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.5

Radius: 13.2

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.41 AU - 3.79 AU

Year: 3702 Days

Day: 10.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,290,387 km

• M1: 164,408 km (0.057 R)
• M2: 742,604 km (0.111 R)
• M3: 1,293,872 km (0.1 R)
• M4: 1,808,638 km (0.114 R)
• M5: 2,240,827 km (0.103 R)
• M6: 3,245,675 km (0.047 R)
• M7: 3,748,623 km (0.092 R)
• M8: 6,601,305 km (0.108 R)
• M9: 7,677,363 km (0.12 R)
• M10: 9,315,160 km (0.068 R)
• M11: 14,825,299 km (0.114 R)
• M12: 15,458,098 km (0.042 R)
• M13: 16,053,796 km (0.107 R)
• M14: 19,892,777 km (0.109 R)
• M15: 21,453,083 km (0.115 R)
• M16: 22,675,746 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 470.7

Radius: 6.6

Gravity: 10.81 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 5.41 AU - 7.67 AU

Year: 11344 Days

Day: 19.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 83,290,387 km

• M1: 82,129 km (0.097 R)
• M2: 311,762 km (0.071 R)
• M3: 605,123 km (0.115 R)
• M4: 1,145,172 km (0.102 R)
• M5: 1,410,858 km (0.104 R)
• M6: 1,702,723 km (0.099 R)
• M7: 1,919,191 km (0.1 R)
• M8: 2,171,563 km (0.095 R)
• M9: 2,662,244 km (0.11 R)
• M10: 5,996,631 km (0.068 R)
• M11: 6,539,521 km (0.106 R)
• M12: 6,957,947 km (0.033 R)
• M13: 7,394,174 km (0.11 R)
• M14: 7,639,814 km (0.093 R)
• M15: 8,321,232 km (0.065 R)
• M16: 10,302,357 km (0.083 R)
• M17: 10,764,614 km (0.065 R)
• M18: 12,636,083 km (0.054 R)
• M19: 13,587,675 km (0.062 R)
• M20: 15,168,775 km (0.08 R)
• M21: 16,380,518 km (0.097 R)
• M22: 18,691,955 km (0.037 R)
• M23: 19,148,228 km (0.11 R)
• M24: 19,379,207 km (0.117 R)
• M25: 20,401,559 km (0.105 R)
• M26: 21,048,271 km (0.12 R)
• M27: 21,625,270 km (0.095 R)
• M28: 23,861,160 km (0.117 R)
• M29: 24,488,423 km (0.076 R)
• M30: 28,485,230 km (0.095 R)
• M31: 35,033,129 km (0.094 R)
• M32: 37,621,022 km (0.108 R)
• M33: 37,862,473 km (0.09 R)
• M34: 43,704,420 km (0.119 R)
• M35: 44,508,059 km (0.104 R)
• M36: 45,869,250 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 914.1

Radius: 6.6

Gravity: 20.98 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 9.07 AU - 9.91 AU

Year: 19829 Days

Day: 21.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,290,387 km

• M1: 88,263 km (0.101 R)
• M2: 296,054 km (0.12 R)
• M3: 863,778 km (0.084 R)
• M4: 1,276,070 km (0.046 R)
• M5: 1,630,617 km (0.045 R)
• M6: 4,830,515 km (0.093 R)
• M7: 5,288,434 km (0.1 R)
• M8: 10,235,486 km (0.12 R)
• M9: 11,781,880 km (0.106 R)
• M10: 14,930,915 km (0.094 R)
• M11: 15,736,200 km (0.1 R)
• M12: 16,066,363 km (0.069 R)
• M13: 16,317,089 km (0.099 R)
• M14: 18,416,994 km (0.06 R)
• M15: 22,099,794 km (0.111 R)
• M16: 27,774,789 km (0.093 R)
• M17: 33,800,143 km (0.114 R)
• M18: 40,179,295 km (0.069 R)
• M19: 44,795,586 km (0.06 R)
• M20: 51,907,170 km (0.105 R)
• M21: 58,939,317 km (0.12 R)
• M22: 70,749,022 km (0.037 R)
• M23: 77,204,469 km (0.222 R)
• M24: 80,819,053 km (0.12 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 15,812 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit