🌌 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: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.4

Radius: 9.1

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.47 AU - 0.55 AU

Year: 256 Days

Day: 11.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,847,302 km

• M1: 113,246 km (0.071 R)
• M2: 431,889 km (0.043 R)
• M3: 826,827 km (0.08 R)
• M4: 1,168,060 km (0.096 R)
• M5: 1,503,010 km (0.119 R)
• M6: 1,987,707 km (0.051 R)
• M7: 2,348,836 km (0.072 R)
• M8: 2,778,930 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.8

Radius: 13.3

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.5 AU - 0.76 AU

Year: 351 Days

Day: 6.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,847,302 km

• M1: 165,455 km (0.034 R)
• M2: 599,439 km (0.06 R)
• M3: 1,101,340 km (0.059 R)
• M4: 1,533,229 km (0.09 R)
• M5: 2,836,974 km (0.109 R)
• M6: 4,725,049 km (0.084 R)
• M7: 5,162,323 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.3

Radius: 8.9

Gravity: 8.68 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.8 AU - 0.94 AU

Year: 570 Days

Day: 14 Hours

Environment

Temp: -160 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,847,302 km

• M1: 111,450 km (0.108 R)
• M2: 398,080 km (0.072 R)
• M3: 679,025 km (0.095 R)
• M4: 1,066,782 km (0.06 R)
• M5: 1,420,731 km (0.046 R)
• M6: 1,730,997 km (0.115 R)
• M7: 2,033,035 km (0.099 R)
• M8: 2,789,252 km (0.08 R)
• M9: 3,654,526 km (0.073 R)
• M10: 4,409,547 km (0.086 R)
• M11: 4,913,542 km (0.065 R)
• M12: 5,350,966 km (0.048 R)
• M13: 6,112,270 km (0.099 R)
• M14: 6,882,250 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.7

Radius: 11.8

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.83 AU - 1.23 AU

Year: 735 Days

Day: 5.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,847,302 km

• M1: 147,055 km (0.059 R)
• M2: 756,217 km (0.092 R)
• M3: 1,822,401 km (0.117 R)
• M4: 2,193,853 km (0.119 R)
• M5: 3,093,684 km (0.07 R)
• M6: 3,698,059 km (0.082 R)
• M7: 4,668,650 km (0.102 R)
• M8: 6,744,770 km (0.115 R)
• M9: 7,556,787 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.4

Radius: 11.1

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.04 AU - 1.62 AU

Year: 1078 Days

Day: 8 Hours

Environment

Temp: -185 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,847,302 km

• M1: 138,228 km (0.089 R)
• M2: 507,885 km (0.104 R)
• M3: 1,064,389 km (0.118 R)
• M4: 1,414,298 km (0.052 R)
• M5: 1,827,637 km (0.065 R)
• M6: 2,709,816 km (0.108 R)
• M7: 3,855,287 km (0.07 R)
• M8: 4,265,035 km (0.097 R)
• M9: 4,957,075 km (0.09 R)
• M10: 5,639,391 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.8

Radius: 14.7

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.42 AU - 2.48 AU

Year: 2696 Days

Day: 11.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,847,302 km

• M1: 184,005 km (0.093 R)
• M2: 706,551 km (0.104 R)
• M3: 1,189,303 km (0.107 R)
• M4: 1,871,918 km (0.106 R)
• M5: 3,022,326 km (0.094 R)
• M6: 3,678,911 km (0.104 R)
• M7: 4,335,047 km (0.094 R)
• M8: 4,882,725 km (0.085 R)
• M9: 5,700,277 km (0.039 R)
• M10: 6,214,445 km (0.083 R)
• M11: 7,255,646 km (0.085 R)
• M12: 8,146,950 km (0.094 R)
• M13: 8,679,668 km (0.107 R)
• M14: 11,813,445 km (0.078 R)
• M15: 12,888,754 km (0.079 R)
• M16: 13,572,865 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.5

Radius: 9.4

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.17 AU - 3.23 AU

Year: 4024 Days

Day: 11.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,847,302 km

• M1: 116,986 km (0.107 R)
• M2: 537,206 km (0.07 R)
• M3: 848,669 km (0.066 R)
• M4: 1,771,239 km (0.086 R)
• M5: 2,376,512 km (0.11 R)
• M6: 2,891,428 km (0.069 R)
• M7: 3,893,135 km (0.104 R)
• M8: 4,406,555 km (0.109 R)
• M9: 5,311,024 km (0.104 R)
• M10: 5,647,469 km (0.119 R)
• M11: 7,262,827 km (0.068 R)
• M12: 8,803,685 km (0.096 R)
• M13: 10,192,552 km (0.091 R)
• M14: 11,084,753 km (0.11 R)
• M15: 12,746,935 km (0.095 R)
• M16: 13,257,662 km (0.056 R)
• M17: 13,733,683 km (0.112 R)
• M18: 14,171,855 km (0.079 R)
• M19: 14,519,072 km (0.063 R)
• M20: 15,805,763 km (0.104 R)
• M21: 16,125,603 km (0.084 R)
• M22: 17,504,896 km (0.116 R)
• M23: 18,020,260 km (0.091 R)
• M24: 19,201,635 km (0.097 R)
• M25: 21,198,018 km (0.043 R)

Asteroid Belt

Center: 4.8 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 559.7

Radius: 5.2

Gravity: 20.7 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.71 AU - 7.09 AU

Year: 11381 Days

Day: 19.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 48,847,302 km

• M1: 65,075 km (0.099 R)
• M2: 257,009 km (0.071 R)
• M3: 516,412 km (0.056 R)
• M4: 799,750 km (0.082 R)
• M5: 1,291,778 km (0.057 R)
• M6: 1,849,778 km (0.113 R)
• M7: 2,359,757 km (0.097 R)
• M8: 2,616,616 km (0.1 R)
• M9: 3,048,356 km (0.106 R)
• M10: 3,835,989 km (0.098 R)
• M11: 4,690,192 km (0.103 R)
• M12: 5,910,013 km (0.044 R)
• M13: 7,043,367 km (0.094 R)
• M14: 7,409,882 km (0.074 R)
• M15: 7,746,178 km (0.107 R)
• M16: 8,816,551 km (0.053 R)
• M17: 10,707,468 km (0.082 R)
• M18: 11,028,804 km (0.119 R)
• M19: 11,411,924 km (0.072 R)
• M20: 12,089,154 km (0.042 R)
• M21: 12,555,300 km (0.084 R)
• M22: 12,733,172 km (0.082 R)
• M23: 12,912,839 km (0.093 R)
• M24: 13,647,963 km (0.088 R)
• M25: 14,540,464 km (0.089 R)
• M26: 17,746,795 km (0.118 R)
• M27: 21,310,516 km (0.116 R)
• M28: 22,422,477 km (0.094 R)
• M29: 26,472,839 km (0.114 R)
• M30: 27,060,310 km (0.105 R)
• M31: 29,393,289 km (0.061 R)
• M32: 35,037,766 km (0.1 R)
• M33: 35,390,667 km (0.055 R)
• M34: 36,223,180 km (0.075 R)
• M35: 37,927,399 km (0.109 R)
• M36: 38,299,448 km (0.097 R)
• M37: 38,924,768 km (0.108 R)
• M38: 42,955,233 km (0.032 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: 166 - 19,528 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit