🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627

Radius: 8.2

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.63 AU - 0.93 AU

Year: 459 Days

Day: 14.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 71.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,028,308 km

• M1: 102,026 km (0.065 R)
• M2: 458,069 km (0.119 R)
• M3: 783,893 km (0.043 R)
• M4: 1,160,281 km (0.117 R)
• M5: 1,453,493 km (0.084 R)
• M6: 1,713,344 km (0.041 R)
• M7: 2,328,790 km (0.036 R)
• M8: 3,083,661 km (0.054 R)
• M9: 3,554,894 km (0.04 R)
• M10: 4,086,864 km (0.119 R)
• M11: 4,480,007 km (0.083 R)
• M12: 4,791,171 km (0.12 R)
• M13: 5,244,752 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.8

Radius: 13.3

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.99 AU - 1.05 AU

Year: 687 Days

Day: 7.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,028,308 km

• M1: 165,754 km (0.086 R)
• M2: 608,265 km (0.114 R)
• M3: 1,401,882 km (0.094 R)
• M4: 1,924,726 km (0.114 R)
• M5: 2,644,890 km (0.05 R)
• M6: 3,566,563 km (0.099 R)
• M7: 4,049,016 km (0.105 R)
• M8: 4,760,354 km (0.089 R)
• M9: 5,477,975 km (0.092 R)
• M10: 7,040,225 km (0.096 R)
• M11: 7,804,371 km (0.116 R)
• M12: 8,444,650 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594

Radius: 8.4

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.91 AU - 1.21 AU

Year: 728 Days

Day: 14.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,028,308 km

• M1: 104,569 km (0.097 R)
• M2: 465,249 km (0.096 R)
• M3: 742,753 km (0.058 R)
• M4: 1,184,815 km (0.054 R)
• M5: 1,719,328 km (0.037 R)
• M6: 2,364,993 km (0.117 R)
• M7: 2,721,335 km (0.107 R)
• M8: 3,039,380 km (0.071 R)
• M9: 3,421,752 km (0.106 R)
• M10: 3,793,054 km (0.042 R)
• M11: 4,298,695 km (0.104 R)
• M12: 5,426,513 km (0.107 R)
• M13: 6,614,619 km (0.049 R)
• M14: 7,170,525 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.7

Radius: 14.5

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.19 AU - 3.11 AU

Year: 2877 Days

Day: 10.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,028,308 km

• M1: 180,415 km (0.075 R)
• M2: 768,185 km (0.093 R)
• M3: 3,267,367 km (0.108 R)
• M4: 4,476,118 km (0.099 R)
• M5: 6,409,970 km (0.094 R)
• M6: 7,091,837 km (0.085 R)
• M7: 7,591,942 km (0.078 R)
• M8: 8,325,720 km (0.055 R)
• M9: 8,946,551 km (0.037 R)
• M10: 10,563,255 km (0.092 R)
• M11: 12,767,879 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.6

Radius: 13.3

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 3.73 AU - 5.53 AU

Year: 6644 Days

Day: 10.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,028,308 km

• M1: 165,455 km (0.04 R)
• M2: 596,148 km (0.075 R)
• M3: 1,827,338 km (0.12 R)
• M4: 2,710,265 km (0.072 R)
• M5: 3,332,592 km (0.044 R)
• M6: 3,791,558 km (0.079 R)
• M7: 4,243,344 km (0.106 R)
• M8: 5,314,016 km (0.071 R)
• M9: 7,035,737 km (0.079 R)
• M10: 8,024,579 km (0.07 R)
• M11: 8,774,364 km (0.089 R)
• M12: 9,570,524 km (0.094 R)
• M13: 11,648,588 km (0.082 R)
• M14: 14,012,234 km (0.104 R)
• M15: 15,515,244 km (0.084 R)
• M16: 16,121,115 km (0.1 R)
• M17: 17,901,779 km (0.051 R)
• M18: 21,926,560 km (0.066 R)
• M19: 22,459,128 km (0.102 R)
• M20: 24,270,160 km (0.082 R)
• M21: 26,432,448 km (0.111 R)
• M22: 30,098,942 km (0.111 R)
• M23: 30,757,173 km (0.082 R)
• M24: 31,233,193 km (0.088 R)
• M25: 31,714,001 km (0.119 R)

Asteroid Belt

Center: 6.04 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 291.3

Radius: 5.7

Gravity: 8.97 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 7.38 AU - 7.52 AU

Year: 13560 Days

Day: 20.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,028,308 km

• M1: 77,791 km (0.107 R)
• M2: 784,940 km (0.094 R)
• M3: 1,237,623 km (0.099 R)
• M4: 6,057,966 km (0.077 R)
• M5: 9,311,271 km (0.104 R)
• M6: 11,682,696 km (0.092 R)
• M7: 14,366,332 km (0.066 R)
• M8: 17,151,845 km (0.094 R)
• M9: 24,558,286 km (0.059 R)
• M10: 28,309,901 km (0.105 R)
• M11: 40,809,402 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 623.9

Radius: 4.5

Gravity: 30.81 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 6.63 AU - 10.13 AU

Year: 16177 Days

Day: 20.6 Hours

Environment

Temp: -242 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 64,028,308 km

• M1: 55,950 km (0.082 R)
• M2: 359,334 km (0.113 R)
• M3: 501,751 km (0.109 R)
• M4: 929,302 km (0.096 R)
• M5: 1,273,676 km (0.103 R)
• M6: 1,681,630 km (0.092 R)
• M7: 2,036,476 km (0.115 R)
• M8: 2,191,758 km (0.1 R)
• M9: 2,548,250 km (0.074 R)
• M10: 2,798,827 km (0.103 R)
• M11: 3,375,826 km (0.052 R)
• M12: 3,538,588 km (0.073 R)
• M13: 3,735,160 km (0.027 R)
• M14: 6,121,694 km (0.11 R)
• M15: 7,674,820 km (0.096 R)
• M16: 8,004,683 km (0.102 R)
• M17: 8,743,248 km (0.099 R)
• M18: 9,050,970 km (0.11 R)
• M19: 9,633,953 km (0.083 R)
• M20: 13,805,041 km (0.108 R)
• M21: 17,787,037 km (0.117 R)
• M22: 21,998,516 km (0.038 R)
• M23: 28,360,615 km (0.07 R)
• M24: 32,809,805 km (0.041 R)
• M25: 33,303,628 km (0.103 R)
• M26: 34,179,523 km (0.09 R)
• M27: 35,716,791 km (0.113 R)
• M28: 36,108,288 km (0.104 R)
• M29: 45,459,203 km (0.114 R)
• M30: 48,902,198 km (0.088 R)
• M31: 49,870,395 km (0.117 R)
• M32: 52,346,988 km (0.1 R)
• M33: 61,378,959 km (0.026 R)
• M34: 62,316,489 km (0.084 R)
• M35: 63,073,454 km (0.101 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: 365 - 20,263 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit