🌌 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: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.4

Radius: 12.1

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.55 AU - 0.79 AU

Year: 372 Days

Day: 12.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,982,692 km

• M1: 150,645 km (0.086 R)
• M2: 535,112 km (0.077 R)
• M3: 915,988 km (0.12 R)
• M4: 1,616,405 km (0.114 R)
• M5: 2,158,548 km (0.106 R)
• M6: 2,902,797 km (0.118 R)
• M7: 3,798,589 km (0.086 R)
• M8: 5,591,370 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.7

Radius: 14.3

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.99 AU - 1.43 AU

Year: 903 Days

Day: 12.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,982,692 km

• M1: 177,872 km (0.106 R)
• M2: 657,931 km (0.091 R)
• M3: 1,117,047 km (0.03 R)
• M4: 1,839,455 km (0.1 R)
• M5: 2,381,748 km (0.097 R)
• M6: 2,835,478 km (0.033 R)
• M7: 3,333,489 km (0.063 R)
• M8: 4,116,634 km (0.101 R)
• M9: 5,388,515 km (0.069 R)
• M10: 6,072,776 km (0.079 R)
• M11: 8,105,213 km (0.084 R)
• M12: 8,920,970 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.4

Radius: 10.5

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.02 AU - 4.02 AU

Year: 4479 Days

Day: 11.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,982,692 km

• M1: 130,599 km (0.074 R)
• M2: 464,801 km (0.103 R)
• M3: 804,089 km (0.1 R)
• M4: 1,134,550 km (0.115 R)
• M5: 1,764,656 km (0.107 R)
• M6: 2,340,907 km (0.079 R)
• M7: 3,020,381 km (0.06 R)
• M8: 3,612,639 km (0.058 R)
• M9: 3,959,108 km (0.088 R)
• M10: 4,770,227 km (0.06 R)
• M11: 5,462,417 km (0.074 R)
• M12: 6,009,646 km (0.076 R)
• M13: 6,656,507 km (0.095 R)
• M14: 7,315,186 km (0.119 R)
• M15: 9,034,515 km (0.03 R)
• M16: 9,759,316 km (0.071 R)
• M17: 11,976,955 km (0.113 R)
• M18: 13,253,923 km (0.117 R)
• M19: 16,134,729 km (0.1 R)
• M20: 18,314,220 km (0.113 R)
• M21: 23,398,005 km (0.062 R)
• M22: 24,686,192 km (0.051 R)
• M23: 26,020,904 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.6

Radius: 12.9

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.15 AU - 4.95 AU

Year: 5528 Days

Day: 6.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,982,692 km

• M1: 242,797 km (0.116 R)
• M2: 683,662 km (0.109 R)
• M3: 1,447,359 km (0.095 R)
• M4: 2,870,035 km (0.095 R)
• M5: 3,321,821 km (0.094 R)
• M6: 3,843,020 km (0.103 R)
• M7: 4,467,142 km (0.081 R)
• M8: 4,894,244 km (0.109 R)
• M9: 5,919,289 km (0.101 R)
• M10: 7,353,035 km (0.062 R)
• M11: 8,657,977 km (0.04 R)
• M12: 10,026,947 km (0.082 R)
• M13: 12,006,875 km (0.114 R)
• M14: 12,442,055 km (0.087 R)
• M15: 15,561,021 km (0.049 R)
• M16: 17,515,966 km (0.117 R)
• M17: 20,031,753 km (0.112 R)
• M18: 23,372,723 km (0.089 R)
• M19: 27,068,688 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.6

Radius: 9.2

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 4.24 AU - 4.48 AU

Year: 6175 Days

Day: 14.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,982,692 km

• M1: 114,592 km (0.07 R)
• M2: 512,822 km (0.107 R)
• M3: 811,718 km (0.041 R)
• M4: 1,180,327 km (0.041 R)
• M5: 1,483,712 km (0.09 R)
• M6: 1,874,910 km (0.077 R)
• M7: 4,054,252 km (0.074 R)
• M8: 4,493,322 km (0.117 R)
• M9: 7,637,570 km (0.091 R)
• M10: 7,984,188 km (0.033 R)
• M11: 8,879,980 km (0.08 R)
• M12: 9,658,188 km (0.119 R)
• M13: 10,328,087 km (0.105 R)
• M14: 10,870,230 km (0.093 R)
• M15: 11,349,990 km (0.117 R)
• M16: 11,636,321 km (0.06 R)
• M17: 14,198,184 km (0.047 R)
• M18: 15,261,227 km (0.029 R)
• M19: 15,964,786 km (0.04 R)
• M20: 16,532,659 km (0.068 R)
• M21: 18,094,461 km (0.073 R)
• M22: 18,429,560 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 111

Radius: 5.3

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 8.88 AU - 11.82 AU

Year: 22584 Days

Day: 15.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,982,692 km

• M1: 73,453 km (0.044 R)
• M2: 256,860 km (0.027 R)
• M3: 1,020,557 km (0.117 R)
• M4: 1,579,604 km (0.034 R)
• M5: 2,434,556 km (0.059 R)
• M6: 3,814,447 km (0.092 R)
• M7: 3,997,405 km (0.062 R)
• M8: 4,296,900 km (0.08 R)
• M9: 5,382,681 km (0.067 R)
• M10: 5,613,361 km (0.109 R)
• M11: 5,850,623 km (0.116 R)
• M12: 6,308,991 km (0.115 R)
• M13: 11,297,182 km (0.081 R)
• M14: 15,671,275 km (0.114 R)
• M15: 16,484,189 km (0.094 R)
• M16: 17,828,177 km (0.071 R)
• M17: 19,319,967 km (0.12 R)
• M18: 20,096,230 km (0.076 R)
• M19: 25,563,583 km (0.066 R)
• M20: 28,835,289 km (0.091 R)
• M21: 30,884,630 km (0.085 R)
• M22: 37,971,530 km (0.052 R)
• M23: 41,825,620 km (0.077 R)
• M24: 44,982,733 km (0.053 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 429 - 14,582 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit