🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.49 AU - 0.77 AU

Year: 318 Days

Day: 37.8 Hours

Environment

Temp: -121 °C

Axial Tilt: 20.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 79,566,519 km

• M1: 140,173 km (0.119 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.53 AU - 0.79 AU

Year: 341 Days

Day: 20.7 Hours

Environment

Temp: -133 °C

Axial Tilt: 3.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.3

Radius: 9.2

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 3.47 AU - 3.81 AU

Year: 4416 Days

Day: 10.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 79,566,519 km

• M1: 118,631 km (0.043 R)
• M2: 344,075 km (0.083 R)
• M3: 556,354 km (0.08 R)
• M4: 867,368 km (0.117 R)
• M5: 1,462,918 km (0.042 R)
• M6: 1,649,466 km (0.11 R)
• M7: 1,836,613 km (0.108 R)
• M8: 2,205,821 km (0.036 R)
• M9: 2,749,010 km (0.095 R)
• M10: 3,216,653 km (0.072 R)
• M11: 3,705,988 km (0.113 R)
• M12: 5,813,373 km (0.025 R)
• M13: 7,301,124 km (0.12 R)
• M14: 8,085,316 km (0.03 R)
• M15: 8,580,186 km (0.073 R)
• M16: 9,482,261 km (0.106 R)
• M17: 9,909,812 km (0.106 R)
• M18: 10,485,614 km (0.072 R)
• M19: 10,963,579 km (0.03 R)
• M20: 11,715,608 km (0.082 R)
• M21: 12,160,961 km (0.101 R)
• M22: 13,107,765 km (0.068 R)
• M23: 14,513,237 km (0.12 R)
• M24: 15,276,635 km (0.093 R)
• M25: 15,614,577 km (0.073 R)
• M26: 15,956,408 km (0.09 R)
• M27: 17,217,668 km (0.119 R)
• M28: 17,396,736 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.3

Radius: 14.4

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 4.29 AU - 7.07 AU

Year: 8607 Days

Day: 10.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 79,566,519 km

• M1: 180,116 km (0.11 R)
• M2: 461,061 km (0.087 R)
• M3: 1,958,535 km (0.093 R)
• M4: 2,697,100 km (0.111 R)
• M5: 3,610,245 km (0.102 R)
• M6: 4,019,994 km (0.105 R)
• M7: 4,531,619 km (0.087 R)
• M8: 5,075,108 km (0.093 R)
• M9: 5,503,855 km (0.091 R)
• M10: 6,227,011 km (0.103 R)
• M11: 6,702,433 km (0.061 R)
• M12: 7,062,515 km (0.038 R)
• M13: 7,952,024 km (0.113 R)
• M14: 8,380,922 km (0.087 R)
• M15: 9,349,418 km (0.101 R)
• M16: 10,820,863 km (0.094 R)
• M17: 11,153,269 km (0.091 R)
• M18: 13,164,613 km (0.075 R)
• M19: 13,810,427 km (0.09 R)
• M20: 14,139,093 km (0.102 R)
• M21: 15,246,865 km (0.079 R)
• M22: 15,791,551 km (0.089 R)
• M23: 16,910,095 km (0.103 R)
• M24: 17,221,856 km (0.061 R)
• M25: 17,536,461 km (0.099 R)
• M26: 23,325,300 km (0.103 R)
• M27: 23,937,754 km (0.114 R)
• M28: 24,308,906 km (0.096 R)
• M29: 24,683,050 km (0.12 R)
• M30: 31,130,270 km (0.06 R)
• M31: 31,624,691 km (0.099 R)
• M32: 33,058,736 km (0.046 R)
• M33: 35,570,035 km (0.12 R)
• M34: 36,630,834 km (0.045 R)
• M35: 37,013,505 km (0.083 R)
• M36: 37,552,656 km (0.081 R)
• M37: 38,721,165 km (0.12 R)
• M38: 39,272,583 km (0.078 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 56.9

Radius: 6.7

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 6.86 AU - 9.58 AU

Year: 14984 Days

Day: 16.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,566,519 km

• M1: 178,321 km (0.101 R)
• M2: 2,088,536 km (0.085 R)
• M3: 3,427,886 km (0.072 R)
• M4: 3,661,258 km (0.114 R)
• M5: 4,517,556 km (0.067 R)
• M6: 4,968,594 km (0.092 R)
• M7: 5,911,061 km (0.091 R)
• M8: 6,452,755 km (0.09 R)
• M9: 8,372,544 km (0.074 R)
• M10: 8,954,031 km (0.112 R)
• M11: 10,342,898 km (0.029 R)
• M12: 10,477,236 km (0.118 R)
• M13: 11,023,418 km (0.066 R)
• M14: 11,442,143 km (0.04 R)
• M15: 14,474,043 km (0.1 R)
• M16: 14,673,008 km (0.095 R)
• M17: 15,646,740 km (0.074 R)
• M18: 17,080,038 km (0.1 R)
• M19: 17,382,973 km (0.104 R)
• M20: 20,559,385 km (0.109 R)
• M21: 21,419,423 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 750

Radius: 5

Gravity: 30 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 7.97 AU - 12.25 AU

Year: 20439 Days

Day: 18.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 79,566,519 km

• M1: 63,429 km (0.095 R)
• M2: 749,785 km (0.075 R)
• M3: 1,468,602 km (0.102 R)
• M4: 1,780,215 km (0.083 R)
• M5: 1,898,995 km (0.094 R)
• M6: 4,834,405 km (0.089 R)
• M7: 6,118,553 km (0.073 R)
• M8: 7,950,977 km (0.074 R)
• M9: 8,101,921 km (0.083 R)
• M10: 8,305,524 km (0.096 R)
• M11: 8,563,431 km (0.093 R)
• M12: 10,081,700 km (0.1 R)
• M13: 11,302,119 km (0.115 R)
• M14: 12,404,057 km (0.08 R)
• M15: 13,688,953 km (0.101 R)
• M16: 14,220,624 km (0.098 R)
• M17: 14,694,251 km (0.079 R)
• M18: 16,449,333 km (0.087 R)
• M19: 20,660,214 km (0.083 R)
• M20: 27,456,894 km (0.071 R)
• M21: 27,737,689 km (0.117 R)
• M22: 28,683,746 km (0.111 R)
• M23: 29,355,441 km (0.113 R)
• M24: 37,476,660 km (0.106 R)
• M25: 38,464,754 km (0.068 R)
• M26: 38,686,159 km (0.041 R)
• M27: 41,621,419 km (0.082 R)
• M28: 41,736,460 km (0.079 R)
• M29: 44,545,160 km (0.05 R)
• M30: 45,141,905 km (0.099 R)
• M31: 47,691,352 km (0.108 R)
• M32: 50,310,961 km (0.118 R)
• M33: 53,260,432 km (0.074 R)
• M34: 53,520,882 km (0.045 R)
• M35: 56,026,946 km (0.104 R)
• M36: 58,863,621 km (0.077 R)
• M37: 59,137,385 km (0.098 R)
• M38: 62,191,276 km (0.117 R)
• M39: 64,174,794 km (0.103 R)
• M40: 64,603,840 km (0.068 R)
• M41: 66,770,766 km (0.07 R)
• M42: 68,088,124 km (0.09 R)
• M43: 68,235,179 km (0.105 R)
• M44: 68,825,492 km (0.066 R)
• M45: 71,513,018 km (0.116 R)
• M46: 78,773,452 km (0.055 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 194 - 15,938 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit