🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.8

Radius: 12.7

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.56 AU - 0.65 AU

Year: 310 Days

Day: 9.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 73,957,959 km

• M1: 157,975 km (0.084 R)
• M2: 576,101 km (0.055 R)
• M3: 1,404,275 km (0.099 R)
• M4: 2,335,223 km (0.092 R)
• M5: 2,775,788 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75

Radius: 13.4

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.83 AU - 0.89 AU

Year: 532 Days

Day: 13.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 73,957,959 km

• M1: 166,652 km (0.107 R)
• M2: 619,485 km (0.076 R)
• M3: 1,203,814 km (0.049 R)
• M4: 1,666,221 km (0.04 R)
• M5: 2,150,769 km (0.034 R)
• M6: 2,754,546 km (0.117 R)
• M7: 3,233,708 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.8

Radius: 10.6

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.99 AU - 1.05 AU

Year: 687 Days

Day: 14.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,957,959 km

• M1: 131,796 km (0.052 R)
• M2: 627,413 km (0.106 R)
• M3: 1,042,099 km (0.079 R)
• M4: 2,108,582 km (0.087 R)
• M5: 2,438,445 km (0.059 R)
• M6: 2,772,946 km (0.118 R)
• M7: 3,643,606 km (0.09 R)
• M8: 4,846,971 km (0.088 R)
• M9: 5,333,314 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.5

Radius: 8.5

Gravity: 11.09 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.13 AU - 1.83 AU

Year: 1201 Days

Day: 14.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 140.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,957,959 km

• M1: 105,766 km (0.078 R)
• M2: 370,404 km (0.037 R)
• M3: 688,599 km (0.1 R)
• M4: 964,158 km (0.099 R)
• M5: 1,982,471 km (0.104 R)
• M6: 2,711,910 km (0.087 R)
• M7: 3,499,094 km (0.102 R)
• M8: 4,250,225 km (0.058 R)
• M9: 4,560,491 km (0.041 R)
• M10: 4,905,464 km (0.098 R)
• M11: 5,691,301 km (0.085 R)
• M12: 7,099,317 km (0.105 R)
• M13: 7,966,087 km (0.064 R)
• M14: 8,639,427 km (0.118 R)
• M15: 9,049,474 km (0.111 R)
• M16: 9,503,205 km (0.087 R)
• M17: 10,003,759 km (0.112 R)
• M18: 11,091,485 km (0.111 R)
• M19: 11,436,308 km (0.1 R)
• M20: 12,002,686 km (0.104 R)

Asteroid Belt

Center: 1.9 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.4

Radius: 12.5

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.3 AU - 2.32 AU

Year: 2341 Days

Day: 11.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,957,959 km

• M1: 155,582 km (0.102 R)
• M2: 558,299 km (0.115 R)
• M3: 1,312,871 km (0.1 R)
• M4: 1,729,351 km (0.116 R)
• M5: 2,212,253 km (0.087 R)
• M6: 2,744,822 km (0.068 R)
• M7: 3,270,808 km (0.101 R)
• M8: 5,630,565 km (0.087 R)
• M9: 6,460,982 km (0.06 R)
• M10: 7,084,506 km (0.116 R)
• M11: 7,611,839 km (0.084 R)
• M12: 8,136,927 km (0.068 R)
• M13: 8,745,492 km (0.072 R)
• M14: 9,229,291 km (0.107 R)
• M15: 10,217,834 km (0.056 R)
• M16: 12,556,048 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.7

Radius: 8.6

Gravity: 12.03 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.84 AU - 4.12 AU

Year: 4329 Days

Day: 6.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 73,957,959 km

• M1: 107,411 km (0.095 R)
• M2: 375,341 km (0.059 R)
• M3: 707,000 km (0.069 R)
• M4: 1,121,236 km (0.103 R)
• M5: 1,875,957 km (0.09 R)
• M6: 2,162,288 km (0.117 R)
• M7: 2,578,618 km (0.087 R)
• M8: 2,897,561 km (0.085 R)
• M9: 3,302,971 km (0.106 R)
• M10: 3,993,366 km (0.066 R)
• M11: 5,542,900 km (0.1 R)
• M12: 7,111,584 km (0.096 R)
• M13: 7,387,592 km (0.098 R)
• M14: 7,851,345 km (0.078 R)
• M15: 8,410,542 km (0.079 R)
• M16: 8,680,566 km (0.109 R)
• M17: 9,116,345 km (0.099 R)
• M18: 9,692,147 km (0.052 R)
• M19: 11,191,417 km (0.053 R)
• M20: 11,518,288 km (0.087 R)
• M21: 11,851,592 km (0.07 R)
• M22: 12,587,464 km (0.112 R)
• M23: 19,676,758 km (0.089 R)
• M24: 20,153,526 km (0.094 R)
• M25: 24,094,083 km (0.098 R)
• M26: 24,483,038 km (0.087 R)
• M27: 28,346,852 km (0.097 R)
• M28: 28,955,117 km (0.041 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.1

Radius: 10.2

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.32 AU - 5.46 AU

Year: 6134 Days

Day: 5.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 73,957,959 km

• M1: 126,859 km (0.119 R)
• M2: 521,797 km (0.108 R)
• M3: 868,416 km (0.116 R)
• M4: 1,243,458 km (0.116 R)
• M5: 1,703,022 km (0.088 R)
• M6: 2,459,090 km (0.1 R)
• M7: 2,986,273 km (0.041 R)
• M8: 3,712,870 km (0.086 R)
• M9: 4,775,613 km (0.07 R)
• M10: 5,405,121 km (0.107 R)
• M11: 5,826,089 km (0.118 R)
• M12: 6,390,522 km (0.062 R)
• M13: 7,909,090 km (0.098 R)
• M14: 8,790,820 km (0.097 R)
• M15: 9,216,126 km (0.104 R)
• M16: 11,507,218 km (0.113 R)
• M17: 12,784,634 km (0.065 R)
• M18: 13,945,364 km (0.05 R)
• M19: 16,301,680 km (0.12 R)
• M20: 16,650,393 km (0.068 R)
• M21: 19,361,555 km (0.117 R)
• M22: 20,821,780 km (0.087 R)
• M23: 22,070,174 km (0.088 R)
• M24: 24,563,073 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.9

Radius: 13.7

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 4.4 AU - 4.88 AU

Year: 6665 Days

Day: 7.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,957,959 km

• M1: 178,171 km (0.087 R)
• M2: 626,067 km (0.066 R)
• M3: 1,234,332 km (0.067 R)
• M4: 1,708,557 km (0.055 R)
• M5: 2,321,310 km (0.047 R)
• M6: 2,929,575 km (0.119 R)
• M7: 3,372,534 km (0.077 R)
• M8: 4,927,604 km (0.118 R)
• M9: 5,970,002 km (0.073 R)
• M10: 6,527,853 km (0.115 R)
• M11: 7,325,808 km (0.067 R)
• M12: 8,566,572 km (0.077 R)
• M13: 9,156,736 km (0.12 R)
• M14: 11,745,976 km (0.078 R)
• M15: 13,234,624 km (0.104 R)
• M16: 14,078,506 km (0.119 R)
• M17: 15,468,270 km (0.102 R)
• M18: 15,931,724 km (0.087 R)
• M19: 17,316,402 km (0.077 R)
• M20: 19,307,849 km (0.11 R)
• M21: 21,447,697 km (0.112 R)
• M22: 24,281,081 km (0.096 R)
• M23: 26,276,118 km (0.117 R)
• M24: 27,187,618 km (0.027 R)
• M25: 29,514,463 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 681.6

Radius: 7.9

Gravity: 10.92 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 7.43 AU - 7.85 AU

Year: 14082 Days

Day: 15.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,957,959 km

• M1: 98,435 km (0.104 R)
• M2: 578,495 km (0.087 R)
• M3: 1,227,899 km (0.081 R)
• M4: 1,546,992 km (0.067 R)
• M5: 2,102,149 km (0.078 R)
• M6: 3,340,072 km (0.068 R)
• M7: 3,910,937 km (0.099 R)
• M8: 4,204,897 km (0.103 R)
• M9: 5,604,385 km (0.047 R)
• M10: 5,978,829 km (0.096 R)
• M11: 6,653,664 km (0.11 R)
• M12: 8,833,455 km (0.077 R)
• M13: 9,238,117 km (0.069 R)
• M14: 11,039,425 km (0.084 R)
• M15: 12,998,409 km (0.095 R)
• M16: 15,612,632 km (0.097 R)
• M17: 17,433,089 km (0.079 R)
• M18: 19,730,613 km (0.042 R)
• M19: 24,817,539 km (0.102 R)
• M20: 25,420,418 km (0.065 R)
• M21: 36,056,528 km (0.117 R)
• M22: 36,570,845 km (0.094 R)
• M23: 47,603,389 km (0.078 R)
• M24: 55,049,024 km (0.106 R)
• M25: 57,810,452 km (0.112 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 733.8

Radius: 5

Gravity: 29.35 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 8.38 AU - 9.96 AU

Year: 18518 Days

Day: 24.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 73,957,959 km

• M1: 62,233 km (0.12 R)
• M2: 273,764 km (0.087 R)
• M3: 530,025 km (0.112 R)
• M4: 746,493 km (0.093 R)
• M5: 1,058,405 km (0.109 R)
• M6: 1,484,609 km (0.025 R)
• M7: 1,701,825 km (0.091 R)
• M8: 1,920,986 km (0.045 R)
• M9: 2,438,445 km (0.09 R)
• M10: 3,123,005 km (0.115 R)
• M11: 3,396,171 km (0.094 R)
• M12: 3,958,958 km (0.068 R)
• M13: 4,513,368 km (0.064 R)
• M14: 5,080,942 km (0.082 R)
• M15: 7,161,549 km (0.11 R)
• M16: 12,356,635 km (0.041 R)
• M17: 12,900,872 km (0.067 R)
• M18: 14,554,826 km (0.108 R)
• M19: 15,864,555 km (0.088 R)
• M20: 19,798,979 km (0.116 R)
• M21: 20,169,084 km (0.105 R)
• M22: 25,626,265 km (0.102 R)
• M23: 26,622,138 km (0.108 R)
• M24: 32,372,830 km (0.055 R)
• M25: 35,808,345 km (0.065 R)
• M26: 36,082,258 km (0.107 R)
• M27: 43,392,957 km (0.111 R)
• M28: 44,331,384 km (0.083 R)
• M29: 47,722,918 km (0.091 R)
• M30: 50,936,878 km (0.09 R)
• M31: 52,684,929 km (0.076 R)
• M32: 53,395,370 km (0.104 R)
• M33: 54,472,773 km (0.042 R)
• M34: 55,016,861 km (0.103 R)
• M35: 60,658,645 km (0.081 R)
• M36: 63,618,888 km (0.058 R)
• M37: 68,342,590 km (0.116 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 494 - 11,345 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit