🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.14

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.54 AU - 0.78 AU

Year: 195 Days

Day: 44.6 Hours

Environment

Temp: 177 °C

Axial Tilt: 45.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 104,897,697 km

• M1: 211,980 km (0.11 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.53 AU - 0.85 AU

Year: 208 Days

Day: 16 Hours

Environment

Temp: 138 °C

Axial Tilt: 13 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.75 AU - 1.01 AU

Year: 300 Days

Day: 16.2 Hours

Environment

Temp: 136 °C

Axial Tilt: 18 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 104,897,697 km

• M1: 141,520 km (0.109 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.62 AU - 2.26 AU

Year: 982 Days

Day: 17.9 Hours

Environment

Temp: -59 °C

Axial Tilt: 35.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 104,897,697 km

• M1: 404,363 km (0.088 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.93 AU - 2.29 AU

Year: 1114 Days

Day: 22.9 Hours

Environment

Temp: -75 °C

Axial Tilt: 44.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.5 AU - 3.88 AU

Year: 2071 Days

Day: 22.6 Hours

Environment

Temp: -101 °C

Axial Tilt: 1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 3.72 AU - 6.04 AU

Year: 3918 Days

Day: 13.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 38.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 104,897,697 km

• M1: 114,592 km (0.098 R)

Asteroid Belt

Center: 6.39 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.9

Radius: 10.2

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 7.29 AU - 8.49 AU

Year: 8055 Days

Day: 11.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 104,897,697 km

• M1: 308,172 km (0.075 R)
• M2: 552,615 km (0.061 R)
• M3: 626,965 km (0.091 R)
• M4: 731,982 km (0.112 R)
• M5: 857,944 km (0.09 R)
• M6: 946,207 km (0.09 R)
• M7: 1,148,612 km (0.089 R)
• M8: 1,762,562 km (0.075 R)
• M9: 1,954,795 km (0.105 R)
• M10: 2,134,014 km (0.119 R)
• M11: 2,297,674 km (0.086 R)
• M12: 2,836,376 km (0.072 R)
• M13: 2,926,134 km (0.077 R)
• M14: 3,678,911 km (0.094 R)
• M15: 4,026,427 km (0.092 R)
• M16: 4,995,522 km (0.059 R)
• M17: 5,269,585 km (0.041 R)
• M18: 5,492,336 km (0.053 R)
• M19: 5,689,805 km (0.077 R)
• M20: 5,947,263 km (0.052 R)
• M21: 6,473,549 km (0.096 R)
• M22: 6,862,952 km (0.032 R)
• M23: 6,984,276 km (0.104 R)
• M24: 7,075,830 km (0.076 R)
• M25: 7,414,818 km (0.079 R)
• M26: 7,601,816 km (0.093 R)
• M27: 8,012,761 km (0.057 R)
• M28: 8,724,398 km (0.111 R)
• M29: 9,863,885 km (0.103 R)
• M30: 10,626,086 km (0.112 R)
• M31: 10,766,708 km (0.086 R)
• M32: 10,907,929 km (0.111 R)
• M33: 11,514,997 km (0.056 R)
• M34: 12,096,484 km (0.108 R)
• M35: 12,501,894 km (0.06 R)
• M36: 12,575,945 km (0.084 R)
• M37: 12,836,844 km (0.08 R)
• M38: 12,949,042 km (0.102 R)
• M39: 14,090,175 km (0.117 R)
• M40: 15,184,034 km (0.096 R)
• M41: 15,661,102 km (0.097 R)
• M42: 15,901,506 km (0.116 R)
• M43: 15,981,989 km (0.119 R)
• M44: 16,507,975 km (0.09 R)
• M45: 16,875,388 km (0.116 R)
• M46: 18,035,968 km (0.117 R)
• M47: 18,456,787 km (0.077 R)
• M48: 18,625,982 km (0.118 R)
• M49: 19,695,008 km (0.089 R)
• M50: 20,346,058 km (0.076 R)
• M51: 20,916,026 km (0.057 R)
• M52: 21,004,139 km (0.094 R)
• M53: 21,092,552 km (0.081 R)
• M54: 21,225,095 km (0.083 R)
• M55: 21,446,800 km (0.117 R)
• M56: 21,535,661 km (0.115 R)
• M57: 22,612,017 km (0.101 R)
• M58: 23,020,120 km (0.099 R)
• M59: 23,247,958 km (0.11 R)
• M60: 23,339,213 km (0.095 R)
• M61: 23,751,804 km (0.103 R)
• M62: 24,351,691 km (0.114 R)
• M63: 24,490,967 km (0.053 R)
• M64: 24,770,116 km (0.108 R)
• M65: 25,050,313 km (0.077 R)
• M66: 26,039,305 km (0.093 R)
• M67: 27,041,162 km (0.047 R)
• M68: 27,570,888 km (0.101 R)
• M69: 28,006,816 km (0.037 R)
• M70: 28,493,906 km (0.088 R)
• M71: 28,640,662 km (0.06 R)
• M72: 29,625,016 km (0.107 R)
• M73: 30,270,680 km (0.104 R)
• M74: 31,525,507 km (0.09 R)
• M75: 31,829,341 km (0.093 R)
• M76: 34,293,517 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 816.7

Radius: 7

Gravity: 16.67 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 16.46 AU - 21.16 AU

Year: 29649 Days

Day: 16.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 104,897,697 km

• M1: 113,545 km (0.073 R)
• M2: 260,599 km (0.033 R)
• M3: 989,141 km (0.074 R)
• M4: 1,121,086 km (0.046 R)
• M5: 1,329,925 km (0.045 R)
• M6: 1,438,982 km (0.107 R)
• M7: 1,666,071 km (0.094 R)
• M8: 1,986,660 km (0.075 R)
• M9: 2,593,279 km (0.118 R)
• M10: 2,638,757 km (0.119 R)
• M11: 3,156,066 km (0.113 R)
• M12: 3,551,753 km (0.12 R)
• M13: 4,121,272 km (0.091 R)
• M14: 5,518,665 km (0.064 R)
• M15: 6,298,220 km (0.032 R)
• M16: 6,359,555 km (0.11 R)
• M17: 6,544,907 km (0.12 R)
• M18: 6,732,203 km (0.097 R)
• M19: 7,239,939 km (0.084 R)
• M20: 7,304,266 km (0.069 R)
• M21: 8,292,060 km (0.08 R)
• M22: 8,904,813 km (0.093 R)
• M23: 9,181,719 km (0.115 R)
• M24: 9,391,455 km (0.109 R)
• M25: 10,535,729 km (0.044 R)
• M26: 11,050,196 km (0.111 R)
• M27: 13,902,130 km (0.066 R)
• M28: 17,395,390 km (0.072 R)
• M29: 19,506,216 km (0.11 R)
• M30: 20,318,383 km (0.08 R)
• M31: 21,233,772 km (0.108 R)
• M32: 21,326,074 km (0.115 R)
• M33: 21,882,578 km (0.062 R)
• M34: 23,675,957 km (0.044 R)
• M35: 23,771,700 km (0.116 R)
• M36: 25,909,304 km (0.117 R)
• M37: 26,701,724 km (0.052 R)
• M38: 28,921,756 km (0.108 R)
• M39: 30,365,077 km (0.075 R)
• M40: 31,937,350 km (0.118 R)
• M41: 32,786,617 km (0.093 R)
• M42: 35,488,205 km (0.034 R)
• M43: 36,037,080 km (0.107 R)
• M44: 36,810,202 km (0.076 R)
• M45: 37,812,208 km (0.118 R)
• M46: 43,071,770 km (0.042 R)
• M47: 43,305,592 km (0.057 R)
• M48: 44,362,949 km (0.104 R)
• M49: 45,072,642 km (0.06 R)
• M50: 45,428,984 km (0.062 R)
• M51: 45,905,303 km (0.075 R)
• M52: 46,743,201 km (0.079 R)
• M53: 46,863,179 km (0.117 R)
• M54: 47,103,732 km (0.034 R)
• M55: 50,760,054 km (0.115 R)
• M56: 52,747,012 km (0.092 R)
• M57: 54,380,172 km (0.094 R)
• M58: 55,266,390 km (0.048 R)
• M59: 55,520,557 km (0.104 R)
• M60: 55,647,715 km (0.076 R)
• M61: 56,540,814 km (0.089 R)
• M62: 56,796,776 km (0.086 R)
• M63: 59,378,088 km (0.113 R)
• M64: 59,898,987 km (0.102 R)
• M65: 60,421,383 km (0.108 R)
• M66: 60,683,179 km (0.118 R)
• M67: 62,129,492 km (0.043 R)
• M68: 63,720,315 km (0.067 R)
• M69: 65,190,264 km (0.059 R)
• M70: 66,131,534 km (0.075 R)
• M71: 70,078,524 km (0.104 R)
• M72: 71,318,990 km (0.091 R)
• M73: 72,427,660 km (0.078 R)
• M74: 72,566,636 km (0.116 R)
• M75: 73,402,439 km (0.085 R)
• M76: 73,961,337 km (0.097 R)
• M77: 75,646,557 km (0.11 R)
• M78: 76,918,887 km (0.116 R)
• M79: 77,770,996 km (0.084 R)
• M80: 78,340,815 km (0.11 R)
• M81: 81,788,597 km (0.115 R)
• M82: 84,114,544 km (0.101 R)
• M83: 84,553,165 km (0.103 R)
• M84: 84,845,928 km (0.086 R)
• M85: 85,726,312 km (0.103 R)
• M86: 86,462,184 km (0.106 R)
• M87: 87,792,109 km (0.097 R)
• M88: 88,533,965 km (0.098 R)
• M89: 89,426,914 km (0.119 R)
• M90: 92,123,416 km (0.072 R)
• M91: 94,087,486 km (0.116 R)
• M92: 95,150,828 km (0.102 R)
• M93: 97,135,992 km (0.102 R)
• M94: 99,598,074 km (0.076 R)

Kuiper Belt

Range: 30.2 - 45.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 299 - 16,582 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit