🌌 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: 888.8

Radius: 13.3

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.48 AU - 0.72 AU

Year: 321 Days

Day: 11.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 158.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 93,148,997 km

• M1: 165,605 km (0.087 R)
• M2: 653,443 km (0.104 R)
• M3: 1,068,129 km (0.069 R)
• M4: 1,487,003 km (0.056 R)
• M5: 2,154,359 km (0.053 R)
• M6: 2,686,329 km (0.078 R)
• M7: 3,195,859 km (0.073 R)
• M8: 3,673,525 km (0.057 R)
• M9: 4,412,090 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.3

Radius: 8.7

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.24 AU - 1.37 AU

Year: 1023 Days

Day: 9.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 99.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 93,148,997 km

• M1: 108,309 km (0.075 R)
• M2: 413,638 km (0.103 R)
• M3: 797,207 km (0.106 R)
• M4: 1,117,646 km (0.078 R)
• M5: 1,406,968 km (0.102 R)
• M6: 2,028,248 km (0.087 R)
• M7: 3,111,187 km (0.061 R)
• M8: 3,407,540 km (0.056 R)
• M9: 3,851,098 km (0.106 R)
• M10: 4,443,506 km (0.097 R)
• M11: 5,042,944 km (0.089 R)
• M12: 5,471,841 km (0.086 R)
• M13: 6,992,504 km (0.098 R)
• M14: 7,503,680 km (0.034 R)
• M15: 7,944,545 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.6

Radius: 11.3

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.18 AU - 1.78 AU

Year: 1243 Days

Day: 12.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 93,148,997 km

• M1: 140,622 km (0.107 R)
• M2: 551,717 km (0.069 R)
• M3: 999,015 km (0.04 R)
• M4: 1,408,614 km (0.093 R)
• M5: 1,780,215 km (0.041 R)
• M6: 2,228,709 km (0.09 R)
• M7: 2,605,097 km (0.109 R)
• M8: 3,488,473 km (0.115 R)
• M9: 4,265,634 km (0.118 R)
• M10: 4,944,808 km (0.075 R)
• M11: 5,862,142 km (0.052 R)
• M12: 6,679,395 km (0.085 R)
• M13: 7,224,680 km (0.105 R)
• M14: 7,850,896 km (0.076 R)
• M15: 8,567,470 km (0.079 R)
• M16: 9,619,741 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.6

Radius: 11.6

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.29 AU - 1.91 AU

Year: 1397 Days

Day: 6.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 93,148,997 km

• M1: 144,661 km (0.072 R)
• M2: 669,450 km (0.097 R)
• M3: 1,352,814 km (0.091 R)
• M4: 1,977,235 km (0.074 R)
• M5: 3,181,348 km (0.081 R)
• M6: 3,724,239 km (0.09 R)
• M7: 6,562,260 km (0.03 R)
• M8: 8,022,784 km (0.074 R)
• M9: 8,630,002 km (0.111 R)
• M10: 10,155,900 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.6

Radius: 12.4

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.09 AU - 3.15 AU

Year: 2927 Days

Day: 14.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 93,148,997 km

• M1: 154,235 km (0.103 R)
• M2: 617,989 km (0.087 R)
• M3: 1,029,832 km (0.028 R)
• M4: 1,450,202 km (0.051 R)
• M5: 1,938,639 km (0.072 R)
• M6: 2,464,326 km (0.118 R)
• M7: 3,523,179 km (0.102 R)
• M8: 4,616,141 km (0.117 R)
• M9: 6,163,133 km (0.066 R)
• M10: 7,010,904 km (0.049 R)
• M11: 7,432,471 km (0.096 R)
• M12: 7,934,970 km (0.081 R)
• M13: 9,008,335 km (0.041 R)
• M14: 9,507,393 km (0.06 R)
• M15: 9,912,355 km (0.046 R)
• M16: 11,442,292 km (0.088 R)
• M17: 11,943,296 km (0.111 R)
• M18: 13,169,400 km (0.112 R)
• M19: 13,766,445 km (0.106 R)
• M20: 14,817,968 km (0.1 R)
• M21: 16,494,811 km (0.099 R)
• M22: 17,243,099 km (0.084 R)
• M23: 18,635,556 km (0.107 R)
• M24: 19,388,632 km (0.048 R)
• M25: 20,041,627 km (0.048 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 10.7

Radius: 3.9

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 5.83 AU - 8.73 AU

Year: 13558 Days

Day: 21 Hours

Environment

Temp: -232 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 93,148,997 km

• M1: 55,202 km (0.051 R)
• M2: 248,183 km (0.108 R)
• M3: 451,486 km (0.105 R)
• M4: 598,541 km (0.106 R)
• M5: 851,212 km (0.096 R)
• M6: 1,717,533 km (0.082 R)
• M7: 2,105,590 km (0.11 R)
• M8: 4,122,020 km (0.108 R)
• M9: 8,938,174 km (0.104 R)
• M10: 10,257,926 km (0.097 R)
• M11: 10,501,621 km (0.106 R)
• M12: 12,083,618 km (0.105 R)
• M13: 14,590,580 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 602.1

Radius: 6.5

Gravity: 14.25 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 8.04 AU - 11.18 AU

Year: 20563 Days

Day: 21.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 93,148,997 km

• M1: 80,932 km (0.099 R)
• M2: 302,337 km (0.115 R)
• M3: 565,779 km (0.093 R)
• M4: 859,889 km (0.076 R)
• M5: 1,158,187 km (0.046 R)
• M6: 1,852,620 km (0.049 R)
• M7: 2,333,428 km (0.031 R)
• M8: 3,628,496 km (0.11 R)
• M9: 4,215,219 km (0.072 R)
• M10: 4,971,436 km (0.083 R)
• M11: 6,441,984 km (0.097 R)
• M12: 6,929,972 km (0.03 R)
• M13: 8,489,978 km (0.112 R)
• M14: 8,860,233 km (0.104 R)
• M15: 9,632,756 km (0.107 R)
• M16: 10,752,048 km (0.103 R)
• M17: 11,630,337 km (0.088 R)
• M18: 12,828,765 km (0.09 R)
• M19: 16,423,752 km (0.094 R)
• M20: 17,842,837 km (0.086 R)
• M21: 18,626,281 km (0.1 R)
• M22: 22,089,622 km (0.083 R)
• M23: 23,608,040 km (0.103 R)
• M24: 26,514,427 km (0.088 R)
• M25: 27,305,052 km (0.115 R)
• M26: 31,370,524 km (0.051 R)
• M27: 31,621,549 km (0.101 R)
• M28: 32,000,481 km (0.046 R)
• M29: 32,254,797 km (0.085 R)
• M30: 37,629,250 km (0.056 R)
• M31: 39,936,348 km (0.085 R)
• M32: 41,727,334 km (0.087 R)
• M33: 45,148,787 km (0.103 R)
• M34: 45,951,679 km (0.089 R)
• M35: 49,427,735 km (0.053 R)
• M36: 58,212,122 km (0.08 R)
• M37: 69,248,106 km (0.056 R)
• M38: 71,828,221 km (0.073 R)
• M39: 72,921,931 km (0.041 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 885.9

Radius: 3.9

Gravity: 58.24 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 9.53 AU - 11.67 AU

Year: 23822 Days

Day: 22.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 93,148,997 km

• M1: 48,470 km (0.101 R)
• M2: 707,448 km (0.07 R)
• M3: 910,752 km (0.102 R)
• M4: 1,181,225 km (0.079 R)
• M5: 2,158,697 km (0.109 R)
• M6: 3,938,463 km (0.043 R)
• M7: 7,195,358 km (0.118 R)
• M8: 7,659,112 km (0.114 R)
• M9: 12,110,097 km (0.089 R)
• M10: 15,369,685 km (0.1 R)
• M11: 16,398,470 km (0.118 R)
• M12: 21,916,387 km (0.114 R)
• M13: 35,527,101 km (0.082 R)
• M14: 39,956,993 km (0.103 R)
• M15: 48,978,193 km (0.08 R)
• M16: 50,262,491 km (0.12 R)
• M17: 59,472,484 km (0.08 R)
• M18: 66,124,952 km (0.029 R)
• M19: 73,018,571 km (0.096 R)
• M20: 85,018,863 km (0.123 R)
• M21: 87,673,926 km (0.034 R)
• M22: 90,383,892 km (0.113 R)
• M23: 90,932,467 km (0.069 R)
• M24: 91,759,444 km (0.085 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 155 - 16,671 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit