🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.6

Radius: 14

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.65 AU - 0.67 AU

Year: 358 Days

Day: 7.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,047,408 km

• M1: 174,132 km (0.069 R)
• M2: 614,847 km (0.113 R)
• M3: 1,307,485 km (0.092 R)
• M4: 1,807,890 km (0.096 R)
• M5: 2,259,227 km (0.114 R)
• M6: 2,795,984 km (0.102 R)
• M7: 3,386,148 km (0.089 R)
• M8: 3,975,863 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.4

Radius: 10.2

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.43 AU - 1.71 AU

Year: 1312 Days

Day: 7.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,047,408 km

• M1: 128,355 km (0.086 R)
• M2: 510,578 km (0.063 R)
• M3: 1,230,592 km (0.074 R)
• M4: 1,579,754 km (0.112 R)
• M5: 2,248,007 km (0.097 R)
• M6: 2,673,613 km (0.119 R)
• M7: 3,109,242 km (0.073 R)
• M8: 3,466,781 km (0.091 R)
• M9: 4,037,796 km (0.034 R)
• M10: 4,921,620 km (0.069 R)
• M11: 5,263,900 km (0.085 R)
• M12: 5,796,469 km (0.107 R)
• M13: 6,294,480 km (0.103 R)
• M14: 7,745,280 km (0.081 R)
• M15: 8,098,930 km (0.066 R)
• M16: 8,956,425 km (0.097 R)
• M17: 9,904,875 km (0.113 R)
• M18: 10,986,767 km (0.105 R)
• M19: 11,644,399 km (0.045 R)
• M20: 12,401,663 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.4

Radius: 10.8

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.76 AU - 4.28 AU

Year: 5375 Days

Day: 11.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 34,047,408 km

• M1: 177,124 km (0.064 R)
• M2: 551,717 km (0.106 R)
• M3: 964,457 km (0.096 R)
• M4: 1,408,614 km (0.066 R)
• M5: 1,931,009 km (0.073 R)
• M6: 2,375,764 km (0.071 R)
• M7: 2,832,187 km (0.115 R)
• M8: 3,367,598 km (0.114 R)
• M9: 3,761,339 km (0.042 R)
• M10: 4,359,432 km (0.082 R)
• M11: 4,801,493 km (0.08 R)
• M12: 7,121,158 km (0.045 R)
• M13: 7,662,104 km (0.113 R)
• M14: 8,037,894 km (0.096 R)
• M15: 10,104,738 km (0.115 R)
• M16: 10,928,872 km (0.077 R)
• M17: 11,454,111 km (0.12 R)
• M18: 13,131,701 km (0.094 R)
• M19: 14,394,008 km (0.094 R)
• M20: 16,591,900 km (0.117 R)
• M21: 17,350,361 km (0.088 R)
• M22: 17,868,718 km (0.057 R)
• M23: 18,464,267 km (0.117 R)
• M24: 22,471,545 km (0.071 R)
• M25: 25,749,234 km (0.108 R)
• M26: 27,283,959 km (0.12 R)
• M27: 28,073,836 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.9

Radius: 13.4

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 4.03 AU - 5.15 AU

Year: 6558 Days

Day: 7.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 116.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,047,408 km

• M1: 166,652 km (0.119 R)
• M2: 847,921 km (0.03 R)
• M3: 1,302,997 km (0.065 R)
• M4: 1,912,310 km (0.114 R)
• M5: 2,555,730 km (0.111 R)
• M6: 3,280,831 km (0.078 R)
• M7: 4,328,315 km (0.092 R)
• M8: 5,062,691 km (0.111 R)
• M9: 6,118,703 km (0.098 R)
• M10: 6,618,808 km (0.054 R)
• M11: 7,737,202 km (0.073 R)
• M12: 9,176,782 km (0.096 R)
• M13: 12,730,928 km (0.088 R)
• M14: 13,864,731 km (0.093 R)
• M15: 15,233,551 km (0.025 R)
• M16: 16,811,210 km (0.025 R)
• M17: 17,237,415 km (0.054 R)
• M18: 19,146,583 km (0.083 R)
• M19: 19,880,809 km (0.118 R)
• M20: 21,263,841 km (0.068 R)
• M21: 23,989,963 km (0.108 R)
• M22: 28,720,248 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 759.9

Radius: 4.8

Gravity: 32.98 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 5.31 AU - 7.57 AU

Year: 10898 Days

Day: 15.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 34,047,408 km

• M1: 65,075 km (0.095 R)
• M2: 326,722 km (0.077 R)
• M3: 610,958 km (0.105 R)
• M4: 803,640 km (0.104 R)
• M5: 1,036,564 km (0.075 R)
• M6: 1,274,723 km (0.053 R)
• M7: 1,878,201 km (0.073 R)
• M8: 2,368,583 km (0.075 R)
• M9: 4,623,023 km (0.083 R)
• M10: 5,235,626 km (0.109 R)
• M11: 5,544,097 km (0.08 R)
• M12: 8,097,284 km (0.088 R)
• M13: 9,526,692 km (0.117 R)
• M14: 11,005,018 km (0.112 R)
• M15: 14,877,359 km (0.03 R)
• M16: 16,709,933 km (0.03 R)
• M17: 18,140,687 km (0.082 R)
• M18: 18,766,754 km (0.115 R)
• M19: 20,228,026 km (0.091 R)
• M20: 20,394,977 km (0.083 R)
• M21: 21,243,346 km (0.066 R)
• M22: 21,415,833 km (0.113 R)
• M23: 21,589,217 km (0.044 R)
• M24: 22,026,790 km (0.064 R)
• M25: 23,466,820 km (0.101 R)
• M26: 23,743,576 km (0.03 R)
• M27: 25,353,548 km (0.035 R)
• M28: 26,632,759 km (0.11 R)
• M29: 30,289,679 km (0.091 R)
• M30: 33,562,133 km (0.098 R)
• M31: 33,796,104 km (0.062 R)
• M32: 36,938,108 km (0.08 R)
• M33: 37,312,701 km (0.066 R)
• M34: 38,069,517 km (0.05 R)
• M35: 39,483,516 km (0.118 R)
• M36: 43,101,989 km (0.12 R)
• M37: 49,916,920 km (0.037 R)
• M38: 52,077,562 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 115

Radius: 7.4

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 6.21 AU - 9.45 AU

Year: 14611 Days

Day: 20.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 34,047,408 km

• M1: 92,152 km (0.076 R)
• M2: 388,805 km (0.118 R)
• M3: 745,596 km (0.099 R)
• M4: 1,279,361 km (0.103 R)
• M5: 1,624,034 km (0.114 R)
• M6: 1,955,244 km (0.106 R)
• M7: 2,281,517 km (0.109 R)
• M8: 2,906,387 km (0.118 R)
• M9: 4,062,480 km (0.068 R)
• M10: 4,921,770 km (0.049 R)
• M11: 5,558,458 km (0.055 R)
• M12: 6,959,891 km (0.045 R)
• M13: 8,421,762 km (0.09 R)
• M14: 9,034,963 km (0.086 R)
• M15: 10,032,632 km (0.084 R)
• M16: 11,490,912 km (0.093 R)
• M17: 13,464,706 km (0.063 R)
• M18: 13,907,366 km (0.098 R)
• M19: 14,705,321 km (0.093 R)
• M20: 15,593,783 km (0.042 R)
• M21: 16,897,079 km (0.117 R)
• M22: 17,607,969 km (0.083 R)
• M23: 22,451,798 km (0.085 R)
• M24: 22,839,406 km (0.079 R)
• M25: 24,272,404 km (0.111 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 412 - 15,554 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit