🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.2

Radius: 9.1

Gravity: 12.07 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.67 AU - 0.69 AU

Year: 380 Days

Day: 9.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,698,190 km

• M1: 113,246 km (0.097 R)
• M2: 401,820 km (0.056 R)
• M3: 712,086 km (0.1 R)
• M4: 1,047,634 km (0.092 R)
• M5: 1,352,514 km (0.041 R)
• M6: 1,785,750 km (0.118 R)
• M7: 2,156,603 km (0.06 R)
• M8: 2,558,572 km (0.119 R)
• M9: 3,066,008 km (0.113 R)
• M10: 3,938,164 km (0.115 R)
• M11: 4,571,412 km (0.074 R)
• M12: 5,014,371 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.5

Radius: 14.9

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.16 AU - 1.26 AU

Year: 903 Days

Day: 12.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,698,190 km

• M1: 186,249 km (0.119 R)
• M2: 715,377 km (0.031 R)
• M3: 1,373,608 km (0.094 R)
• M4: 1,978,432 km (0.046 R)
• M5: 2,478,388 km (0.1 R)
• M6: 3,863,215 km (0.075 R)
• M7: 4,471,032 km (0.026 R)
• M8: 5,935,744 km (0.064 R)
• M9: 7,035,737 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.2

Radius: 10.8

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.73 AU - 1.87 AU

Year: 1638 Days

Day: 11 Hours

Environment

Temp: -198 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,698,190 km

• M1: 134,488 km (0.09 R)
• M2: 652,546 km (0.099 R)
• M3: 1,049,579 km (0.032 R)
• M4: 1,478,326 km (0.089 R)
• M5: 1,878,201 km (0.093 R)
• M6: 2,467,168 km (0.098 R)
• M7: 3,113,281 km (0.072 R)
• M8: 3,797,093 km (0.113 R)
• M9: 4,165,553 km (0.113 R)
• M10: 4,639,329 km (0.102 R)
• M11: 5,394,798 km (0.07 R)
• M12: 5,886,227 km (0.086 R)
• M13: 7,400,307 km (0.118 R)
• M14: 9,224,354 km (0.115 R)
• M15: 9,689,903 km (0.101 R)
• M16: 10,560,114 km (0.067 R)
• M17: 12,336,289 km (0.036 R)
• M18: 13,108,065 km (0.038 R)
• M19: 14,613,618 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.5

Radius: 9

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.12 AU - 2.62 AU

Year: 2475 Days

Day: 11.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,698,190 km

• M1: 112,946 km (0.04 R)
• M2: 460,163 km (0.051 R)
• M3: 793,766 km (0.102 R)
• M4: 1,170,903 km (0.025 R)
• M5: 1,561,054 km (0.04 R)
• M6: 1,856,659 km (0.057 R)
• M7: 2,189,963 km (0.118 R)
• M8: 2,505,316 km (0.089 R)
• M9: 2,788,654 km (0.055 R)
• M10: 3,695,217 km (0.074 R)
• M11: 4,165,403 km (0.099 R)
• M12: 4,543,886 km (0.065 R)
• M13: 5,896,400 km (0.062 R)
• M14: 6,707,370 km (0.083 R)
• M15: 7,318,178 km (0.101 R)
• M16: 7,839,228 km (0.073 R)
• M17: 9,587,877 km (0.059 R)
• M18: 11,460,244 km (0.102 R)
• M19: 12,590,157 km (0.105 R)
• M20: 13,383,474 km (0.12 R)
• M21: 15,167,579 km (0.084 R)
• M22: 16,945,998 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714

Radius: 12.2

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.85 AU - 3.25 AU

Year: 3613 Days

Day: 5.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,698,190 km

• M1: 151,692 km (0.056 R)
• M2: 633,996 km (0.05 R)
• M3: 1,114,654 km (0.097 R)
• M4: 1,506,750 km (0.067 R)
• M5: 1,902,885 km (0.051 R)
• M6: 2,296,178 km (0.11 R)
• M7: 2,861,358 km (0.068 R)
• M8: 3,967,036 km (0.078 R)
• M9: 4,689,145 km (0.028 R)
• M10: 5,391,208 km (0.094 R)
• M11: 5,906,573 km (0.085 R)
• M12: 7,923,750 km (0.082 R)
• M13: 10,738,135 km (0.061 R)
• M14: 12,140,166 km (0.117 R)
• M15: 12,790,468 km (0.102 R)
• M16: 13,220,861 km (0.03 R)
• M17: 14,262,511 km (0.03 R)
• M18: 14,777,427 km (0.118 R)
• M19: 18,192,148 km (0.102 R)
• M20: 20,050,603 km (0.082 R)
• M21: 21,091,953 km (0.097 R)
• M22: 22,306,239 km (0.102 R)
• M23: 23,709,467 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 667.5

Radius: 7.2

Gravity: 12.88 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 7.27 AU - 8.09 AU

Year: 14436 Days

Day: 16.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,698,190 km

• M1: 96,640 km (0.104 R)
• M2: 361,728 km (0.045 R)
• M3: 1,567,786 km (0.079 R)
• M4: 2,075,521 km (0.081 R)
• M5: 2,535,385 km (0.108 R)
• M6: 3,159,507 km (0.107 R)
• M7: 4,175,725 km (0.103 R)
• M8: 5,182,369 km (0.079 R)
• M9: 10,905,386 km (0.066 R)
• M10: 12,474,069 km (0.084 R)
• M11: 19,741,384 km (0.101 R)
• M12: 30,888,968 km (0.078 R)
• M13: 41,252,062 km (0.079 R)
• M14: 42,386,163 km (0.112 R)
• M15: 44,865,000 km (0.11 R)
• M16: 47,593,216 km (0.055 R)
• M17: 48,214,197 km (0.115 R)
• M18: 56,092,619 km (0.069 R)
• M19: 59,613,704 km (0.119 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 427 - 14,633 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit