🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.51 AU - 0.63 AU

Year: 282 Days

Day: 46.7 Hours

Environment

Temp: -119 °C

Axial Tilt: 47.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,602,148 km

• M1: 95,443 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.4

Radius: 14.9

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.8 AU - 1.32 AU

Year: 716 Days

Day: 13 Hours

Environment

Temp: -162 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 84,602,148 km

• M1: 185,501 km (0.105 R)
• M2: 677,080 km (0.118 R)
• M3: 1,218,175 km (0.119 R)
• M4: 1,737,430 km (0.047 R)
• M5: 2,629,781 km (0.095 R)
• M6: 3,826,115 km (0.059 R)
• M7: 4,853,553 km (0.044 R)
• M8: 5,806,193 km (0.116 R)
• M9: 6,816,128 km (0.071 R)
• M10: 7,476,453 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.5

Radius: 12.3

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.51 AU - 1.71 AU

Year: 1340 Days

Day: 13 Hours

Environment

Temp: -173 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 84,602,148 km

• M1: 168,597 km (0.071 R)
• M2: 738,415 km (0.049 R)
• M3: 1,142,479 km (0.068 R)
• M4: 1,974,542 km (0.095 R)
• M5: 3,235,353 km (0.118 R)
• M6: 3,779,889 km (0.036 R)
• M7: 4,532,367 km (0.107 R)
• M8: 5,702,820 km (0.088 R)
• M9: 6,335,619 km (0.088 R)
• M10: 6,939,845 km (0.119 R)
• M11: 8,152,037 km (0.117 R)
• M12: 8,663,063 km (0.052 R)
• M13: 9,347,025 km (0.045 R)
• M14: 11,723,536 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228

Radius: 13.2

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.72 AU - 1.84 AU

Year: 1558 Days

Day: 7.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 84,602,148 km

• M1: 164,258 km (0.101 R)
• M2: 579,991 km (0.108 R)
• M3: 991,684 km (0.05 R)
• M4: 1,677,740 km (0.114 R)
• M5: 2,165,579 km (0.067 R)
• M6: 2,931,819 km (0.06 R)
• M7: 3,378,967 km (0.085 R)
• M8: 3,856,932 km (0.108 R)
• M9: 4,314,103 km (0.072 R)
• M10: 4,737,166 km (0.105 R)
• M11: 5,338,550 km (0.092 R)
• M12: 6,177,195 km (0.112 R)
• M13: 6,739,234 km (0.08 R)
• M14: 7,477,650 km (0.116 R)
• M15: 8,372,245 km (0.111 R)
• M16: 9,171,247 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.1

Radius: 14.2

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.35 AU - 2.85 AU

Year: 2750 Days

Day: 10.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 84,602,148 km

• M1: 176,525 km (0.108 R)
• M2: 658,979 km (0.119 R)
• M3: 1,164,320 km (0.102 R)
• M4: 1,724,115 km (0.083 R)
• M5: 2,333,727 km (0.069 R)
• M6: 2,802,118 km (0.096 R)
• M7: 3,692,674 km (0.072 R)
• M8: 4,205,047 km (0.077 R)
• M9: 5,298,308 km (0.033 R)
• M10: 5,898,794 km (0.115 R)
• M11: 7,112,930 km (0.087 R)
• M12: 9,275,517 km (0.088 R)
• M13: 11,331,590 km (0.094 R)
• M14: 11,933,721 km (0.045 R)
• M15: 13,772,429 km (0.112 R)
• M16: 14,558,416 km (0.106 R)
• M17: 15,116,117 km (0.062 R)
• M18: 18,471,597 km (0.116 R)
• M19: 21,439,768 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.4

Radius: 12.6

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.38 AU - 3.22 AU

Year: 3074 Days

Day: 5 Hours

Environment

Temp: -208 °C

Axial Tilt: 164.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 84,602,148 km

• M1: 156,928 km (0.048 R)
• M2: 705,204 km (0.106 R)
• M3: 1,338,751 km (0.034 R)
• M4: 2,291,091 km (0.109 R)
• M5: 3,594,388 km (0.115 R)
• M6: 4,018,648 km (0.09 R)
• M7: 4,431,239 km (0.116 R)
• M8: 4,920,424 km (0.052 R)
• M9: 6,091,476 km (0.09 R)
• M10: 7,376,222 km (0.083 R)
• M11: 8,619,979 km (0.118 R)
• M12: 11,434,214 km (0.11 R)
• M13: 12,178,912 km (0.106 R)
• M14: 14,659,245 km (0.107 R)
• M15: 15,380,755 km (0.119 R)
• M16: 17,288,577 km (0.059 R)
• M17: 18,625,085 km (0.064 R)
• M18: 19,288,252 km (0.069 R)
• M19: 21,047,373 km (0.116 R)
• M20: 21,766,939 km (0.106 R)

Asteroid Belt

Center: 6.26 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 9.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 956

Radius: 3.1

Gravity: 99.48 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 8.66 AU - 10.76 AU

Year: 19849 Days

Day: 24.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 84,602,148 km

• M1: 38,746 km (0.08 R)
• M2: 735,573 km (0.082 R)
• M3: 939,026 km (0.056 R)
• M4: 1,328,429 km (0.06 R)
• M5: 2,757,837 km (0.074 R)
• M6: 4,678,673 km (0.028 R)
• M7: 5,093,508 km (0.087 R)
• M8: 5,369,816 km (0.118 R)
• M9: 5,532,279 km (0.061 R)
• M10: 5,656,146 km (0.064 R)
• M11: 8,651,095 km (0.104 R)
• M12: 10,994,097 km (0.078 R)
• M13: 12,771,170 km (0.067 R)
• M14: 15,616,821 km (0.112 R)
• M15: 17,142,570 km (0.119 R)
• M16: 18,213,092 km (0.074 R)
• M17: 25,586,173 km (0.071 R)
• M18: 31,733,448 km (0.09 R)
• M19: 32,130,780 km (0.077 R)
• M20: 34,584,335 km (0.094 R)
• M21: 36,287,656 km (0.103 R)
• M22: 46,323,878 km (0.112 R)
• M23: 52,154,605 km (0.032 R)
• M24: 57,078,918 km (0.111 R)
• M25: 58,853,149 km (0.113 R)
• M26: 74,388,439 km (0.068 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: 455 - 17,657 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit