🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.3

Radius: 8.1

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.62 AU - 0.64 AU

Year: 345 Days

Day: 7.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,340,300 km

• M1: 100,679 km (0.107 R)
• M2: 375,491 km (0.11 R)
• M3: 680,222 km (0.089 R)
• M4: 1,097,450 km (0.04 R)
• M5: 1,392,906 km (0.082 R)
• M6: 1,913,058 km (0.096 R)
• M7: 2,199,837 km (0.103 R)
• M8: 2,490,655 km (0.086 R)
• M9: 3,140,957 km (0.117 R)
• M10: 3,398,265 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.7

Radius: 11.7

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.72 AU - 1.08 AU

Year: 589 Days

Day: 10.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,340,300 km

• M1: 145,559 km (0.1 R)
• M2: 617,690 km (0.099 R)
• M3: 1,067,830 km (0.102 R)
• M4: 1,755,531 km (0.092 R)
• M5: 2,219,883 km (0.116 R)
• M6: 2,915,962 km (0.079 R)
• M7: 3,387,045 km (0.118 R)
• M8: 3,937,715 km (0.03 R)
• M9: 4,825,279 km (0.028 R)
• M10: 5,219,320 km (0.038 R)
• M11: 6,033,581 km (0.084 R)
• M12: 6,761,225 km (0.084 R)
• M13: 7,234,104 km (0.029 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.7

Radius: 11.9

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.12 AU - 1.22 AU

Year: 874 Days

Day: 10.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,340,300 km

• M1: 148,850 km (0.085 R)
• M2: 577,747 km (0.104 R)
• M3: 983,157 km (0.102 R)
• M4: 1,983,967 km (0.102 R)
• M5: 3,063,465 km (0.045 R)
• M6: 3,543,076 km (0.101 R)
• M7: 4,184,851 km (0.119 R)
• M8: 4,654,738 km (0.074 R)
• M9: 5,030,079 km (0.084 R)
• M10: 5,741,117 km (0.057 R)
• M11: 6,920,846 km (0.052 R)
• M12: 8,515,709 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.7

Radius: 9.7

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.1 AU - 1.28 AU

Year: 896 Days

Day: 5.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,340,300 km

• M1: 120,576 km (0.104 R)
• M2: 446,849 km (0.101 R)
• M3: 974,780 km (0.094 R)
• M4: 1,490,743 km (0.105 R)
• M5: 1,930,112 km (0.118 R)
• M6: 2,357,812 km (0.106 R)
• M7: 5,624,282 km (0.086 R)
• M8: 5,997,678 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.5

Radius: 8.6

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.43 AU - 1.55 AU

Year: 1255 Days

Day: 12 Hours

Environment

Temp: -189 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,340,300 km

• M1: 107,112 km (0.113 R)
• M2: 393,742 km (0.065 R)
• M3: 685,308 km (0.066 R)
• M4: 1,092,214 km (0.046 R)
• M5: 1,728,155 km (0.052 R)
• M6: 2,162,437 km (0.088 R)
• M7: 2,602,405 km (0.027 R)
• M8: 3,327,805 km (0.063 R)
• M9: 3,689,383 km (0.096 R)
• M10: 4,733,875 km (0.068 R)
• M11: 5,174,890 km (0.044 R)
• M12: 5,698,781 km (0.094 R)
• M13: 6,337,415 km (0.1 R)
• M14: 6,663,837 km (0.111 R)
• M15: 7,619,768 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.3

Radius: 13.2

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 4.55 AU - 6.35 AU

Year: 8782 Days

Day: 6 Hours

Environment

Temp: -227 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 45,340,300 km

• M1: 164,109 km (0.049 R)
• M2: 578,196 km (0.103 R)
• M3: 1,066,334 km (0.064 R)
• M4: 1,701,975 km (0.111 R)
• M5: 3,137,067 km (0.115 R)
• M6: 3,701,201 km (0.048 R)
• M7: 4,567,522 km (0.053 R)
• M8: 6,230,003 km (0.072 R)
• M9: 7,271,803 km (0.076 R)
• M10: 8,265,731 km (0.082 R)
• M11: 8,837,494 km (0.114 R)
• M12: 9,611,214 km (0.1 R)
• M13: 11,642,753 km (0.116 R)
• M14: 12,153,630 km (0.117 R)
• M15: 14,581,604 km (0.117 R)
• M16: 18,460,377 km (0.09 R)
• M17: 18,945,374 km (0.112 R)
• M18: 19,367,988 km (0.08 R)
• M19: 19,868,991 km (0.056 R)
• M20: 23,459,788 km (0.103 R)
• M21: 26,927,617 km (0.099 R)
• M22: 27,913,167 km (0.083 R)
• M23: 30,146,963 km (0.067 R)
• M24: 31,307,543 km (0.07 R)
• M25: 33,205,491 km (0.043 R)
• M26: 33,820,638 km (0.115 R)
• M27: 34,757,420 km (0.108 R)
• M28: 35,391,415 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 257.4

Radius: 4.8

Gravity: 11.17 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 6.22 AU - 9.36 AU

Year: 15008 Days

Day: 15.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,340,300 km

• M1: 67,618 km (0.111 R)
• M2: 332,706 km (0.111 R)
• M3: 535,261 km (0.111 R)
• M4: 828,323 km (0.078 R)
• M5: 1,357,152 km (0.084 R)
• M6: 1,871,021 km (0.114 R)
• M7: 2,119,951 km (0.1 R)
• M8: 3,890,592 km (0.062 R)
• M9: 5,036,063 km (0.105 R)
• M10: 10,388,226 km (0.117 R)
• M11: 11,653,674 km (0.065 R)
• M12: 15,392,125 km (0.072 R)
• M13: 19,702,339 km (0.116 R)
• M14: 42,938,927 km (0.12 R)
• M15: 43,465,063 km (0.07 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: 285 - 16,975 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit