🌌 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 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.7

Radius: 8

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.61 AU - 0.75 AU

Year: 394 Days

Day: 12.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,845,342 km

• M1: 99,632 km (0.083 R)
• M2: 356,641 km (0.09 R)
• M3: 751,131 km (0.114 R)
• M4: 1,113,307 km (0.096 R)
• M5: 1,577,360 km (0.113 R)
• M6: 2,653,118 km (0.074 R)
• M7: 3,273,949 km (0.1 R)
• M8: 3,537,242 km (0.058 R)
• M9: 4,035,103 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.6

Radius: 11.3

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.62 AU - 0.78 AU

Year: 412 Days

Day: 9.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,845,342 km

• M1: 140,472 km (0.074 R)
• M2: 528,978 km (0.115 R)
• M3: 914,193 km (0.105 R)
• M4: 1,428,360 km (0.086 R)
• M5: 1,855,462 km (0.036 R)
• M6: 2,415,407 km (0.113 R)
• M7: 3,062,867 km (0.085 R)
• M8: 3,679,509 km (0.102 R)
• M9: 4,163,159 km (0.101 R)
• M10: 4,765,739 km (0.117 R)
• M11: 5,128,664 km (0.067 R)
• M12: 5,751,440 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.9

Radius: 11.2

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.73 AU - 0.97 AU

Year: 551 Days

Day: 9.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,845,342 km

• M1: 139,276 km (0.076 R)
• M2: 657,034 km (0.085 R)
• M3: 1,233,285 km (0.037 R)
• M4: 1,721,572 km (0.119 R)
• M5: 2,107,086 km (0.093 R)
• M6: 3,192,568 km (0.099 R)
• M7: 3,725,885 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.3

Radius: 12.2

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.12 AU - 1.76 AU

Year: 1215 Days

Day: 8.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,845,342 km

• M1: 151,842 km (0.06 R)
• M2: 545,284 km (0.099 R)
• M3: 1,131,110 km (0.056 R)
• M4: 1,815,071 km (0.107 R)
• M5: 2,683,337 km (0.086 R)
• M6: 3,201,843 km (0.112 R)
• M7: 3,996,956 km (0.065 R)
• M8: 4,704,554 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.9

Radius: 13

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.88 AU - 2.9 AU

Year: 3453 Days

Day: 8 Hours

Environment

Temp: -202 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,845,342 km

• M1: 162,164 km (0.086 R)
• M2: 1,072,617 km (0.082 R)
• M3: 1,580,352 km (0.093 R)
• M4: 2,279,423 km (0.116 R)
• M5: 3,336,332 km (0.107 R)
• M6: 3,759,095 km (0.116 R)
• M7: 5,030,228 km (0.081 R)
• M8: 5,964,766 km (0.115 R)
• M9: 7,880,666 km (0.066 R)
• M10: 8,767,482 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.4

Radius: 13

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.52 AU - 3.3 AU

Year: 3489 Days

Day: 11.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,845,342 km

• M1: 161,865 km (0.114 R)
• M2: 604,675 km (0.032 R)
• M3: 1,098,048 km (0.104 R)
• M4: 1,530,985 km (0.08 R)
• M5: 1,953,748 km (0.066 R)
• M6: 2,731,059 km (0.101 R)
• M7: 3,379,715 km (0.098 R)
• M8: 4,186,796 km (0.084 R)
• M9: 6,676,703 km (0.067 R)
• M10: 8,343,971 km (0.106 R)
• M11: 9,782,953 km (0.119 R)
• M12: 11,305,261 km (0.037 R)
• M13: 13,444,959 km (0.113 R)
• M14: 13,964,662 km (0.091 R)
• M15: 14,542,708 km (0.105 R)
• M16: 15,557,580 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.7

Radius: 8.4

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.57 AU - 4.47 AU

Year: 5666 Days

Day: 6.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 172.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,845,342 km

• M1: 105,317 km (0.101 R)
• M2: 430,991 km (0.078 R)
• M3: 915,389 km (0.098 R)
• M4: 2,364,394 km (0.075 R)
• M5: 2,751,554 km (0.116 R)
• M6: 3,319,726 km (0.04 R)
• M7: 4,243,942 km (0.109 R)
• M8: 4,562,137 km (0.114 R)
• M9: 5,219,320 km (0.118 R)
• M10: 5,968,207 km (0.11 R)
• M11: 7,500,837 km (0.074 R)
• M12: 9,775,622 km (0.098 R)
• M13: 10,464,221 km (0.079 R)
• M14: 11,369,737 km (0.107 R)
• M15: 13,967,953 km (0.066 R)
• M16: 17,429,199 km (0.066 R)
• M17: 20,235,206 km (0.101 R)
• M18: 21,925,662 km (0.088 R)
• M19: 22,362,638 km (0.032 R)
• M20: 26,559,905 km (0.112 R)
• M21: 27,306,997 km (0.03 R)
• M22: 27,643,592 km (0.096 R)
• M23: 28,843,217 km (0.097 R)
• M24: 29,367,857 km (0.052 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.3

Radius: 13.7

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 4.38 AU - 5.56 AU

Year: 7788 Days

Day: 7.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,845,342 km

• M1: 170,542 km (0.078 R)
• M2: 696,378 km (0.116 R)
• M3: 1,559,408 km (0.106 R)
• M4: 2,662,094 km (0.069 R)
• M5: 3,097,723 km (0.091 R)
• M6: 4,651,746 km (0.105 R)
• M7: 5,097,847 km (0.105 R)
• M8: 6,940,743 km (0.12 R)
• M9: 8,716,170 km (0.083 R)
• M10: 10,158,294 km (0.097 R)
• M11: 11,802,225 km (0.042 R)
• M12: 12,288,867 km (0.036 R)
• M13: 20,870,399 km (0.105 R)
• M14: 22,386,274 km (0.075 R)
• M15: 23,360,755 km (0.113 R)
• M16: 27,799,024 km (0.072 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 822.7

Radius: 5

Gravity: 32.91 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 5.6 AU - 7.04 AU

Year: 11168 Days

Day: 23.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 54,845,342 km

• M1: 67,169 km (0.054 R)
• M2: 387,010 km (0.099 R)
• M3: 897,737 km (0.109 R)
• M4: 1,526,646 km (0.081 R)
• M5: 2,554,832 km (0.097 R)
• M6: 2,951,117 km (0.083 R)
• M7: 3,311,798 km (0.102 R)
• M8: 3,594,687 km (0.113 R)
• M9: 4,540,445 km (0.075 R)
• M10: 5,054,314 km (0.102 R)
• M11: 6,007,850 km (0.109 R)
• M12: 6,706,622 km (0.111 R)
• M13: 6,869,085 km (0.089 R)
• M14: 8,451,083 km (0.117 R)
• M15: 8,736,516 km (0.079 R)
• M16: 11,313,489 km (0.114 R)
• M17: 15,669,330 km (0.118 R)
• M18: 18,772,438 km (0.086 R)
• M19: 21,549,424 km (0.04 R)
• M20: 22,532,730 km (0.101 R)
• M21: 23,732,954 km (0.096 R)
• M22: 24,781,336 km (0.108 R)
• M23: 25,562,835 km (0.076 R)
• M24: 28,322,018 km (0.111 R)
• M25: 29,284,232 km (0.114 R)
• M26: 34,303,091 km (0.042 R)
• M27: 34,907,317 km (0.075 R)
• M28: 37,522,736 km (0.111 R)
• M29: 40,938,205 km (0.111 R)
• M30: 42,999,963 km (0.067 R)
• M31: 48,682,438 km (0.12 R)
• M32: 50,061,282 km (0.072 R)
• M33: 52,257,528 km (0.074 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 318 - 11,124 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit