🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.78 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331

Radius: 8.6

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.31 AU - 3.79 AU

Year: 2802 Days

Day: 8.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,806,114 km

• M1: 106,962 km (0.11 R)
• M2: 398,080 km (0.113 R)
• M3: 741,407 km (0.062 R)
• M4: 1,020,108 km (0.115 R)
• M5: 1,379,143 km (0.096 R)
• M6: 2,001,021 km (0.109 R)
• M7: 2,529,700 km (0.06 R)
• M8: 3,326,757 km (0.078 R)
• M9: 3,615,182 km (0.049 R)
• M10: 4,480,905 km (0.051 R)
• M11: 5,049,826 km (0.112 R)
• M12: 5,340,494 km (0.112 R)
• M13: 6,331,431 km (0.103 R)
• M14: 8,055,995 km (0.1 R)
• M15: 9,124,273 km (0.047 R)
• M16: 10,213,346 km (0.086 R)
• M17: 12,770,721 km (0.04 R)
• M18: 13,269,930 km (0.111 R)
• M19: 15,444,933 km (0.05 R)

Asteroid Belt

Center: 3.95 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.8

Radius: 11.5

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3.59 AU - 5.09 AU

Year: 3788 Days

Day: 7.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,806,114 km

• M1: 143,464 km (0.076 R)
• M2: 743,352 km (0.11 R)
• M3: 1,148,313 km (0.119 R)
• M4: 1,543,850 km (0.059 R)
• M5: 2,269,250 km (0.091 R)
• M6: 2,637,261 km (0.075 R)
• M7: 3,136,020 km (0.079 R)
• M8: 3,615,781 km (0.049 R)
• M9: 4,122,319 km (0.088 R)
• M10: 5,226,052 km (0.105 R)
• M11: 6,517,082 km (0.099 R)
• M12: 7,012,849 km (0.099 R)
• M13: 7,803,474 km (0.06 R)
• M14: 8,291,612 km (0.104 R)
• M15: 9,640,835 km (0.052 R)
• M16: 11,306,009 km (0.073 R)
• M17: 12,160,961 km (0.118 R)
• M18: 12,675,278 km (0.118 R)
• M19: 13,747,446 km (0.025 R)
• M20: 14,305,745 km (0.096 R)
• M21: 15,144,840 km (0.067 R)
• M22: 16,521,140 km (0.104 R)
• M23: 20,619,224 km (0.058 R)
• M24: 23,008,452 km (0.1 R)
• M25: 24,973,569 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.8

Radius: 12.3

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 7.7 AU - 7.74 AU

Year: 8987 Days

Day: 14.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 71.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,806,114 km

• M1: 153,936 km (0.099 R)
• M2: 712,684 km (0.093 R)
• M3: 1,663,977 km (0.081 R)
• M4: 2,460,137 km (0.038 R)
• M5: 3,637,921 km (0.035 R)
• M6: 4,574,404 km (0.111 R)
• M7: 5,283,797 km (0.1 R)
• M8: 7,034,840 km (0.11 R)
• M9: 8,701,211 km (0.058 R)
• M10: 10,174,151 km (0.119 R)
• M11: 14,699,337 km (0.105 R)
• M12: 15,847,202 km (0.031 R)
• M13: 20,963,000 km (0.118 R)
• M14: 22,416,194 km (0.058 R)
• M15: 22,999,027 km (0.089 R)
• M16: 26,341,791 km (0.115 R)
• M17: 35,976,343 km (0.086 R)
• M18: 39,245,356 km (0.109 R)
• M19: 41,448,334 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.3

Radius: 11.9

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 6.89 AU - 9.17 AU

Year: 9534 Days

Day: 5.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,806,114 km

• M1: 148,401 km (0.089 R)
• M2: 946,057 km (0.082 R)
• M3: 1,550,582 km (0.06 R)
• M4: 2,193,105 km (0.099 R)
• M5: 3,357,425 km (0.03 R)
• M6: 4,037,946 km (0.085 R)
• M7: 4,578,742 km (0.108 R)
• M8: 5,106,374 km (0.092 R)
• M9: 10,852,428 km (0.052 R)
• M10: 12,009,717 km (0.046 R)
• M11: 12,506,232 km (0.094 R)
• M12: 14,630,522 km (0.069 R)
• M13: 21,454,579 km (0.062 R)
• M14: 32,526,167 km (0.106 R)
• M15: 33,927,451 km (0.049 R)
• M16: 37,314,346 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 195.7

Radius: 4.6

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 13.56 AU - 21 AU

Year: 30095 Days

Day: 20.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 65,806,114 km

• M1: 58,194 km (0.098 R)
• M2: 233,821 km (0.076 R)
• M3: 397,631 km (0.039 R)
• M4: 683,662 km (0.115 R)
• M5: 1,978,282 km (0.063 R)
• M6: 2,232,000 km (0.092 R)
• M7: 4,928,352 km (0.045 R)
• M8: 5,929,611 km (0.097 R)
• M9: 7,014,943 km (0.112 R)
• M10: 7,651,333 km (0.101 R)
• M11: 9,142,973 km (0.111 R)
• M12: 14,117,401 km (0.096 R)
• M13: 15,054,483 km (0.064 R)
• M14: 15,651,378 km (0.1 R)
• M15: 16,497,504 km (0.108 R)
• M16: 18,788,445 km (0.116 R)
• M17: 19,045,754 km (0.04 R)
• M18: 21,190,090 km (0.114 R)
• M19: 22,512,535 km (0.114 R)
• M20: 23,688,972 km (0.068 R)
• M21: 25,320,636 km (0.087 R)
• M22: 34,228,142 km (0.09 R)
• M23: 43,203,865 km (0.043 R)
• M24: 45,477,005 km (0.083 R)
• M25: 45,631,390 km (0.065 R)
• M26: 45,785,924 km (0.04 R)
• M27: 50,259,948 km (0.066 R)
• M28: 52,263,363 km (0.052 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 261 - 19,195 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit