🌌 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: 959.2

Radius: 13.2

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.47 AU - 0.55 AU

Year: 251 Days

Day: 14.8 Hours

Environment

Temp: -138 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,137,189 km

• M1: 164,408 km (0.119 R)
• M2: 670,498 km (0.085 R)
• M3: 1,094,308 km (0.071 R)
• M4: 1,647,521 km (0.105 R)
• M5: 2,996,745 km (0.093 R)
• M6: 3,421,004 km (0.119 R)
• M7: 4,041,686 km (0.066 R)
• M8: 4,509,478 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.3

Radius: 8.7

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.85 AU - 0.91 AU

Year: 570 Days

Day: 8.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,137,189 km

• M1: 108,159 km (0.076 R)
• M2: 436,078 km (0.08 R)
• M3: 741,557 km (0.044 R)
• M4: 1,027,139 km (0.052 R)
• M5: 1,400,535 km (0.035 R)
• M6: 1,863,391 km (0.109 R)
• M7: 2,232,449 km (0.089 R)
• M8: 2,762,025 km (0.106 R)
• M9: 3,186,584 km (0.085 R)
• M10: 4,153,286 km (0.076 R)
• M11: 4,986,247 km (0.089 R)
• M12: 5,287,537 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.8

Radius: 10.7

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.63 AU - 2.37 AU

Year: 1952 Days

Day: 6.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 65,137,189 km

• M1: 133,292 km (0.09 R)
• M2: 578,944 km (0.074 R)
• M3: 1,327,532 km (0.112 R)
• M4: 2,023,910 km (0.109 R)
• M5: 5,578,804 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.1

Radius: 12.4

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.32 AU - 2.6 AU

Year: 2663 Days

Day: 14.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 93.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,137,189 km

• M1: 154,235 km (0.069 R)
• M2: 724,652 km (0.073 R)
• M3: 1,268,291 km (0.076 R)
• M4: 2,009,847 km (0.091 R)
• M5: 2,574,430 km (0.103 R)
• M6: 2,962,636 km (0.067 R)
• M7: 3,440,452 km (0.103 R)
• M8: 3,859,475 km (0.118 R)
• M9: 4,352,101 km (0.027 R)
• M10: 5,674,995 km (0.066 R)
• M11: 7,055,933 km (0.076 R)
• M12: 7,884,406 km (0.064 R)
• M13: 8,618,184 km (0.084 R)
• M14: 9,034,365 km (0.034 R)
• M15: 10,328,686 km (0.084 R)
• M16: 12,255,357 km (0.097 R)
• M17: 13,198,422 km (0.058 R)
• M18: 14,189,208 km (0.059 R)
• M19: 14,590,280 km (0.101 R)
• M20: 15,555,336 km (0.079 R)
• M21: 16,173,923 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.6

Radius: 10.2

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.81 AU - 4.35 AU

Year: 4676 Days

Day: 6.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,137,189 km

• M1: 132,245 km (0.084 R)
• M2: 464,950 km (0.063 R)
• M3: 941,270 km (0.057 R)
• M4: 2,613,624 km (0.093 R)
• M5: 2,990,312 km (0.066 R)
• M6: 3,748,175 km (0.101 R)
• M7: 4,629,306 km (0.114 R)
• M8: 8,949,094 km (0.103 R)
• M9: 9,730,444 km (0.036 R)
• M10: 10,096,659 km (0.081 R)
• M11: 12,490,973 km (0.044 R)
• M12: 12,826,821 km (0.111 R)
• M13: 14,179,335 km (0.082 R)
• M14: 17,224,549 km (0.072 R)
• M15: 17,821,594 km (0.101 R)
• M16: 21,423,612 km (0.048 R)
• M17: 25,483,848 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.8

Radius: 9.8

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 4.44 AU - 4.94 AU

Year: 7011 Days

Day: 13.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,137,189 km

• M1: 122,371 km (0.079 R)
• M2: 467,793 km (0.083 R)
• M3: 827,127 km (0.074 R)
• M4: 1,334,413 km (0.068 R)
• M5: 1,678,488 km (0.112 R)
• M6: 2,012,839 km (0.102 R)
• M7: 2,959,943 km (0.045 R)
• M8: 3,698,658 km (0.114 R)
• M9: 4,271,767 km (0.107 R)
• M10: 5,348,423 km (0.096 R)
• M11: 6,351,028 km (0.085 R)
• M12: 7,406,740 km (0.11 R)
• M13: 7,783,428 km (0.065 R)
• M14: 10,027,246 km (0.071 R)
• M15: 10,361,597 km (0.101 R)
• M16: 11,096,871 km (0.074 R)
• M17: 11,820,326 km (0.083 R)
• M18: 12,383,113 km (0.069 R)
• M19: 13,562,693 km (0.117 R)
• M20: 15,748,317 km (0.11 R)
• M21: 20,071,846 km (0.109 R)
• M22: 22,115,352 km (0.045 R)
• M23: 22,898,198 km (0.118 R)
• M24: 24,293,797 km (0.098 R)
• M25: 26,531,930 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 696.8

Radius: 3.2

Gravity: 68.05 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 7.53 AU - 8.53 AU

Year: 15707 Days

Day: 16.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 130.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 65,137,189 km

• M1: 40,391 km (0.095 R)
• M2: 306,376 km (0.1 R)
• M3: 438,771 km (0.104 R)
• M4: 634,145 km (0.083 R)
• M5: 771,476 km (0.095 R)
• M6: 884,572 km (0.095 R)
• M7: 1,094,009 km (0.074 R)
• M8: 1,224,010 km (0.119 R)
• M9: 1,728,005 km (0.105 R)
• M10: 1,850,675 km (0.076 R)
• M11: 2,016,878 km (0.106 R)
• M12: 2,759,632 km (0.111 R)
• M13: 2,927,630 km (0.112 R)
• M14: 3,153,523 km (0.117 R)
• M15: 3,812,951 km (0.1 R)
• M16: 4,268,775 km (0.107 R)
• M17: 6,712,456 km (0.08 R)
• M18: 7,558,582 km (0.108 R)
• M19: 8,373,890 km (0.11 R)
• M20: 8,983,352 km (0.086 R)
• M21: 11,656,666 km (0.116 R)
• M22: 12,095,437 km (0.038 R)
• M23: 13,477,571 km (0.083 R)
• M24: 14,171,257 km (0.098 R)
• M25: 14,598,807 km (0.108 R)
• M26: 15,479,340 km (0.12 R)
• M27: 17,752,630 km (0.095 R)
• M28: 21,147,155 km (0.112 R)
• M29: 22,656,448 km (0.083 R)
• M30: 28,842,170 km (0.091 R)
• M31: 33,998,510 km (0.063 R)
• M32: 35,021,011 km (0.098 R)
• M33: 46,709,242 km (0.108 R)
• M34: 51,061,643 km (0.072 R)
• M35: 57,633,776 km (0.079 R)
• M36: 61,121,501 km (0.047 R)
• M37: 63,587,323 km (0.113 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 206 - 14,430 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit