🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.2

Radius: 12.7

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.07 AU - 1.31 AU

Year: 825 Days

Day: 8.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,920,359 km

• M1: 157,975 km (0.061 R)
• M2: 554,111 km (0.101 R)
• M3: 1,074,412 km (0.075 R)
• M4: 1,498,821 km (0.092 R)
• M5: 2,148,674 km (0.071 R)
• M6: 3,327,655 km (0.077 R)
• M7: 3,972,721 km (0.086 R)
• M8: 4,395,634 km (0.114 R)
• M9: 4,966,799 km (0.108 R)
• M10: 5,642,682 km (0.054 R)
• M11: 6,358,807 km (0.059 R)
• M12: 7,026,462 km (0.11 R)
• M13: 7,648,490 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.4

Radius: 11.2

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.51 AU - 1.83 AU

Year: 1372 Days

Day: 10.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,920,359 km

• M1: 139,425 km (0.052 R)
• M2: 494,421 km (0.069 R)
• M3: 895,792 km (0.045 R)
• M4: 1,285,495 km (0.084 R)
• M5: 1,720,226 km (0.077 R)
• M6: 2,124,439 km (0.098 R)
• M7: 2,893,821 km (0.03 R)
• M8: 3,569,555 km (0.087 R)
• M9: 4,143,113 km (0.09 R)
• M10: 4,539,398 km (0.095 R)
• M11: 5,171,000 km (0.09 R)
• M12: 5,837,159 km (0.088 R)
• M13: 7,642,207 km (0.104 R)
• M14: 9,564,989 km (0.112 R)
• M15: 11,168,827 km (0.114 R)
• M16: 11,716,505 km (0.107 R)
• M17: 12,513,263 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.6

Radius: 11.1

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.37 AU - 3.25 AU

Year: 2995 Days

Day: 9.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,920,359 km

• M1: 138,079 km (0.105 R)
• M2: 521,498 km (0.078 R)
• M3: 891,903 km (0.058 R)
• M4: 1,259,614 km (0.093 R)
• M5: 1,741,918 km (0.094 R)
• M6: 2,130,274 km (0.1 R)
• M7: 2,576,674 km (0.054 R)
• M8: 3,364,007 km (0.084 R)
• M9: 4,262,492 km (0.075 R)
• M10: 4,632,597 km (0.08 R)
• M11: 5,167,709 km (0.069 R)
• M12: 6,114,963 km (0.054 R)
• M13: 7,024,218 km (0.069 R)
• M14: 7,449,525 km (0.111 R)
• M15: 8,054,050 km (0.081 R)
• M16: 10,180,135 km (0.077 R)
• M17: 11,875,229 km (0.036 R)
• M18: 13,196,178 km (0.099 R)
• M19: 17,358,888 km (0.111 R)
• M20: 19,886,494 km (0.063 R)
• M21: 20,371,041 km (0.032 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.3

Radius: 11.3

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 3.84 AU - 4.78 AU

Year: 5689 Days

Day: 7.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,920,359 km

• M1: 140,921 km (0.066 R)
• M2: 958,025 km (0.065 R)
• M3: 1,453,343 km (0.102 R)
• M4: 3,419,209 km (0.034 R)
• M5: 4,671,493 km (0.037 R)
• M6: 5,788,390 km (0.04 R)
• M7: 6,146,827 km (0.119 R)
• M8: 7,008,211 km (0.112 R)
• M9: 7,948,284 km (0.081 R)
• M10: 9,657,590 km (0.092 R)
• M11: 10,120,745 km (0.083 R)
• M12: 16,242,439 km (0.12 R)
• M13: 17,141,223 km (0.039 R)
• M14: 18,712,450 km (0.086 R)
• M15: 27,442,682 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 374.6

Radius: 3.7

Gravity: 27.36 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 5.84 AU - 6.76 AU

Year: 10054 Days

Day: 22.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 30,920,359 km

• M1: 46,076 km (0.084 R)
• M2: 198,068 km (0.038 R)
• M3: 319,840 km (0.081 R)
• M4: 524,041 km (0.11 R)
• M5: 1,128,267 km (0.063 R)
• M6: 1,496,876 km (0.046 R)
• M7: 1,759,720 km (0.032 R)
• M8: 2,714,753 km (0.082 R)
• M9: 3,796,345 km (0.092 R)
• M10: 4,928,203 km (0.067 R)
• M11: 6,164,779 km (0.118 R)
• M12: 8,406,652 km (0.098 R)
• M13: 8,877,287 km (0.099 R)
• M14: 10,443,278 km (0.075 R)
• M15: 10,836,870 km (0.116 R)
• M16: 17,775,668 km (0.115 R)
• M17: 18,194,991 km (0.093 R)
• M18: 23,003,964 km (0.108 R)
• M19: 25,742,502 km (0.069 R)
• M20: 26,369,168 km (0.063 R)
• M21: 30,642,880 km (0.095 R)
• M22: 31,549,593 km (0.077 R)
• M23: 38,519,507 km (0.114 R)
• M24: 38,986,252 km (0.061 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 112.7

Radius: 7.3

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 6.26 AU - 8.52 AU

Year: 12773 Days

Day: 24.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 30,920,359 km

• M1: 90,806 km (0.109 R)
• M2: 319,391 km (0.118 R)
• M3: 1,063,641 km (0.112 R)
• M4: 1,493,436 km (0.056 R)
• M5: 2,474,199 km (0.052 R)
• M6: 3,013,948 km (0.11 R)
• M7: 4,061,283 km (0.094 R)
• M8: 5,740,369 km (0.067 R)
• M9: 6,074,870 km (0.11 R)
• M10: 6,519,625 km (0.112 R)
• M11: 6,750,006 km (0.09 R)
• M12: 8,286,824 km (0.107 R)
• M13: 11,694,066 km (0.089 R)
• M14: 12,332,100 km (0.108 R)
• M15: 13,045,084 km (0.055 R)
• M16: 14,385,930 km (0.112 R)
• M17: 15,233,252 km (0.028 R)
• M18: 20,532,457 km (0.113 R)
• M19: 21,171,988 km (0.08 R)
• M20: 22,267,194 km (0.035 R)
• M21: 24,649,540 km (0.11 R)
• M22: 25,943,263 km (0.091 R)
• M23: 26,942,876 km (0.116 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: 373 - 15,094 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit