🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268

Radius: 13.4

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.75 AU - 0.91 AU

Year: 504 Days

Day: 9.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,655,639 km

• M1: 166,652 km (0.082 R)
• M2: 831,166 km (0.076 R)
• M3: 1,305,092 km (0.07 R)
• M4: 1,890,468 km (0.048 R)
• M5: 2,383,692 km (0.066 R)
• M6: 2,903,994 km (0.067 R)
• M7: 3,488,772 km (0.096 R)
• M8: 3,929,637 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448

Radius: 10.4

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.97 AU - 1.19 AU

Year: 748 Days

Day: 8.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,655,639 km

• M1: 129,402 km (0.119 R)
• M2: 655,837 km (0.111 R)
• M3: 1,156,092 km (0.081 R)
• M4: 1,480,869 km (0.093 R)
• M5: 1,818,063 km (0.067 R)
• M6: 2,312,933 km (0.054 R)
• M7: 2,738,838 km (0.12 R)
• M8: 3,204,386 km (0.084 R)
• M9: 4,117,681 km (0.079 R)
• M10: 4,635,290 km (0.083 R)
• M11: 5,856,607 km (0.114 R)
• M12: 6,920,697 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.8

Radius: 11.6

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.2 AU - 1.46 AU

Year: 1023 Days

Day: 7.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,655,639 km

• M1: 144,811 km (0.066 R)
• M2: 545,733 km (0.064 R)
• M3: 912,397 km (0.09 R)
• M4: 1,808,339 km (0.1 R)
• M5: 2,171,413 km (0.076 R)
• M6: 2,895,766 km (0.087 R)
• M7: 4,179,615 km (0.119 R)
• M8: 5,301,599 km (0.074 R)
• M9: 6,747,911 km (0.071 R)
• M10: 7,466,430 km (0.109 R)
• M11: 8,364,167 km (0.098 R)
• M12: 9,001,603 km (0.063 R)
• M13: 9,444,413 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.9

Radius: 8.8

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.41 AU - 1.53 AU

Year: 1189 Days

Day: 8.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,655,639 km

• M1: 109,506 km (0.103 R)
• M2: 525,388 km (0.119 R)
• M3: 808,726 km (0.086 R)
• M4: 1,682,826 km (0.097 R)
• M5: 2,117,857 km (0.055 R)
• M6: 3,203,938 km (0.044 R)
• M7: 4,219,109 km (0.113 R)
• M8: 5,011,080 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.6

Radius: 8.1

Gravity: 12.49 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.54 AU - 2.04 AU

Year: 1597 Days

Day: 6 Hours

Environment

Temp: -188 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,655,639 km

• M1: 101,278 km (0.106 R)
• M2: 441,463 km (0.07 R)
• M3: 866,620 km (0.104 R)
• M4: 1,126,173 km (0.096 R)
• M5: 1,766,751 km (0.067 R)
• M6: 2,051,136 km (0.064 R)
• M7: 2,784,166 km (0.105 R)
• M8: 3,250,612 km (0.058 R)
• M9: 3,892,237 km (0.104 R)
• M10: 4,946,005 km (0.103 R)
• M11: 5,403,325 km (0.119 R)
• M12: 7,053,091 km (0.061 R)
• M13: 7,576,384 km (0.041 R)
• M14: 8,036,846 km (0.069 R)
• M15: 8,762,546 km (0.087 R)
• M16: 9,498,118 km (0.096 R)
• M17: 10,033,679 km (0.045 R)
• M18: 11,312,441 km (0.114 R)
• M19: 11,875,977 km (0.11 R)
• M20: 12,418,867 km (0.065 R)
• M21: 12,816,498 km (0.1 R)
• M22: 13,429,102 km (0.09 R)
• M23: 14,889,626 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.2

Radius: 12.5

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.76 AU - 3.52 AU

Year: 3710 Days

Day: 9.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,655,639 km

• M1: 155,432 km (0.046 R)
• M2: 606,619 km (0.043 R)
• M3: 1,177,634 km (0.107 R)
• M4: 1,577,958 km (0.06 R)
• M5: 2,179,192 km (0.099 R)
• M6: 2,588,642 km (0.055 R)
• M7: 3,928,440 km (0.111 R)
• M8: 4,728,041 km (0.085 R)
• M9: 6,099,704 km (0.044 R)
• M10: 7,363,058 km (0.109 R)
• M11: 8,332,601 km (0.07 R)
• M12: 9,197,726 km (0.075 R)
• M13: 10,042,505 km (0.114 R)
• M14: 11,106,744 km (0.092 R)
• M15: 11,666,390 km (0.116 R)
• M16: 12,335,541 km (0.085 R)
• M17: 12,842,379 km (0.062 R)
• M18: 13,604,281 km (0.101 R)
• M19: 14,095,710 km (0.118 R)
• M20: 14,854,919 km (0.083 R)
• M21: 16,455,317 km (0.068 R)
• M22: 18,945,523 km (0.081 R)
• M23: 19,807,955 km (0.096 R)
• M24: 22,416,343 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 221.9

Radius: 5.4

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 6.31 AU - 8.87 AU

Year: 13944 Days

Day: 21.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 64,655,639 km

• M1: 68,217 km (0.093 R)
• M2: 238,309 km (0.087 R)
• M3: 1,277,416 km (0.096 R)
• M4: 1,609,374 km (0.061 R)
• M5: 2,335,821 km (0.099 R)
• M6: 2,519,228 km (0.076 R)
• M7: 3,193,915 km (0.089 R)
• M8: 5,225,603 km (0.071 R)
• M9: 5,508,642 km (0.088 R)
• M10: 5,835,065 km (0.118 R)
• M11: 8,237,607 km (0.088 R)
• M12: 9,332,364 km (0.072 R)
• M13: 12,130,592 km (0.1 R)
• M14: 12,515,657 km (0.085 R)
• M15: 12,908,651 km (0.056 R)
• M16: 13,601,588 km (0.076 R)
• M17: 13,897,493 km (0.114 R)
• M18: 14,936,001 km (0.108 R)
• M19: 15,570,296 km (0.082 R)
• M20: 16,156,570 km (0.066 R)
• M21: 17,097,541 km (0.083 R)
• M22: 18,867,732 km (0.04 R)
• M23: 20,523,481 km (0.1 R)
• M24: 20,756,405 km (0.066 R)
• M25: 20,991,274 km (0.074 R)
• M26: 22,933,952 km (0.068 R)
• M27: 23,777,684 km (0.115 R)
• M28: 24,467,480 km (0.119 R)
• M29: 24,993,466 km (0.112 R)
• M30: 25,170,440 km (0.101 R)
• M31: 28,791,157 km (0.115 R)
• M32: 32,114,025 km (0.086 R)
• M33: 35,571,830 km (0.053 R)
• M34: 38,322,337 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 355.2

Radius: 4.5

Gravity: 17.54 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 8.23 AU - 12.19 AU

Year: 21755 Days

Day: 16.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 64,655,639 km

• M1: 56,398 km (0.112 R)
• M2: 414,237 km (0.096 R)
• M3: 572,810 km (0.089 R)
• M4: 821,592 km (0.09 R)
• M5: 1,204,562 km (0.074 R)
• M6: 1,428,959 km (0.079 R)
• M7: 2,055,924 km (0.097 R)
• M8: 2,550,494 km (0.047 R)
• M9: 5,903,431 km (0.077 R)
• M10: 8,982,903 km (0.067 R)
• M11: 9,403,722 km (0.12 R)
• M12: 13,458,722 km (0.118 R)
• M13: 16,208,929 km (0.096 R)
• M14: 20,100,568 km (0.094 R)
• M15: 20,638,223 km (0.089 R)
• M16: 22,404,076 km (0.054 R)
• M17: 28,525,771 km (0.072 R)
• M18: 32,637,319 km (0.111 R)
• M19: 36,461,788 km (0.111 R)
• M20: 40,290,895 km (0.092 R)
• M21: 49,868,450 km (0.102 R)
• M22: 50,358,982 km (0.113 R)
• M23: 51,515,972 km (0.068 R)
• M24: 52,184,973 km (0.072 R)
• M25: 53,540,330 km (0.116 R)
• M26: 58,650,444 km (0.113 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 198 - 14,950 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit