🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.53 AU - 0.59 AU

Year: 275 Days

Day: 45.5 Hours

Environment

Temp: -125 °C

Axial Tilt: 2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 60,410,280 km

• M1: 136,134 km (0.058 R)
• M2: 246,388 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.5

Radius: 15

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.6 AU - 0.78 AU

Year: 376 Days

Day: 14.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,410,280 km

• M1: 186,997 km (0.12 R)
• M2: 714,180 km (0.081 R)
• M3: 1,287,140 km (0.073 R)
• M4: 1,944,324 km (0.12 R)
• M5: 2,841,612 km (0.109 R)
• M6: 3,358,622 km (0.111 R)
• M7: 4,461,457 km (0.062 R)
• M8: 5,105,327 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.7

Radius: 13.1

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.4 AU - 2 AU

Year: 1454 Days

Day: 14.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 72.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,410,280 km

• M1: 162,912 km (0.057 R)
• M2: 696,378 km (0.035 R)
• M3: 1,212,790 km (0.106 R)
• M4: 1,913,058 km (0.108 R)
• M5: 2,415,557 km (0.113 R)
• M6: 3,094,432 km (0.027 R)
• M7: 3,706,138 km (0.099 R)
• M8: 4,479,559 km (0.092 R)
• M9: 5,047,133 km (0.051 R)
• M10: 5,623,683 km (0.117 R)
• M11: 6,327,392 km (0.103 R)
• M12: 6,799,074 km (0.074 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 96

Radius: 6

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 6.53 AU - 7.33 AU

Year: 11968 Days

Day: 16.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,410,280 km

• M1: 80,633 km (0.097 R)
• M2: 461,509 km (0.093 R)
• M3: 1,647,222 km (0.116 R)
• M4: 1,852,620 km (0.102 R)
• M5: 2,852,682 km (0.102 R)
• M6: 3,490,118 km (0.112 R)
• M7: 4,241,698 km (0.092 R)
• M8: 4,655,785 km (0.109 R)
• M9: 5,230,989 km (0.054 R)
• M10: 5,479,620 km (0.11 R)
• M11: 5,678,286 km (0.084 R)
• M12: 7,726,132 km (0.094 R)
• M13: 8,759,703 km (0.119 R)
• M14: 9,071,316 km (0.094 R)
• M15: 10,829,689 km (0.045 R)
• M16: 11,695,113 km (0.054 R)
• M17: 12,903,116 km (0.115 R)
• M18: 15,171,318 km (0.092 R)
• M19: 24,453,866 km (0.098 R)
• M20: 26,258,017 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 971.9

Radius: 8

Gravity: 15.19 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 6.68 AU - 8.76 AU

Year: 14071 Days

Day: 22.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 60,410,280 km

• M1: 102,325 km (0.092 R)
• M2: 467,643 km (0.11 R)
• M3: 2,312,484 km (0.11 R)
• M4: 3,095,479 km (0.091 R)
• M5: 3,576,137 km (0.11 R)
• M6: 4,013,860 km (0.094 R)
• M7: 5,735,433 km (0.098 R)
• M8: 6,889,730 km (0.094 R)
• M9: 7,429,180 km (0.094 R)
• M10: 7,804,072 km (0.098 R)
• M11: 13,276,362 km (0.108 R)
• M12: 13,829,126 km (0.073 R)
• M13: 15,428,627 km (0.082 R)
• M14: 16,429,736 km (0.098 R)
• M15: 16,906,055 km (0.092 R)
• M16: 19,515,491 km (0.058 R)
• M17: 21,054,853 km (0.101 R)
• M18: 21,522,496 km (0.078 R)
• M19: 26,156,290 km (0.078 R)
• M20: 26,588,179 km (0.05 R)
• M21: 27,800,371 km (0.112 R)
• M22: 28,819,282 km (0.085 R)
• M23: 29,164,404 km (0.097 R)
• M24: 30,216,227 km (0.083 R)
• M25: 31,779,973 km (0.102 R)
• M26: 32,395,419 km (0.101 R)
• M27: 38,436,630 km (0.102 R)
• M28: 44,265,412 km (0.109 R)
• M29: 49,168,482 km (0.106 R)
• M30: 51,328,077 km (0.105 R)
• M31: 53,550,203 km (0.057 R)
• M32: 63,080,785 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 331.4

Radius: 3.2

Gravity: 32.36 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 8.18 AU - 11.56 AU

Year: 20342 Days

Day: 20.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 60,410,280 km

• M1: 39,793 km (0.09 R)
• M2: 201,957 km (0.04 R)
• M3: 614,997 km (0.115 R)
• M4: 853,605 km (0.087 R)
• M5: 1,100,891 km (0.108 R)
• M6: 1,786,647 km (0.037 R)
• M7: 2,249,054 km (0.108 R)
• M8: 2,412,565 km (0.058 R)
• M9: 2,740,633 km (0.103 R)
• M10: 3,732,168 km (0.088 R)
• M11: 4,139,971 km (0.109 R)
• M12: 5,468,101 km (0.111 R)
• M13: 6,428,370 km (0.062 R)
• M14: 7,098,868 km (0.069 R)
• M15: 7,451,021 km (0.058 R)
• M16: 8,190,184 km (0.113 R)
• M17: 8,577,493 km (0.104 R)
• M18: 8,725,745 km (0.088 R)
• M19: 9,078,496 km (0.108 R)
• M20: 10,029,191 km (0.066 R)
• M21: 10,360,401 km (0.031 R)
• M22: 10,641,794 km (0.109 R)
• M23: 11,757,944 km (0.099 R)
• M24: 13,014,716 km (0.08 R)
• M25: 13,145,165 km (0.079 R)
• M26: 16,089,101 km (0.081 R)
• M27: 17,633,849 km (0.109 R)
• M28: 18,278,466 km (0.095 R)
• M29: 20,393,930 km (0.092 R)
• M30: 22,572,972 km (0.08 R)
• M31: 23,045,702 km (0.107 R)
• M32: 24,503,383 km (0.03 R)
• M33: 27,816,228 km (0.034 R)
• M34: 33,692,881 km (0.05 R)
• M35: 36,593,883 km (0.104 R)
• M36: 37,508,824 km (0.104 R)
• M37: 39,248,198 km (0.069 R)
• M38: 39,657,049 km (0.117 R)
• M39: 47,665,472 km (0.049 R)
• M40: 53,451,768 km (0.058 R)
• M41: 55,822,745 km (0.06 R)
• M42: 58,794,955 km (0.114 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 16,853 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit