🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.9

Radius: 10.8

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.72 AU - 0.8 AU

Year: 449 Days

Day: 6.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,777,494 km

• M1: 134,339 km (0.112 R)
• M2: 488,886 km (0.118 R)
• M3: 908,807 km (0.076 R)
• M4: 1,330,823 km (0.11 R)
• M5: 1,737,430 km (0.074 R)
• M6: 2,176,799 km (0.085 R)
• M7: 2,519,378 km (0.086 R)
• M8: 3,064,812 km (0.108 R)
• M9: 3,568,508 km (0.111 R)
• M10: 3,946,990 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.8

Radius: 10.5

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 4.43 AU - 6.35 AU

Year: 8487 Days

Day: 11.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,777,494 km

• M1: 130,749 km (0.074 R)
• M2: 590,912 km (0.113 R)
• M3: 1,344,436 km (0.112 R)
• M4: 1,824,346 km (0.117 R)
• M5: 2,329,538 km (0.076 R)
• M6: 3,196,607 km (0.089 R)
• M7: 3,529,612 km (0.12 R)
• M8: 5,465,857 km (0.055 R)
• M9: 6,841,410 km (0.114 R)
• M10: 7,360,215 km (0.102 R)
• M11: 9,475,679 km (0.094 R)
• M12: 9,840,847 km (0.11 R)
• M13: 10,406,477 km (0.089 R)
• M14: 11,550,900 km (0.102 R)
• M15: 12,020,787 km (0.119 R)
• M16: 12,999,157 km (0.078 R)
• M17: 13,912,602 km (0.092 R)
• M18: 20,163,100 km (0.099 R)
• M19: 22,901,938 km (0.04 R)
• M20: 26,235,577 km (0.062 R)
• M21: 30,468,898 km (0.107 R)
• M22: 35,682,982 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.2

Radius: 11.2

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 4.7 AU - 6.08 AU

Year: 8487 Days

Day: 11.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,777,494 km

• M1: 328,966 km (0.1 R)
• M2: 772,075 km (0.071 R)
• M3: 1,951,803 km (0.071 R)
• M4: 3,627,300 km (0.066 R)
• M5: 4,339,236 km (0.094 R)
• M6: 6,307,046 km (0.081 R)
• M7: 9,910,560 km (0.113 R)
• M8: 11,200,093 km (0.05 R)
• M9: 23,600,560 km (0.112 R)
• M10: 24,347,502 km (0.112 R)
• M11: 26,328,028 km (0.097 R)
• M12: 33,531,166 km (0.047 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 483.9

Radius: 4.2

Gravity: 27.43 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 7.3 AU - 9.48 AU

Year: 16483 Days

Day: 22.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,777,494 km

• M1: 52,210 km (0.106 R)
• M2: 344,673 km (0.104 R)
• M3: 507,286 km (0.084 R)
• M4: 814,860 km (0.049 R)
• M5: 971,040 km (0.103 R)
• M6: 1,791,135 km (0.114 R)
• M7: 1,930,261 km (0.11 R)
• M8: 2,852,233 km (0.107 R)
• M9: 3,190,773 km (0.109 R)
• M10: 3,343,812 km (0.071 R)
• M11: 5,921,084 km (0.105 R)
• M12: 8,963,007 km (0.061 R)
• M13: 9,114,849 km (0.12 R)
• M14: 10,281,712 km (0.082 R)
• M15: 10,504,164 km (0.107 R)
• M16: 12,907,603 km (0.077 R)
• M17: 13,895,997 km (0.097 R)
• M18: 15,727,075 km (0.061 R)
• M19: 25,767,784 km (0.101 R)
• M20: 26,075,058 km (0.043 R)
• M21: 26,281,354 km (0.088 R)
• M22: 31,681,239 km (0.115 R)
• M23: 36,344,803 km (0.102 R)
• M24: 57,103,003 km (0.074 R)
• M25: 58,326,714 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 432.6

Radius: 4.6

Gravity: 20.44 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 8.59 AU - 8.89 AU

Year: 17525 Days

Day: 19.3 Hours

Environment

Temp: -242 °C

Axial Tilt: 66.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,777,494 km

• M1: 57,146 km (0.028 R)
• M2: 239,207 km (0.047 R)
• M3: 479,910 km (0.065 R)
• M4: 1,469,051 km (0.108 R)
• M5: 3,518,692 km (0.032 R)
• M6: 4,264,138 km (0.093 R)
• M7: 6,218,035 km (0.1 R)
• M8: 6,997,590 km (0.089 R)
• M9: 11,469,968 km (0.069 R)
• M10: 12,764,289 km (0.033 R)
• M11: 16,916,228 km (0.085 R)
• M12: 19,932,869 km (0.096 R)
• M13: 22,627,426 km (0.091 R)
• M14: 24,552,751 km (0.064 R)
• M15: 24,850,749 km (0.077 R)
• M16: 25,453,779 km (0.103 R)
• M17: 34,950,401 km (0.083 R)
• M18: 38,843,237 km (0.117 R)
• M19: 43,884,236 km (0.101 R)
• M20: 44,176,401 km (0.054 R)
• M21: 55,579,947 km (0.115 R)
• M22: 56,956,547 km (0.069 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: 427 - 13,312 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit