🌌 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: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.5

Radius: 11.6

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.42 AU - 0.68 AU

Year: 287 Days

Day: 8.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,473,771 km

• M1: 144,362 km (0.108 R)
• M2: 566,826 km (0.12 R)
• M3: 1,034,918 km (0.074 R)
• M4: 1,424,321 km (0.114 R)
• M5: 1,996,533 km (0.101 R)
• M6: 3,004,524 km (0.117 R)
• M7: 3,467,828 km (0.074 R)
• M8: 3,855,436 km (0.104 R)
• M9: 4,324,725 km (0.051 R)
• M10: 4,690,940 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.5

Radius: 13.7

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.36 AU - 2.16 AU

Year: 1641 Days

Day: 12.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,473,771 km

• M1: 170,392 km (0.064 R)
• M2: 599,738 km (0.106 R)
• M3: 1,104,331 km (0.105 R)
• M4: 1,575,565 km (0.062 R)
• M5: 2,364,694 km (0.118 R)
• M6: 2,837,872 km (0.12 R)
• M7: 3,344,709 km (0.086 R)
• M8: 4,046,622 km (0.085 R)
• M9: 4,922,668 km (0.096 R)
• M10: 5,681,278 km (0.1 R)
• M11: 6,829,292 km (0.085 R)
• M12: 7,774,452 km (0.046 R)
• M13: 8,209,333 km (0.098 R)
• M14: 9,368,567 km (0.102 R)
• M15: 10,242,966 km (0.073 R)
• M16: 11,069,046 km (0.089 R)
• M17: 11,516,044 km (0.078 R)
• M18: 12,118,624 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.4

Radius: 14.1

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.03 AU - 2.15 AU

Year: 2124 Days

Day: 8.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 156.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,473,771 km

• M1: 175,329 km (0.066 R)
• M2: 644,767 km (0.077 R)
• M3: 1,503,608 km (0.093 R)
• M4: 2,781,024 km (0.102 R)
• M5: 3,504,480 km (0.117 R)
• M6: 4,067,566 km (0.115 R)
• M7: 4,518,604 km (0.1 R)
• M8: 5,620,841 km (0.11 R)
• M9: 6,156,551 km (0.058 R)
• M10: 7,009,857 km (0.072 R)
• M11: 8,485,191 km (0.065 R)
• M12: 9,471,789 km (0.115 R)
• M13: 11,431,072 km (0.027 R)
• M14: 12,168,440 km (0.114 R)
• M15: 12,763,840 km (0.086 R)
• M16: 13,693,142 km (0.034 R)
• M17: 14,857,911 km (0.12 R)
• M18: 16,087,605 km (0.113 R)
• M19: 16,546,572 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.3

Radius: 13.5

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.88 AU - 2.64 AU

Year: 2388 Days

Day: 9.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,473,771 km

• M1: 167,998 km (0.117 R)
• M2: 623,225 km (0.09 R)
• M3: 1,528,142 km (0.073 R)
• M4: 1,996,384 km (0.099 R)
• M5: 2,827,549 km (0.082 R)
• M6: 3,597,081 km (0.098 R)
• M7: 4,396,233 km (0.083 R)
• M8: 5,328,078 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.4

Radius: 10.6

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.47 AU - 2.95 AU

Year: 3136 Days

Day: 14.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,473,771 km

• M1: 131,945 km (0.106 R)
• M2: 462,257 km (0.085 R)
• M3: 1,073,814 km (0.101 R)
• M4: 1,487,152 km (0.077 R)
• M5: 2,006,706 km (0.097 R)
• M6: 2,895,467 km (0.057 R)
• M7: 3,327,655 km (0.073 R)
• M8: 4,183,654 km (0.096 R)
• M9: 5,248,791 km (0.043 R)
• M10: 5,994,686 km (0.089 R)
• M11: 6,327,990 km (0.111 R)
• M12: 8,692,384 km (0.029 R)
• M13: 10,748,757 km (0.115 R)
• M14: 12,315,495 km (0.112 R)
• M15: 13,153,542 km (0.058 R)
• M16: 15,272,297 km (0.11 R)
• M17: 15,945,039 km (0.092 R)
• M18: 16,991,177 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 203.5

Radius: 4.4

Gravity: 10.51 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 6.62 AU - 8.36 AU

Year: 14409 Days

Day: 20.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 74,473,771 km

• M1: 57,894 km (0.118 R)
• M2: 197,768 km (0.088 R)
• M3: 356,791 km (0.092 R)
• M4: 730,337 km (0.1 R)
• M5: 1,177,036 km (0.102 R)
• M6: 1,642,136 km (0.107 R)
• M7: 2,003,714 km (0.089 R)
• M8: 2,623,647 km (0.09 R)
• M9: 2,781,623 km (0.071 R)
• M10: 4,151,640 km (0.119 R)
• M11: 5,057,006 km (0.05 R)
• M12: 6,834,080 km (0.056 R)
• M13: 9,765,899 km (0.063 R)
• M14: 10,686,374 km (0.094 R)
• M15: 11,400,555 km (0.097 R)
• M16: 15,263,471 km (0.069 R)
• M17: 15,776,143 km (0.091 R)
• M18: 16,167,939 km (0.07 R)
• M19: 16,566,468 km (0.057 R)
• M20: 23,862,207 km (0.107 R)
• M21: 25,791,720 km (0.104 R)
• M22: 25,972,135 km (0.06 R)
• M23: 28,012,500 km (0.071 R)
• M24: 39,831,630 km (0.058 R)
• M25: 40,801,772 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 950

Radius: 5.8

Gravity: 28.24 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 7.91 AU - 8.45 AU

Year: 16445 Days

Day: 21.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 74,473,771 km

• M1: 73,004 km (0.071 R)
• M2: 271,969 km (0.044 R)
• M3: 1,636,451 km (0.068 R)
• M4: 2,556,179 km (0.094 R)
• M5: 2,794,787 km (0.119 R)
• M6: 5,351,565 km (0.1 R)
• M7: 5,864,685 km (0.029 R)
• M8: 6,281,166 km (0.044 R)
• M9: 6,496,736 km (0.095 R)
• M10: 6,852,031 km (0.104 R)
• M11: 7,173,367 km (0.064 R)
• M12: 8,300,288 km (0.039 R)
• M13: 8,507,781 km (0.104 R)
• M14: 11,918,313 km (0.08 R)
• M15: 12,791,366 km (0.076 R)
• M16: 13,420,275 km (0.114 R)
• M17: 14,588,784 km (0.068 R)
• M18: 17,633,101 km (0.091 R)
• M19: 18,764,809 km (0.103 R)
• M20: 23,569,743 km (0.094 R)
• M21: 26,927,018 km (0.116 R)
• M22: 30,836,759 km (0.087 R)
• M23: 31,209,856 km (0.111 R)
• M24: 31,712,056 km (0.102 R)
• M25: 32,732,613 km (0.082 R)
• M26: 37,738,756 km (0.07 R)
• M27: 39,905,830 km (0.056 R)
• M28: 41,094,834 km (0.108 R)
• M29: 57,255,443 km (0.062 R)
• M30: 58,957,568 km (0.069 R)
• M31: 60,304,547 km (0.049 R)
• M32: 69,031,937 km (0.093 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 544 - 20,219 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit