🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714

Radius: 11.6

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.6 AU - 0.8 AU

Year: 404 Days

Day: 11.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,771,258 km

• M1: 144,362 km (0.098 R)
• M2: 749,934 km (0.106 R)
• M3: 1,244,355 km (0.11 R)
• M4: 1,961,527 km (0.085 R)
• M5: 2,565,005 km (0.084 R)
• M6: 3,066,158 km (0.117 R)
• M7: 3,595,435 km (0.085 R)
• M8: 4,749,583 km (0.03 R)
• M9: 5,674,546 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.1

Radius: 12.8

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.69 AU - 0.73 AU

Year: 413 Days

Day: 7.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,771,258 km

• M1: 159,172 km (0.074 R)
• M2: 574,605 km (0.098 R)
• M3: 1,036,564 km (0.107 R)
• M4: 1,477,578 km (0.107 R)
• M5: 2,003,564 km (0.058 R)
• M6: 2,419,596 km (0.101 R)
• M7: 2,866,445 km (0.082 R)
• M8: 3,267,666 km (0.093 R)
• M9: 3,986,634 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.5

Radius: 8.1

Gravity: 10.08 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.86 AU - 3.06 AU

Year: 2663 Days

Day: 9.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 20,771,258 km

• M1: 104,419 km (0.114 R)
• M2: 463,903 km (0.11 R)
• M3: 776,712 km (0.093 R)
• M4: 1,034,020 km (0.066 R)
• M5: 1,321,548 km (0.066 R)
• M6: 1,740,272 km (0.081 R)
• M7: 2,139,399 km (0.076 R)
• M8: 2,438,595 km (0.08 R)
• M9: 3,436,263 km (0.084 R)
• M10: 3,771,512 km (0.105 R)
• M11: 4,047,071 km (0.107 R)
• M12: 4,773,369 km (0.095 R)
• M13: 5,634,005 km (0.086 R)
• M14: 5,968,955 km (0.115 R)
• M15: 6,235,688 km (0.104 R)
• M16: 6,764,517 km (0.063 R)
• M17: 9,182,916 km (0.036 R)
• M18: 9,575,161 km (0.108 R)
• M19: 11,378,414 km (0.095 R)
• M20: 12,381,617 km (0.097 R)
• M21: 12,685,002 km (0.112 R)
• M22: 13,625,075 km (0.045 R)
• M23: 15,047,601 km (0.106 R)
• M24: 15,643,449 km (0.04 R)
• M25: 16,358,228 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.7

Radius: 8.1

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.24 AU - 2.92 AU

Year: 2860 Days

Day: 6.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 20,771,258 km

• M1: 100,679 km (0.115 R)
• M2: 620,382 km (0.1 R)
• M3: 1,380,489 km (0.059 R)
• M4: 1,760,318 km (0.047 R)
• M5: 2,600,310 km (0.115 R)
• M6: 3,021,877 km (0.088 R)
• M7: 3,471,119 km (0.073 R)
• M8: 4,379,029 km (0.105 R)
• M9: 4,735,969 km (0.097 R)
• M10: 6,231,051 km (0.106 R)
• M11: 6,548,198 km (0.11 R)
• M12: 8,079,332 km (0.103 R)
• M13: 8,780,049 km (0.097 R)
• M14: 9,246,794 km (0.025 R)
• M15: 10,121,194 km (0.103 R)
• M16: 10,897,307 km (0.066 R)
• M17: 11,280,577 km (0.104 R)
• M18: 12,155,425 km (0.098 R)
• M19: 12,484,541 km (0.074 R)
• M20: 12,989,434 km (0.078 R)
• M21: 13,995,030 km (0.043 R)
• M22: 14,265,653 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.9

Radius: 12

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.44 AU - 3.56 AU

Year: 4520 Days

Day: 6.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 20,771,258 km

• M1: 149,747 km (0.119 R)
• M2: 555,756 km (0.084 R)
• M3: 1,515,726 km (0.111 R)
• M4: 2,106,637 km (0.119 R)
• M5: 3,694,020 km (0.114 R)
• M6: 4,220,605 km (0.082 R)
• M7: 5,611,117 km (0.105 R)
• M8: 6,338,462 km (0.075 R)
• M9: 6,725,172 km (0.115 R)
• M10: 7,448,179 km (0.093 R)
• M11: 8,118,527 km (0.066 R)
• M12: 9,274,170 km (0.093 R)
• M13: 10,050,434 km (0.102 R)
• M14: 10,702,082 km (0.049 R)
• M15: 11,512,454 km (0.053 R)
• M16: 13,159,526 km (0.062 R)
• M17: 14,647,876 km (0.096 R)
• M18: 17,258,358 km (0.084 R)
• M19: 17,956,681 km (0.109 R)
• M20: 19,100,656 km (0.106 R)
• M21: 20,356,680 km (0.047 R)
• M22: 23,453,655 km (0.077 R)
• M23: 24,094,383 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.1

Radius: 12.3

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.78 AU - 4.54 AU

Year: 4833 Days

Day: 9.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 20,771,258 km

• M1: 153,039 km (0.091 R)
• M2: 690,394 km (0.066 R)
• M3: 1,865,186 km (0.095 R)
• M4: 2,420,643 km (0.118 R)
• M5: 5,594,811 km (0.093 R)
• M6: 6,792,342 km (0.116 R)
• M7: 7,504,278 km (0.111 R)
• M8: 9,359,591 km (0.049 R)
• M9: 17,599,142 km (0.084 R)
• M10: 20,421,306 km (0.117 R)
• M11: 21,401,920 km (0.104 R)
• M12: 21,831,715 km (0.077 R)
• M13: 22,931,259 km (0.114 R)
• M14: 24,067,455 km (0.09 R)
• M15: 24,924,202 km (0.055 R)
• M16: 28,383,653 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.8

Radius: 9.6

Gravity: 10.5 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 3.61 AU - 3.85 AU

Year: 4972 Days

Day: 11.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 20,771,258 km

• M1: 123,119 km (0.029 R)
• M2: 422,165 km (0.112 R)
• M3: 745,446 km (0.059 R)
• M4: 1,180,776 km (0.113 R)
• M5: 1,611,618 km (0.073 R)
• M6: 1,965,267 km (0.083 R)
• M7: 2,404,038 km (0.1 R)
• M8: 2,756,790 km (0.106 R)
• M9: 3,246,423 km (0.11 R)
• M10: 3,770,315 km (0.073 R)
• M11: 4,324,276 km (0.104 R)
• M12: 5,127,467 km (0.072 R)
• M13: 7,205,232 km (0.086 R)
• M14: 7,605,556 km (0.098 R)
• M15: 10,931,565 km (0.113 R)
• M16: 13,044,785 km (0.118 R)
• M17: 13,585,581 km (0.064 R)
• M18: 18,396,798 km (0.095 R)
• M19: 20,487,578 km (0.041 R)
• M20: 21,665,362 km (0.105 R)
• M21: 26,570,676 km (0.101 R)
• M22: 27,264,511 km (0.094 R)
• M23: 30,725,907 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.8

Radius: 14.8

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.76 AU - 4.24 AU

Year: 5522 Days

Day: 5.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,771,258 km

• M1: 185,053 km (0.109 R)
• M2: 717,920 km (0.085 R)
• M3: 1,252,433 km (0.067 R)
• M4: 2,518,181 km (0.09 R)
• M5: 2,979,690 km (0.114 R)
• M6: 3,571,948 km (0.064 R)
• M7: 4,697,972 km (0.113 R)
• M8: 5,530,484 km (0.099 R)
• M9: 6,183,927 km (0.072 R)
• M10: 9,008,933 km (0.062 R)
• M11: 13,647,515 km (0.118 R)
• M12: 16,162,853 km (0.118 R)
• M13: 20,463,942 km (0.051 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 338 - 13,877 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit