🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.6

Radius: 12.6

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.41 AU - 0.65 AU

Year: 262 Days

Day: 7 Hours

Environment

Temp: -138 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 95,019,881 km

• M1: 156,629 km (0.068 R)
• M2: 556,504 km (0.117 R)
• M3: 1,061,546 km (0.115 R)
• M4: 1,466,508 km (0.119 R)
• M5: 1,977,235 km (0.082 R)
• M6: 2,377,110 km (0.054 R)
• M7: 2,787,308 km (0.106 R)
• M8: 3,254,950 km (0.064 R)
• M9: 3,774,953 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.9

Radius: 14.2

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.77 AU - 0.97 AU

Year: 550 Days

Day: 8.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 95,019,881 km

• M1: 176,525 km (0.091 R)
• M2: 652,247 km (0.087 R)
• M3: 1,216,081 km (0.105 R)
• M4: 1,968,110 km (0.07 R)
• M5: 3,026,814 km (0.113 R)
• M6: 3,572,996 km (0.06 R)
• M7: 4,075,944 km (0.085 R)
• M8: 5,114,452 km (0.042 R)
• M9: 5,569,978 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.6

Radius: 14.1

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.45 AU - 2.13 AU

Year: 1624 Days

Day: 8.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 95,019,881 km

• M1: 175,329 km (0.105 R)
• M2: 2,362,300 km (0.071 R)
• M3: 4,075,495 km (0.1 R)
• M4: 5,520,461 km (0.11 R)
• M5: 6,533,537 km (0.05 R)
• M6: 8,237,158 km (0.117 R)
• M7: 9,177,081 km (0.082 R)
• M8: 10,019,467 km (0.105 R)
• M9: 11,672,523 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.7

Radius: 14.6

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.48 AU - 2.2 AU

Year: 1693 Days

Day: 8.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 95,019,881 km

• M1: 181,612 km (0.025 R)
• M2: 683,064 km (0.118 R)
• M3: 1,173,745 km (0.101 R)
• M4: 1,725,611 km (0.065 R)
• M5: 2,542,266 km (0.112 R)
• M6: 3,847,358 km (0.107 R)
• M7: 4,383,367 km (0.12 R)
• M8: 4,843,979 km (0.116 R)
• M9: 6,250,349 km (0.086 R)
• M10: 7,885,304 km (0.099 R)
• M11: 8,694,030 km (0.112 R)
• M12: 9,231,236 km (0.056 R)
• M13: 10,164,427 km (0.118 R)
• M14: 10,689,665 km (0.103 R)
• M15: 11,233,155 km (0.104 R)
• M16: 11,833,042 km (0.089 R)
• M17: 12,336,140 km (0.109 R)
• M18: 12,853,599 km (0.047 R)
• M19: 13,889,564 km (0.108 R)
• M20: 14,449,958 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671

Radius: 11.1

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.41 AU - 2.59 AU

Year: 2681 Days

Day: 10.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 95,019,881 km

• M1: 138,228 km (0.107 R)
• M2: 499,657 km (0.119 R)
• M3: 995,275 km (0.064 R)
• M4: 1,905,278 km (0.067 R)
• M5: 2,776,088 km (0.06 R)
• M6: 3,816,391 km (0.12 R)
• M7: 4,341,181 km (0.106 R)
• M8: 4,754,669 km (0.113 R)
• M9: 8,232,520 km (0.093 R)
• M10: 9,718,775 km (0.093 R)
• M11: 10,126,130 km (0.12 R)
• M12: 11,954,815 km (0.114 R)
• M13: 13,260,206 km (0.06 R)
• M14: 14,040,957 km (0.057 R)
• M15: 14,562,306 km (0.054 R)
• M16: 14,998,383 km (0.098 R)
• M17: 15,343,506 km (0.104 R)
• M18: 17,042,937 km (0.103 R)
• M19: 18,076,659 km (0.098 R)
• M20: 18,921,737 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.7

Radius: 12.2

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.65 AU - 2.67 AU

Year: 2942 Days

Day: 7.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 81 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 95,019,881 km

• M1: 157,826 km (0.103 R)
• M2: 565,480 km (0.099 R)
• M3: 1,231,938 km (0.095 R)
• M4: 2,369,331 km (0.089 R)
• M5: 3,481,142 km (0.118 R)
• M6: 5,313,716 km (0.101 R)
• M7: 5,817,113 km (0.11 R)
• M8: 6,647,082 km (0.061 R)
• M9: 8,366,261 km (0.107 R)
• M10: 9,808,384 km (0.067 R)
• M11: 12,943,507 km (0.111 R)
• M12: 13,564,787 km (0.088 R)
• M13: 15,495,048 km (0.079 R)
• M14: 19,027,802 km (0.115 R)
• M15: 21,440,068 km (0.094 R)
• M16: 22,926,322 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 954.9

Radius: 5

Gravity: 38.2 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 9.51 AU - 11.83 AU

Year: 23639 Days

Day: 23.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 95,019,881 km

• M1: 67,020 km (0.087 R)
• M2: 252,072 km (0.094 R)
• M3: 465,848 km (0.05 R)
• M4: 799,301 km (0.093 R)
• M5: 1,073,365 km (0.043 R)
• M6: 1,247,945 km (0.083 R)
• M7: 2,730,012 km (0.066 R)
• M8: 3,030,105 km (0.116 R)
• M9: 3,232,511 km (0.088 R)
• M10: 5,109,814 km (0.094 R)
• M11: 6,094,019 km (0.071 R)
• M12: 6,370,177 km (0.105 R)
• M13: 6,654,712 km (0.119 R)
• M14: 7,771,161 km (0.088 R)
• M15: 14,199,231 km (0.056 R)
• M16: 15,097,866 km (0.101 R)
• M17: 16,649,046 km (0.025 R)
• M18: 19,663,892 km (0.029 R)
• M19: 20,368,648 km (0.117 R)
• M20: 22,258,069 km (0.085 R)
• M21: 24,490,967 km (0.078 R)
• M22: 24,722,095 km (0.084 R)
• M23: 26,746,304 km (0.104 R)
• M24: 27,238,182 km (0.086 R)
• M25: 29,136,579 km (0.116 R)
• M26: 29,396,131 km (0.106 R)
• M27: 32,632,681 km (0.114 R)
• M28: 38,854,157 km (0.118 R)
• M29: 47,058,105 km (0.045 R)
• M30: 55,743,159 km (0.104 R)
• M31: 56,143,183 km (0.092 R)
• M32: 57,967,380 km (0.113 R)
• M33: 64,113,608 km (0.115 R)
• M34: 65,437,250 km (0.111 R)
• M35: 67,004,437 km (0.109 R)
• M36: 74,004,571 km (0.057 R)
• M37: 76,688,656 km (0.092 R)
• M38: 76,935,941 km (0.062 R)
• M39: 80,452,538 km (0.184 R)
• M40: 87,804,077 km (0.107 R)
• M41: 90,534,387 km (0.091 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 301 - 15,902 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit