🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104

Radius: 13.6

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.48 AU - 0.78 AU

Year: 339 Days

Day: 14.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 74,588,503 km

• M1: 169,195 km (0.1 R)
• M2: 874,549 km (0.075 R)
• M3: 1,346,680 km (0.112 R)
• M4: 1,992,943 km (0.068 R)
• M5: 2,452,956 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.6

Radius: 13.7

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.67 AU - 0.67 AU

Year: 372 Days

Day: 13 Hours

Environment

Temp: -152 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 74,588,503 km

• M1: 170,392 km (0.107 R)
• M2: 720,763 km (0.076 R)
• M3: 1,217,278 km (0.086 R)
• M4: 1,704,369 km (0.062 R)
• M5: 2,634,718 km (0.088 R)
• M6: 3,355,929 km (0.113 R)
• M7: 3,971,973 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.7

Radius: 12.5

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.19 AU - 2.31 AU

Year: 2289 Days

Day: 14.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,588,503 km

• M1: 155,432 km (0.045 R)
• M2: 582,235 km (0.068 R)
• M3: 1,031,328 km (0.088 R)
• M4: 1,783,506 km (0.091 R)
• M5: 2,553,336 km (0.099 R)
• M6: 3,095,479 km (0.088 R)
• M7: 3,516,597 km (0.108 R)
• M8: 3,976,012 km (0.115 R)
• M9: 4,795,061 km (0.065 R)
• M10: 5,723,465 km (0.092 R)
• M11: 8,185,247 km (0.081 R)
• M12: 8,897,184 km (0.069 R)
• M13: 9,337,002 km (0.116 R)
• M14: 10,444,774 km (0.117 R)
• M15: 11,758,393 km (0.086 R)
• M16: 12,288,867 km (0.116 R)
• M17: 13,266,489 km (0.055 R)
• M18: 13,886,422 km (0.113 R)
• M19: 14,758,728 km (0.08 R)
• M20: 15,328,247 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.8

Radius: 15

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.53 AU - 2.57 AU

Year: 2762 Days

Day: 7.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,588,503 km

• M1: 186,549 km (0.112 R)
• M2: 808,427 km (0.114 R)
• M3: 1,517,521 km (0.117 R)
• M4: 2,103,645 km (0.09 R)
• M5: 3,175,215 km (0.103 R)
• M6: 3,817,289 km (0.073 R)
• M7: 4,484,495 km (0.074 R)
• M8: 4,986,396 km (0.092 R)
• M9: 5,549,333 km (0.043 R)
• M10: 7,788,963 km (0.038 R)
• M11: 8,549,668 km (0.1 R)
• M12: 10,043,702 km (0.082 R)
• M13: 11,551,200 km (0.072 R)
• M14: 12,178,763 km (0.089 R)
• M15: 14,110,969 km (0.106 R)
• M16: 14,737,634 km (0.108 R)
• M17: 15,336,325 km (0.073 R)
• M18: 16,047,064 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.2

Radius: 8.1

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.68 AU - 3.88 AU

Year: 4029 Days

Day: 6.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,588,503 km

• M1: 100,829 km (0.106 R)
• M2: 492,327 km (0.048 R)
• M3: 783,594 km (0.082 R)
• M4: 1,036,564 km (0.114 R)
• M5: 2,011,792 km (0.06 R)
• M6: 2,398,353 km (0.075 R)
• M7: 2,801,968 km (0.077 R)
• M8: 3,112,832 km (0.065 R)
• M9: 3,464,687 km (0.105 R)
• M10: 4,002,042 km (0.057 R)
• M11: 5,146,017 km (0.071 R)
• M12: 6,494,343 km (0.119 R)
• M13: 6,778,579 km (0.075 R)
• M14: 8,695,675 km (0.101 R)
• M15: 9,111,558 km (0.049 R)
• M16: 12,490,225 km (0.11 R)
• M17: 12,975,222 km (0.107 R)
• M18: 14,218,829 km (0.105 R)
• M19: 19,695,906 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.1

Radius: 14.2

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 4.32 AU - 4.6 AU

Year: 6388 Days

Day: 8.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,588,503 km

• M1: 176,525 km (0.114 R)
• M2: 1,861,895 km (0.087 R)
• M3: 2,405,983 km (0.044 R)
• M4: 3,036,089 km (0.071 R)
• M5: 4,445,002 km (0.096 R)
• M6: 5,020,205 km (0.108 R)
• M7: 6,155,055 km (0.089 R)
• M8: 7,417,212 km (0.044 R)
• M9: 9,230,039 km (0.111 R)
• M10: 10,977,941 km (0.072 R)
• M11: 11,725,481 km (0.099 R)
• M12: 14,115,457 km (0.072 R)
• M13: 16,363,613 km (0.082 R)
• M14: 18,561,954 km (0.11 R)
• M15: 20,206,484 km (0.104 R)
• M16: 23,375,714 km (0.082 R)
• M17: 23,865,947 km (0.052 R)
• M18: 26,508,294 km (0.115 R)
• M19: 29,720,011 km (0.098 R)
• M20: 32,167,133 km (0.03 R)
• M21: 32,977,803 km (0.065 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 571.3

Radius: 6.6

Gravity: 13.12 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 9.27 AU - 10.61 AU

Year: 21255 Days

Day: 18.4 Hours

Environment

Temp: -243 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 74,588,503 km

• M1: 82,129 km (0.082 R)
• M2: 309,219 km (0.03 R)
• M3: 523,892 km (0.099 R)
• M4: 762,201 km (0.109 R)
• M5: 1,288,636 km (0.065 R)
• M6: 1,770,790 km (0.101 R)
• M7: 2,808,550 km (0.036 R)
• M8: 3,415,469 km (0.081 R)
• M9: 4,235,265 km (0.072 R)
• M10: 4,535,807 km (0.119 R)
• M11: 5,842,096 km (0.087 R)
• M12: 6,385,585 km (0.107 R)
• M13: 6,826,300 km (0.113 R)
• M14: 11,174,363 km (0.111 R)
• M15: 12,957,420 km (0.119 R)
• M16: 14,172,603 km (0.1 R)
• M17: 16,581,129 km (0.049 R)
• M18: 18,272,183 km (0.102 R)
• M19: 20,828,063 km (0.041 R)
• M20: 25,310,613 km (0.071 R)
• M21: 26,636,200 km (0.077 R)
• M22: 38,660,129 km (0.112 R)
• M23: 40,119,456 km (0.1 R)
• M24: 43,458,481 km (0.077 R)
• M25: 49,144,845 km (0.093 R)
• M26: 51,726,456 km (0.079 R)
• M27: 56,785,108 km (0.101 R)
• M28: 61,768,662 km (0.081 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 265 - 12,175 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit