🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.3

Radius: 9

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.55 AU - 0.77 AU

Year: 364 Days

Day: 9.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,461,357 km

• M1: 111,899 km (0.103 R)
• M2: 392,395 km (0.102 R)
• M3: 692,937 km (0.09 R)
• M4: 1,056,011 km (0.063 R)
• M5: 1,374,804 km (0.117 R)
• M6: 1,879,847 km (0.085 R)
• M7: 2,188,467 km (0.039 R)
• M8: 2,576,225 km (0.109 R)
• M9: 2,879,609 km (0.102 R)
• M10: 3,804,124 km (0.11 R)
• M11: 4,161,214 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.4

Radius: 9.5

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.58 AU - 0.86 AU

Year: 414 Days

Day: 14.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,461,357 km

• M1: 118,182 km (0.092 R)
• M2: 420,071 km (0.064 R)
• M3: 813,962 km (0.099 R)
• M4: 1,178,083 km (0.032 R)
• M5: 1,506,899 km (0.066 R)
• M6: 2,083,898 km (0.08 R)
• M7: 2,571,737 km (0.079 R)
• M8: 3,156,814 km (0.095 R)
• M9: 3,553,697 km (0.116 R)
• M10: 4,505,140 km (0.093 R)
• M11: 4,963,807 km (0.108 R)
• M12: 5,453,291 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.1

Radius: 12.5

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.89 AU - 1.35 AU

Year: 804 Days

Day: 12.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,461,357 km

• M1: 155,432 km (0.115 R)
• M2: 648,058 km (0.104 R)
• M3: 1,108,371 km (0.057 R)
• M4: 1,591,572 km (0.033 R)
• M5: 2,457,743 km (0.117 R)
• M6: 3,190,773 km (0.097 R)
• M7: 3,791,708 km (0.099 R)
• M8: 4,417,326 km (0.111 R)
• M9: 4,825,130 km (0.081 R)
• M10: 7,901,161 km (0.09 R)
• M11: 8,951,488 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.2

Radius: 8.3

Gravity: 13.82 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.53 AU - 1.99 AU

Year: 1584 Days

Day: 13.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,461,357 km

• M1: 103,223 km (0.117 R)
• M2: 486,492 km (0.083 R)
• M3: 758,760 km (0.082 R)
• M4: 1,106,276 km (0.085 R)
• M5: 1,955,843 km (0.106 R)
• M6: 2,252,794 km (0.106 R)
• M7: 2,525,511 km (0.083 R)
• M8: 2,849,690 km (0.094 R)
• M9: 3,379,865 km (0.066 R)
• M10: 3,919,165 km (0.104 R)
• M11: 4,865,970 km (0.072 R)
• M12: 5,957,735 km (0.102 R)
• M13: 6,691,962 km (0.111 R)
• M14: 6,985,772 km (0.106 R)
• M15: 7,344,059 km (0.11 R)
• M16: 7,656,718 km (0.076 R)
• M17: 10,136,004 km (0.083 R)
• M18: 11,032,394 km (0.036 R)
• M19: 12,899,974 km (0.107 R)
• M20: 13,482,209 km (0.117 R)
• M21: 15,472,609 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937

Radius: 10.7

Gravity: 8.18 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.55 AU - 2.85 AU

Year: 3009 Days

Day: 11.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 32,461,357 km

• M1: 135,236 km (0.114 R)
• M2: 517,908 km (0.093 R)
• M3: 926,310 km (0.106 R)
• M4: 1,406,220 km (0.039 R)
• M5: 2,198,790 km (0.09 R)
• M6: 2,647,434 km (0.112 R)
• M7: 3,174,916 km (0.052 R)
• M8: 3,532,155 km (0.09 R)
• M9: 3,937,117 km (0.074 R)
• M10: 4,533,264 km (0.11 R)
• M11: 4,914,290 km (0.05 R)
• M12: 7,904,602 km (0.085 R)
• M13: 9,038,554 km (0.098 R)
• M14: 9,761,261 km (0.113 R)
• M15: 10,481,126 km (0.115 R)
• M16: 11,322,016 km (0.084 R)
• M17: 11,981,742 km (0.1 R)
• M18: 12,666,901 km (0.106 R)
• M19: 13,137,984 km (0.074 R)
• M20: 17,569,971 km (0.03 R)
• M21: 18,574,520 km (0.082 R)
• M22: 23,397,705 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.2

Radius: 13.9

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.75 AU - 5.85 AU

Year: 7133 Days

Day: 11.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,461,357 km

• M1: 185,352 km (0.088 R)
• M2: 787,483 km (0.049 R)
• M3: 1,343,838 km (0.058 R)
• M4: 2,365,741 km (0.075 R)
• M5: 3,461,396 km (0.101 R)
• M6: 4,041,835 km (0.076 R)
• M7: 4,532,067 km (0.105 R)
• M8: 5,722,567 km (0.047 R)
• M9: 6,770,650 km (0.036 R)
• M10: 7,358,570 km (0.082 R)
• M11: 8,055,845 km (0.067 R)
• M12: 9,540,305 km (0.1 R)
• M13: 10,779,873 km (0.07 R)
• M14: 12,274,804 km (0.062 R)
• M15: 13,363,279 km (0.041 R)
• M16: 14,685,125 km (0.098 R)
• M17: 15,851,690 km (0.108 R)
• M18: 26,144,322 km (0.06 R)
• M19: 27,421,439 km (0.119 R)
• M20: 28,829,006 km (0.083 R)
• M21: 31,502,320 km (0.063 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 260 - 18,772 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit