🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.51 AU - 0.57 AU

Year: 252 Days

Day: 38.7 Hours

Environment

Temp: -126 °C

Axial Tilt: 140.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978

Radius: 13.8

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.72 AU - 1.02 AU

Year: 516 Days

Day: 13.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,204,601 km

• M1: 172,337 km (0.099 R)
• M2: 635,941 km (0.058 R)
• M3: 1,241,363 km (0.102 R)
• M4: 1,688,062 km (0.058 R)
• M5: 2,141,942 km (0.076 R)
• M6: 2,710,863 km (0.049 R)
• M7: 3,342,166 km (0.095 R)
• M8: 3,830,154 km (0.096 R)
• M9: 4,411,342 km (0.039 R)
• M10: 5,237,721 km (0.054 R)
• M11: 6,050,486 km (0.101 R)
• M12: 6,987,567 km (0.106 R)
• M13: 7,480,342 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.5

Radius: 8.9

Gravity: 9.88 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.38 AU - 2.08 AU

Year: 1447 Days

Day: 13.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,204,601 km

• M1: 111,151 km (0.072 R)
• M2: 401,820 km (0.101 R)
• M3: 898,485 km (0.073 R)
• M4: 1,426,715 km (0.111 R)
• M5: 1,762,113 km (0.1 R)
• M6: 2,967,124 km (0.109 R)
• M7: 3,296,987 km (0.118 R)
• M8: 4,931,045 km (0.076 R)
• M9: 5,244,901 km (0.102 R)
• M10: 5,706,710 km (0.096 R)
• M11: 6,147,724 km (0.105 R)
• M12: 6,462,478 km (0.116 R)
• M13: 6,890,179 km (0.062 R)
• M14: 7,691,275 km (0.106 R)
• M15: 8,114,338 km (0.106 R)
• M16: 8,582,729 km (0.12 R)
• M17: 9,069,072 km (0.029 R)
• M18: 10,063,598 km (0.059 R)
• M19: 12,116,979 km (0.117 R)
• M20: 12,535,703 km (0.068 R)
• M21: 13,482,957 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.2

Radius: 8.3

Gravity: 7.73 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.9 AU - 2.26 AU

Year: 1907 Days

Day: 13.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,204,601 km

• M1: 103,223 km (0.119 R)
• M2: 418,126 km (0.11 R)
• M3: 678,127 km (0.1 R)
• M4: 1,059,153 km (0.109 R)
• M5: 1,346,680 km (0.105 R)
• M6: 1,647,222 km (0.115 R)
• M7: 1,981,424 km (0.11 R)
• M8: 2,323,255 km (0.089 R)
• M9: 2,759,931 km (0.118 R)
• M10: 3,393,927 km (0.099 R)
• M11: 4,991,183 km (0.117 R)
• M12: 5,424,718 km (0.076 R)
• M13: 5,978,081 km (0.086 R)
• M14: 7,865,108 km (0.088 R)
• M15: 8,543,534 km (0.068 R)
• M16: 9,196,529 km (0.094 R)
• M17: 10,778,078 km (0.081 R)
• M18: 11,429,277 km (0.082 R)
• M19: 13,090,861 km (0.1 R)
• M20: 14,384,583 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.7

Radius: 8.3

Gravity: 10.24 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.4 AU - 5.32 AU

Year: 5788 Days

Day: 10.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 42,204,601 km

• M1: 104,419 km (0.114 R)
• M2: 363,373 km (0.099 R)
• M3: 646,113 km (0.12 R)
• M4: 1,111,512 km (0.074 R)
• M5: 2,379,803 km (0.095 R)
• M6: 3,302,523 km (0.118 R)
• M7: 4,095,391 km (0.102 R)
• M8: 5,207,502 km (0.116 R)
• M9: 5,958,633 km (0.101 R)
• M10: 6,343,847 km (0.067 R)
• M11: 7,379,962 km (0.065 R)
• M12: 7,824,717 km (0.057 R)
• M13: 8,365,812 km (0.103 R)
• M14: 11,849,049 km (0.077 R)
• M15: 12,356,036 km (0.075 R)
• M16: 13,741,911 km (0.095 R)
• M17: 14,992,998 km (0.103 R)
• M18: 16,010,712 km (0.11 R)
• M19: 17,720,466 km (0.073 R)
• M20: 20,328,107 km (0.088 R)
• M21: 20,616,681 km (0.083 R)
• M22: 21,498,860 km (0.108 R)
• M23: 27,240,426 km (0.093 R)
• M24: 28,662,204 km (0.116 R)
• M25: 28,934,173 km (0.113 R)
• M26: 29,391,194 km (0.092 R)
• M27: 30,226,250 km (0.082 R)
• M28: 32,138,260 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.4

Radius: 10.4

Gravity: 8.77 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 4.35 AU - 5.21 AU

Year: 6645 Days

Day: 5.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 42,204,601 km

• M1: 130,300 km (0.054 R)
• M2: 458,667 km (0.101 R)
• M3: 892,501 km (0.071 R)
• M4: 1,396,795 km (0.092 R)
• M5: 2,037,074 km (0.06 R)
• M6: 2,705,178 km (0.103 R)
• M7: 3,155,169 km (0.067 R)
• M8: 3,630,890 km (0.08 R)
• M9: 4,050,662 km (0.106 R)
• M10: 4,393,390 km (0.087 R)
• M11: 5,017,961 km (0.11 R)
• M12: 5,382,831 km (0.104 R)
• M13: 6,550,143 km (0.04 R)
• M14: 7,678,709 km (0.074 R)
• M15: 8,331,255 km (0.091 R)
• M16: 8,844,675 km (0.094 R)
• M17: 9,654,149 km (0.119 R)
• M18: 11,112,130 km (0.097 R)
• M19: 13,450,644 km (0.077 R)
• M20: 13,860,243 km (0.099 R)
• M21: 16,628,252 km (0.044 R)
• M22: 16,964,548 km (0.03 R)
• M23: 17,860,041 km (0.113 R)
• M24: 18,642,139 km (0.089 R)
• M25: 22,734,089 km (0.042 R)
• M26: 30,386,170 km (0.064 R)
• M27: 32,015,740 km (0.04 R)
• M28: 34,787,040 km (0.095 R)
• M29: 39,475,886 km (0.049 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.6

Radius: 12.5

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 4.87 AU - 6.21 AU

Year: 8291 Days

Day: 5.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,204,601 km

• M1: 162,164 km (0.087 R)
• M2: 587,321 km (0.094 R)
• M3: 1,117,945 km (0.047 R)
• M4: 1,720,226 km (0.047 R)
• M5: 2,513,095 km (0.082 R)
• M6: 6,069,036 km (0.118 R)
• M7: 7,001,180 km (0.118 R)
• M8: 8,463,649 km (0.074 R)
• M9: 9,921,181 km (0.066 R)
• M10: 10,683,831 km (0.118 R)
• M11: 12,097,980 km (0.054 R)
• M12: 16,732,671 km (0.115 R)
• M13: 17,303,387 km (0.103 R)
• M14: 18,183,771 km (0.1 R)
• M15: 21,005,037 km (0.088 R)
• M16: 24,926,745 km (0.062 R)
• M17: 27,995,746 km (0.075 R)
• M18: 30,037,158 km (0.031 R)
• M19: 31,201,179 km (0.036 R)
• M20: 31,740,180 km (0.106 R)
• M21: 38,454,731 km (0.109 R)
• M22: 39,199,130 km (0.055 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.1

Radius: 13.2

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 5.53 AU - 6.27 AU

Year: 9112 Days

Day: 7.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,204,601 km

• M1: 233,223 km (0.115 R)
• M2: 1,135,747 km (0.047 R)
• M3: 1,903,783 km (0.044 R)
• M4: 2,502,024 km (0.071 R)
• M5: 3,424,744 km (0.087 R)
• M6: 3,914,079 km (0.096 R)
• M7: 4,677,925 km (0.088 R)
• M8: 9,125,919 km (0.106 R)
• M9: 17,696,082 km (0.079 R)
• M10: 19,047,100 km (0.106 R)
• M11: 19,778,783 km (0.074 R)
• M12: 22,555,469 km (0.09 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.9

Radius: 10.5

Gravity: 7.73 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 5.92 AU - 6.02 AU

Year: 9275 Days

Day: 6 Hours

Environment

Temp: -226 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 42,204,601 km

• M1: 130,599 km (0.104 R)
• M2: 576,999 km (0.108 R)
• M3: 989,889 km (0.073 R)
• M4: 1,762,861 km (0.043 R)
• M5: 2,318,019 km (0.089 R)
• M6: 2,899,057 km (0.095 R)
• M7: 3,675,769 km (0.087 R)
• M8: 4,766,487 km (0.102 R)
• M9: 5,337,353 km (0.076 R)
• M10: 5,812,476 km (0.043 R)
• M11: 6,808,797 km (0.108 R)
• M12: 7,205,381 km (0.03 R)
• M13: 7,958,308 km (0.057 R)
• M14: 8,443,753 km (0.079 R)
• M15: 10,121,044 km (0.117 R)
• M16: 11,782,927 km (0.115 R)
• M17: 12,590,157 km (0.049 R)
• M18: 13,996,078 km (0.119 R)
• M19: 16,052,749 km (0.083 R)
• M20: 16,614,639 km (0.107 R)
• M21: 17,189,693 km (0.112 R)
• M22: 17,777,912 km (0.046 R)
• M23: 21,005,336 km (0.106 R)
• M24: 24,053,542 km (0.056 R)
• M25: 24,975,963 km (0.059 R)
• M26: 25,826,128 km (0.081 R)
• M27: 28,697,060 km (0.082 R)
• M28: 32,104,601 km (0.112 R)
• M29: 34,597,948 km (0.092 R)
• M30: 35,772,890 km (0.058 R)
• M31: 46,147,353 km (0.073 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 386.3

Radius: 7

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 6.26 AU - 7.12 AU

Year: 11002 Days

Day: 21.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 42,204,601 km

• M1: 90,656 km (0.063 R)
• M2: 375,939 km (0.072 R)
• M3: 714,031 km (0.104 R)
• M4: 934,538 km (0.119 R)
• M5: 1,247,048 km (0.09 R)
• M6: 1,519,615 km (0.094 R)
• M7: 2,068,490 km (0.085 R)
• M8: 2,624,096 km (0.12 R)
• M9: 4,054,401 km (0.116 R)
• M10: 4,658,178 km (0.088 R)
• M11: 4,951,690 km (0.086 R)
• M12: 5,383,429 km (0.051 R)
• M13: 5,839,852 km (0.1 R)
• M14: 7,483,633 km (0.119 R)
• M15: 8,177,768 km (0.055 R)
• M16: 8,605,767 km (0.094 R)
• M17: 9,694,092 km (0.028 R)
• M18: 9,931,803 km (0.069 R)
• M19: 10,369,676 km (0.108 R)
• M20: 11,976,806 km (0.054 R)
• M21: 14,165,123 km (0.067 R)
• M22: 14,533,433 km (0.08 R)
• M23: 15,289,202 km (0.111 R)
• M24: 15,546,809 km (0.062 R)
• M25: 16,947,344 km (0.091 R)
• M26: 17,502,352 km (0.106 R)
• M27: 18,942,980 km (0.105 R)
• M28: 20,852,597 km (0.066 R)
• M29: 30,484,755 km (0.064 R)
• M30: 31,512,791 km (0.104 R)
• M31: 37,117,625 km (0.055 R)
• M32: 37,583,323 km (0.097 R)
• M33: 39,244,309 km (0.065 R)
• M34: 40,092,977 km (0.074 R)
• M35: 41,952,329 km (0.048 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 12,714 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit