🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.52 AU - 0.82 AU

Year: 354 Days

Day: 46.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 24.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601

Radius: 12.4

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.77 AU - 1.11 AU

Year: 588 Days

Day: 10.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,806,408 km

• M1: 154,235 km (0.111 R)
• M2: 679,025 km (0.087 R)
• M3: 1,182,122 km (0.086 R)
• M4: 1,764,208 km (0.104 R)
• M5: 2,232,599 km (0.033 R)
• M6: 2,709,068 km (0.092 R)
• M7: 4,077,739 km (0.102 R)
• M8: 4,939,572 km (0.097 R)
• M9: 5,405,569 km (0.103 R)
• M10: 6,085,043 km (0.104 R)
• M11: 6,901,548 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.9

Radius: 14.1

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.94 AU - 1.44 AU

Year: 838 Days

Day: 10.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,806,408 km

• M1: 175,927 km (0.105 R)
• M2: 662,569 km (0.068 R)
• M3: 1,101,040 km (0.079 R)
• M4: 1,728,903 km (0.115 R)
• M5: 2,229,457 km (0.083 R)
• M6: 2,735,547 km (0.115 R)
• M7: 3,696,713 km (0.089 R)
• M8: 4,365,565 km (0.086 R)
• M9: 4,923,565 km (0.077 R)
• M10: 5,528,988 km (0.042 R)
• M11: 6,244,066 km (0.102 R)
• M12: 7,285,416 km (0.085 R)
• M13: 7,930,632 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.6

Radius: 10

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.85 AU - 2.01 AU

Year: 1731 Days

Day: 6.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,806,408 km

• M1: 124,615 km (0.107 R)
• M2: 644,767 km (0.06 R)
• M3: 992,133 km (0.119 R)
• M4: 1,865,186 km (0.1 R)
• M5: 2,251,149 km (0.07 R)
• M6: 2,744,223 km (0.109 R)
• M7: 3,307,908 km (0.095 R)
• M8: 3,642,559 km (0.042 R)
• M9: 4,343,125 km (0.046 R)
• M10: 6,175,251 km (0.117 R)
• M11: 6,938,050 km (0.094 R)
• M12: 7,328,949 km (0.081 R)
• M13: 7,762,185 km (0.115 R)
• M14: 8,473,373 km (0.114 R)
• M15: 8,950,889 km (0.1 R)
• M16: 10,058,362 km (0.109 R)
• M17: 10,696,547 km (0.119 R)
• M18: 11,043,165 km (0.064 R)
• M19: 11,758,841 km (0.094 R)
• M20: 13,124,820 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.9

Radius: 14.8

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 5.3 AU - 5.42 AU

Year: 8012 Days

Day: 7 Hours

Environment

Temp: -228 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,806,408 km

• M1: 184,005 km (0.087 R)
• M2: 666,309 km (0.117 R)
• M3: 1,277,117 km (0.05 R)
• M4: 2,996,296 km (0.078 R)
• M5: 4,393,989 km (0.073 R)
• M6: 5,037,559 km (0.111 R)
• M7: 5,544,695 km (0.074 R)
• M8: 6,662,640 km (0.078 R)
• M9: 7,197,004 km (0.091 R)
• M10: 8,179,862 km (0.066 R)
• M11: 9,204,159 km (0.112 R)
• M12: 9,966,061 km (0.08 R)
• M13: 12,055,793 km (0.081 R)
• M14: 13,085,924 km (0.06 R)
• M15: 15,651,079 km (0.088 R)
• M16: 18,019,512 km (0.067 R)
• M17: 19,061,162 km (0.092 R)
• M18: 19,829,497 km (0.11 R)
• M19: 25,428,945 km (0.086 R)
• M20: 27,025,903 km (0.067 R)
• M21: 27,800,072 km (0.118 R)
• M22: 28,888,695 km (0.094 R)
• M23: 30,731,292 km (0.085 R)
• M24: 31,895,313 km (0.094 R)
• M25: 40,501,978 km (0.03 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.7

Radius: 14.3

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 4.81 AU - 6.43 AU

Year: 8602 Days

Day: 6.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,806,408 km

• M1: 177,872 km (0.057 R)
• M2: 889,210 km (0.086 R)
• M3: 2,351,978 km (0.037 R)
• M4: 3,459,152 km (0.096 R)
• M5: 4,090,903 km (0.102 R)
• M6: 5,052,369 km (0.095 R)
• M7: 5,537,066 km (0.115 R)
• M8: 6,350,280 km (0.115 R)
• M9: 12,384,161 km (0.104 R)
• M10: 15,369,236 km (0.085 R)
• M11: 16,868,506 km (0.027 R)
• M12: 18,181,228 km (0.053 R)
• M13: 19,093,625 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 781.8

Radius: 7.3

Gravity: 14.67 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 6.04 AU - 7.06 AU

Year: 10824 Days

Day: 24.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 52,806,408 km

• M1: 90,806 km (0.081 R)
• M2: 493,823 km (0.12 R)
• M3: 894,894 km (0.08 R)
• M4: 2,274,336 km (0.098 R)
• M5: 2,612,278 km (0.111 R)
• M6: 3,364,307 km (0.102 R)
• M7: 3,592,742 km (0.095 R)
• M8: 3,940,857 km (0.075 R)
• M9: 4,282,089 km (0.099 R)
• M10: 4,894,543 km (0.052 R)
• M11: 5,221,863 km (0.119 R)
• M12: 6,030,739 km (0.084 R)
• M13: 6,445,873 km (0.072 R)
• M14: 7,762,634 km (0.119 R)
• M15: 9,299,004 km (0.079 R)
• M16: 10,060,307 km (0.074 R)
• M17: 11,139,207 km (0.079 R)
• M18: 13,146,960 km (0.07 R)
• M19: 14,769,199 km (0.1 R)
• M20: 15,108,936 km (0.088 R)
• M21: 16,375,432 km (0.066 R)
• M22: 18,405,774 km (0.093 R)
• M23: 19,521,924 km (0.098 R)
• M24: 24,063,565 km (0.068 R)
• M25: 25,299,992 km (0.107 R)
• M26: 26,879,297 km (0.07 R)
• M27: 27,898,956 km (0.102 R)
• M28: 33,504,089 km (0.11 R)
• M29: 37,253,610 km (0.088 R)
• M30: 37,630,746 km (0.12 R)
• M31: 40,474,153 km (0.074 R)
• M32: 48,501,126 km (0.111 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: 255 - 10,509 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit