🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.6

Radius: 11.9

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.52 AU - 0.7 AU

Year: 335 Days

Day: 5.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,780,008 km

• M1: 148,251 km (0.059 R)
• M2: 538,552 km (0.068 R)
• M3: 913,445 km (0.099 R)
• M4: 1,310,777 km (0.118 R)
• M5: 1,680,882 km (0.102 R)
• M6: 2,367,835 km (0.094 R)
• M7: 2,832,486 km (0.072 R)
• M8: 3,319,427 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.1

Radius: 11.3

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.53 AU - 0.73 AU

Year: 351 Days

Day: 14.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,780,008 km

• M1: 140,472 km (0.115 R)
• M2: 702,063 km (0.087 R)
• M3: 1,263,204 km (0.103 R)
• M4: 1,912,609 km (0.118 R)
• M5: 2,282,564 km (0.028 R)
• M6: 3,050,301 km (0.116 R)
• M7: 3,818,934 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.8

Radius: 12.6

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.88 AU - 0.92 AU

Year: 600 Days

Day: 13.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,780,008 km

• M1: 156,629 km (0.104 R)
• M2: 738,714 km (0.109 R)
• M3: 1,163,572 km (0.107 R)
• M4: 1,756,877 km (0.031 R)
• M5: 2,182,334 km (0.095 R)
• M6: 2,697,848 km (0.106 R)
• M7: 3,142,752 km (0.106 R)
• M8: 4,281,042 km (0.095 R)
• M9: 4,828,720 km (0.104 R)
• M10: 5,540,507 km (0.081 R)
• M11: 6,047,045 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.5

Radius: 14

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.13 AU - 1.71 AU

Year: 1189 Days

Day: 10.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,780,008 km

• M1: 174,132 km (0.054 R)
• M2: 817,702 km (0.112 R)
• M3: 1,282,054 km (0.098 R)
• M4: 2,214,048 km (0.096 R)
• M5: 3,184,639 km (0.037 R)
• M6: 3,798,290 km (0.086 R)
• M7: 4,256,059 km (0.076 R)
• M8: 4,750,929 km (0.108 R)
• M9: 5,399,436 km (0.085 R)
• M10: 6,276,528 km (0.073 R)
• M11: 6,738,486 km (0.095 R)
• M12: 7,175,911 km (0.104 R)
• M13: 7,855,384 km (0.095 R)
• M14: 9,259,211 km (0.068 R)
• M15: 9,976,981 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.7

Radius: 11.6

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.96 AU - 3.14 AU

Year: 2862 Days

Day: 5.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,780,008 km

• M1: 144,362 km (0.05 R)
• M2: 538,403 km (0.09 R)
• M3: 1,010,234 km (0.083 R)
• M4: 1,633,908 km (0.104 R)
• M5: 3,482,788 km (0.089 R)
• M6: 4,019,396 km (0.104 R)
• M7: 5,109,964 km (0.085 R)
• M8: 5,698,183 km (0.059 R)
• M9: 6,709,016 km (0.084 R)
• M10: 7,639,664 km (0.076 R)
• M11: 8,549,070 km (0.046 R)
• M12: 10,262,564 km (0.063 R)
• M13: 10,950,265 km (0.102 R)
• M14: 17,548,877 km (0.098 R)
• M15: 20,045,965 km (0.112 R)
• M16: 20,800,836 km (0.117 R)
• M17: 22,434,295 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671

Radius: 10.2

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.59 AU - 3.93 AU

Year: 4137 Days

Day: 12.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,780,008 km

• M1: 128,205 km (0.062 R)
• M2: 455,376 km (0.071 R)
• M3: 996,920 km (0.111 R)
• M4: 1,616,405 km (0.089 R)
• M5: 2,337,168 km (0.042 R)
• M6: 2,875,421 km (0.101 R)
• M7: 3,474,560 km (0.025 R)
• M8: 3,977,059 km (0.116 R)
• M9: 5,232,784 km (0.078 R)
• M10: 5,894,455 km (0.075 R)
• M11: 6,830,489 km (0.045 R)
• M12: 9,581,744 km (0.104 R)
• M13: 10,743,221 km (0.114 R)
• M14: 11,135,916 km (0.114 R)
• M15: 12,610,053 km (0.075 R)
• M16: 14,951,559 km (0.054 R)
• M17: 15,662,598 km (0.09 R)
• M18: 16,224,637 km (0.094 R)
• M19: 16,684,052 km (0.066 R)
• M20: 18,114,357 km (0.096 R)
• M21: 20,610,547 km (0.04 R)
• M22: 21,628,860 km (0.064 R)
• M23: 21,975,628 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 766.6

Radius: 5.6

Gravity: 24.45 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 6.94 AU - 7.82 AU

Year: 14093 Days

Day: 21.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 60,780,008 km

• M1: 70,610 km (0.092 R)
• M2: 365,916 km (0.064 R)
• M3: 607,966 km (0.083 R)
• M4: 933,491 km (0.107 R)
• M5: 1,193,342 km (0.057 R)
• M6: 1,657,544 km (0.052 R)
• M7: 3,949,833 km (0.105 R)
• M8: 4,471,331 km (0.095 R)
• M9: 4,798,950 km (0.101 R)
• M10: 5,037,559 km (0.088 R)
• M11: 5,392,255 km (0.112 R)
• M12: 6,033,432 km (0.119 R)
• M13: 7,974,314 km (0.107 R)
• M14: 8,456,169 km (0.08 R)
• M15: 8,957,173 km (0.077 R)
• M16: 9,372,157 km (0.088 R)
• M17: 9,691,698 km (0.107 R)
• M18: 11,279,679 km (0.1 R)
• M19: 13,298,054 km (0.115 R)
• M20: 14,533,284 km (0.081 R)
• M21: 17,150,349 km (0.092 R)
• M22: 17,952,044 km (0.055 R)
• M23: 19,116,214 km (0.113 R)
• M24: 23,197,992 km (0.119 R)
• M25: 34,144,816 km (0.092 R)
• M26: 40,791,599 km (0.063 R)
• M27: 52,968,268 km (0.102 R)
• M28: 54,151,288 km (0.112 R)
• M29: 58,340,926 km (0.11 R)
• M30: 59,966,157 km (0.044 R)
• M31: 60,881,995 km (0.115 R)
• M32: 61,250,903 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 441.3

Radius: 4.2

Gravity: 25.02 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 8.09 AU - 9.15 AU

Year: 17790 Days

Day: 16.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 60,780,008 km

• M1: 52,658 km (0.12 R)
• M2: 237,412 km (0.096 R)
• M3: 672,742 km (0.066 R)
• M4: 1,564,195 km (0.111 R)
• M5: 1,826,590 km (0.104 R)
• M6: 2,769,057 km (0.066 R)
• M7: 3,178,356 km (0.103 R)
• M8: 3,766,575 km (0.107 R)
• M9: 4,392,642 km (0.107 R)
• M10: 4,948,249 km (0.053 R)
• M11: 7,417,810 km (0.105 R)
• M12: 8,395,433 km (0.095 R)
• M13: 9,561,698 km (0.114 R)
• M14: 10,155,751 km (0.102 R)
• M15: 11,417,459 km (0.079 R)
• M16: 14,807,347 km (0.088 R)
• M17: 16,046,466 km (0.073 R)
• M18: 24,961,153 km (0.057 R)
• M19: 25,162,811 km (0.112 R)
• M20: 26,395,796 km (0.045 R)
• M21: 26,710,251 km (0.096 R)
• M22: 29,204,496 km (0.099 R)
• M23: 32,565,063 km (0.09 R)
• M24: 33,781,144 km (0.087 R)
• M25: 36,045,757 km (0.067 R)
• M26: 39,356,208 km (0.104 R)
• M27: 41,295,595 km (0.086 R)
• M28: 45,363,759 km (0.088 R)
• M29: 45,814,946 km (0.07 R)
• M30: 48,115,462 km (0.086 R)
• M31: 49,056,732 km (0.063 R)
• M32: 51,300,999 km (0.111 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 199 - 13,045 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit