🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.9

Radius: 10.7

Gravity: 7.27 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.7 AU - 0.94 AU

Year: 472 Days

Day: 10.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,265,843 km

• M1: 133,142 km (0.093 R)
• M2: 536,757 km (0.098 R)
• M3: 951,742 km (0.05 R)
• M4: 1,519,765 km (0.097 R)
• M5: 2,068,041 km (0.054 R)
• M6: 3,277,390 km (0.111 R)
• M7: 3,731,270 km (0.093 R)
• M8: 4,844,577 km (0.112 R)
• M9: 5,317,008 km (0.025 R)
• M10: 6,110,923 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.6

Radius: 11.6

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.24 AU - 3.22 AU

Year: 2868 Days

Day: 7.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,265,843 km

• M1: 144,212 km (0.108 R)
• M2: 600,935 km (0.103 R)
• M3: 1,026,690 km (0.047 R)
• M4: 1,389,764 km (0.069 R)
• M5: 2,076,418 km (0.11 R)
• M6: 3,062,418 km (0.085 R)
• M7: 3,918,118 km (0.103 R)
• M8: 4,512,919 km (0.048 R)
• M9: 5,290,529 km (0.064 R)
• M10: 5,857,056 km (0.081 R)
• M11: 8,572,706 km (0.111 R)
• M12: 9,173,790 km (0.113 R)
• M13: 10,819,816 km (0.098 R)
• M14: 11,354,179 km (0.115 R)
• M15: 12,210,627 km (0.053 R)
• M16: 13,017,857 km (0.062 R)
• M17: 16,391,139 km (0.095 R)
• M18: 17,484,850 km (0.064 R)
• M19: 20,431,479 km (0.106 R)
• M20: 21,312,610 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.1

Radius: 11.9

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 3.14 AU - 5.1 AU

Year: 5317 Days

Day: 14.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 120.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,265,843 km

• M1: 151,094 km (0.097 R)
• M2: 639,680 km (0.105 R)
• M3: 1,866,084 km (0.114 R)
• M4: 2,570,540 km (0.104 R)
• M5: 3,329,899 km (0.086 R)
• M6: 5,160,379 km (0.111 R)
• M7: 9,208,497 km (0.115 R)
• M8: 10,651,069 km (0.116 R)
• M9: 11,502,281 km (0.119 R)
• M10: 13,214,728 km (0.112 R)
• M11: 15,182,538 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.8

Radius: 13.7

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 4.21 AU - 5.05 AU

Year: 6334 Days

Day: 5.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,265,843 km

• M1: 182,509 km (0.105 R)
• M2: 653,144 km (0.107 R)
• M3: 2,217,788 km (0.108 R)
• M4: 2,776,536 km (0.089 R)
• M5: 3,815,793 km (0.068 R)
• M6: 5,857,953 km (0.073 R)
• M7: 6,449,314 km (0.069 R)
• M8: 7,675,418 km (0.082 R)
• M9: 8,630,750 km (0.114 R)
• M10: 9,354,205 km (0.092 R)
• M11: 10,210,503 km (0.069 R)
• M12: 10,681,737 km (0.119 R)
• M13: 13,936,538 km (0.113 R)
• M14: 15,174,759 km (0.05 R)
• M15: 16,166,443 km (0.099 R)
• M16: 19,258,931 km (0.093 R)
• M17: 20,569,857 km (0.09 R)
• M18: 21,939,575 km (0.092 R)
• M19: 26,590,124 km (0.074 R)
• M20: 27,939,347 km (0.052 R)
• M21: 30,000,207 km (0.027 R)
• M22: 30,774,077 km (0.076 R)
• M23: 31,561,261 km (0.072 R)
• M24: 35,164,176 km (0.1 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 895.2

Radius: 6.4

Gravity: 21.86 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 6.08 AU - 7.16 AU

Year: 10830 Days

Day: 17.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 55,265,843 km

• M1: 80,035 km (0.066 R)
• M2: 301,440 km (0.113 R)
• M3: 1,027,289 km (0.046 R)
• M4: 1,510,789 km (0.033 R)
• M5: 2,365,442 km (0.111 R)
• M6: 3,013,200 km (0.047 R)
• M7: 3,328,104 km (0.036 R)
• M8: 3,855,287 km (0.098 R)
• M9: 4,467,292 km (0.087 R)
• M10: 5,381,484 km (0.105 R)
• M11: 5,664,075 km (0.076 R)
• M12: 6,492,996 km (0.108 R)
• M13: 7,019,282 km (0.071 R)
• M14: 7,929,136 km (0.113 R)
• M15: 8,577,792 km (0.075 R)
• M16: 10,033,080 km (0.09 R)
• M17: 11,071,439 km (0.073 R)
• M18: 12,360,973 km (0.052 R)
• M19: 13,682,520 km (0.067 R)
• M20: 15,026,209 km (0.091 R)
• M21: 15,658,708 km (0.117 R)
• M22: 21,992,084 km (0.097 R)
• M23: 25,569,567 km (0.109 R)
• M24: 26,067,429 km (0.096 R)
• M25: 28,975,462 km (0.097 R)
• M26: 30,730,694 km (0.03 R)
• M27: 39,378,947 km (0.084 R)
• M28: 53,626,798 km (0.047 R)
• M29: 55,265,792 km (0.09 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 11,760 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit