🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.47 AU - 0.69 AU

Year: 285 Days

Day: 19.7 Hours

Environment

Temp: -124 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.56 AU - 0.7 AU

Year: 323 Days

Day: 28.6 Hours

Environment

Temp: -133 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.8

Radius: 11.9

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.69 AU - 1.03 AU

Year: 515 Days

Day: 11.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 23,256,784 km

• M1: 160,818 km (0.12 R)
• M2: 320,139 km (0.081 R)
• M3: 466,596 km (0.054 R)
• M4: 574,456 km (0.082 R)
• M5: 683,363 km (0.069 R)
• M6: 778,807 km (0.075 R)
• M7: 1,045,839 km (0.073 R)
• M8: 1,133,353 km (0.094 R)
• M9: 1,271,432 km (0.084 R)
• M10: 1,458,130 km (0.099 R)
• M11: 1,545,047 km (0.083 R)
• M12: 1,732,493 km (0.115 R)
• M13: 1,812,378 km (0.057 R)
• M14: 1,893,311 km (0.082 R)
• M15: 1,988,754 km (0.107 R)
• M16: 2,068,041 km (0.119 R)
• M17: 2,153,013 km (0.104 R)
• M18: 2,335,821 km (0.07 R)
• M19: 2,419,746 km (0.106 R)
• M20: 2,552,439 km (0.102 R)
• M21: 2,736,444 km (0.086 R)
• M22: 2,840,116 km (0.107 R)
• M23: 2,924,938 km (0.078 R)
• M24: 3,082,015 km (0.049 R)
• M25: 3,190,025 km (0.113 R)
• M26: 3,314,939 km (0.114 R)
• M27: 3,393,927 km (0.118 R)
• M28: 3,634,779 km (0.114 R)
• M29: 3,710,775 km (0.09 R)
• M30: 3,814,895 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416

Radius: 14.3

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.85 AU - 0.89 AU

Year: 524 Days

Day: 9.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 23,256,784 km

• M1: 180,415 km (0.109 R)
• M2: 271,221 km (0.06 R)
• M3: 375,939 km (0.047 R)
• M4: 510,578 km (0.115 R)
• M5: 608,863 km (0.108 R)
• M6: 773,271 km (0.089 R)
• M7: 866,022 km (0.114 R)
• M8: 1,046,587 km (0.116 R)
• M9: 1,151,305 km (0.072 R)
• M10: 1,317,957 km (0.105 R)
• M11: 1,488,050 km (0.067 R)
• M12: 1,649,765 km (0.102 R)
• M13: 1,812,229 km (0.097 R)
• M14: 1,906,774 km (0.068 R)
• M15: 2,189,066 km (0.078 R)
• M16: 2,528,503 km (0.103 R)
• M17: 2,781,623 km (0.091 R)
• M18: 2,911,324 km (0.105 R)
• M19: 3,023,373 km (0.118 R)
• M20: 3,204,087 km (0.109 R)
• M21: 3,299,381 km (0.117 R)
• M22: 3,534,549 km (0.118 R)
• M23: 3,689,831 km (0.1 R)
• M24: 3,789,763 km (0.085 R)
• M25: 3,919,763 km (0.119 R)
• M26: 4,117,532 km (0.076 R)
• M27: 4,371,250 km (0.113 R)
• M28: 4,607,315 km (0.064 R)
• M29: 4,761,850 km (0.109 R)
• M30: 5,020,505 km (0.11 R)
• M31: 5,179,677 km (0.089 R)
• M32: 5,405,270 km (0.064 R)
• M33: 5,494,879 km (0.11 R)

Asteroid Belt

Center: 2.13 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.7

Radius: 9.9

Gravity: 9.94 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.33 AU - 3.45 AU

Year: 4030 Days

Day: 9.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 23,256,784 km

• M1: 152,440 km (0.115 R)
• M2: 218,712 km (0.091 R)
• M3: 290,818 km (0.093 R)
• M4: 384,317 km (0.078 R)
• M5: 501,003 km (0.108 R)
• M6: 914,043 km (0.111 R)
• M7: 1,007,990 km (0.051 R)
• M8: 1,119,740 km (0.039 R)
• M9: 1,206,357 km (0.114 R)
• M10: 1,511,986 km (0.101 R)
• M11: 1,962,724 km (0.101 R)
• M12: 2,212,553 km (0.101 R)
• M13: 2,341,506 km (0.109 R)
• M14: 2,606,743 km (0.094 R)
• M15: 2,743,027 km (0.053 R)
• M16: 2,841,911 km (0.066 R)
• M17: 3,653,629 km (0.07 R)
• M18: 3,872,790 km (0.096 R)
• M19: 4,187,095 km (0.108 R)
• M20: 4,416,728 km (0.066 R)
• M21: 4,486,291 km (0.066 R)
• M22: 4,556,452 km (0.056 R)
• M23: 4,674,036 km (0.06 R)
• M24: 4,768,731 km (0.081 R)
• M25: 4,840,389 km (0.075 R)
• M26: 4,936,281 km (0.09 R)
• M27: 5,375,949 km (0.102 R)
• M28: 5,930,359 km (0.1 R)
• M29: 7,589,100 km (0.088 R)
• M30: 7,897,571 km (0.069 R)
• M31: 8,096,087 km (0.086 R)
• M32: 8,701,510 km (0.105 R)
• M33: 8,847,816 km (0.103 R)
• M34: 8,935,930 km (0.054 R)
• M35: 9,291,673 km (0.107 R)
• M36: 9,561,398 km (0.096 R)
• M37: 9,712,492 km (0.118 R)
• M38: 9,803,448 km (0.063 R)
• M39: 10,047,442 km (0.066 R)
• M40: 10,854,373 km (0.084 R)
• M41: 10,948,919 km (0.054 R)
• M42: 11,106,894 km (0.064 R)
• M43: 11,521,430 km (0.092 R)
• M44: 12,136,277 km (0.082 R)
• M45: 12,530,168 km (0.077 R)
• M46: 12,695,474 km (0.049 R)
• M47: 12,828,317 km (0.068 R)
• M48: 13,465,454 km (0.082 R)
• M49: 13,634,799 km (0.073 R)
• M50: 13,941,474 km (0.092 R)
• M51: 14,319,508 km (0.119 R)
• M52: 14,596,414 km (0.07 R)
• M53: 16,439,759 km (0.112 R)
• M54: 16,584,570 km (0.079 R)
• M55: 16,729,829 km (0.105 R)
• M56: 17,241,603 km (0.079 R)
• M57: 17,536,311 km (0.079 R)
• M58: 17,832,665 km (0.113 R)
• M59: 18,883,141 km (0.089 R)
• M60: 20,457,060 km (0.042 R)
• M61: 20,612,941 km (0.075 R)
• M62: 21,122,023 km (0.065 R)
• M63: 21,240,205 km (0.093 R)
• M64: 22,072,867 km (0.118 R)
• M65: 22,875,908 km (0.061 R)
• M66: 23,443,632 km (0.108 R)
• M67: 23,770,204 km (0.091 R)
• M68: 24,841,774 km (0.119 R)
• M69: 25,467,242 km (0.118 R)
• M70: 26,055,611 km (0.089 R)
• M71: 27,160,241 km (0.074 R)
• M72: 28,063,663 km (0.087 R)
• M73: 28,453,814 km (0.12 R)
• M74: 28,889,443 km (0.096 R)
• M75: 28,976,808 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 74.7

Radius: 6.6

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 6.12 AU - 6.5 AU

Year: 10234 Days

Day: 15.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 23,256,784 km

• M1: 133,441 km (0.036 R)
• M2: 184,903 km (0.116 R)
• M3: 240,404 km (0.11 R)
• M4: 405,859 km (0.113 R)
• M5: 457,321 km (0.095 R)
• M6: 596,596 km (0.079 R)
• M7: 1,621,192 km (0.039 R)
• M8: 2,031,838 km (0.107 R)
• M9: 2,248,905 km (0.073 R)
• M10: 2,312,334 km (0.116 R)
• M11: 2,621,703 km (0.112 R)
• M12: 2,705,328 km (0.077 R)
• M13: 2,772,797 km (0.065 R)
• M14: 2,944,236 km (0.103 R)
• M15: 3,136,768 km (0.091 R)
• M16: 3,225,629 km (0.026 R)
• M17: 3,757,599 km (0.112 R)
• M18: 4,062,779 km (0.092 R)
• M19: 4,316,497 km (0.065 R)
• M20: 4,395,634 km (0.115 R)
• M21: 4,778,306 km (0.033 R)
• M22: 4,880,631 km (0.109 R)
• M23: 4,963,209 km (0.107 R)
• M24: 5,467,952 km (0.086 R)
• M25: 5,510,737 km (0.082 R)
• M26: 5,879,047 km (0.05 R)
• M27: 5,944,870 km (0.115 R)
• M28: 6,099,404 km (0.096 R)
• M29: 6,277,725 km (0.088 R)
• M30: 6,593,825 km (0.109 R)
• M31: 6,639,453 km (0.11 R)
• M32: 6,915,162 km (0.072 R)
• M33: 7,430,526 km (0.09 R)
• M34: 7,668,836 km (0.083 R)
• M35: 7,716,707 km (0.086 R)
• M36: 7,764,877 km (0.11 R)
• M37: 8,522,591 km (0.056 R)
• M38: 8,572,257 km (0.088 R)
• M39: 8,622,073 km (0.074 R)
• M40: 8,697,022 km (0.109 R)
• M41: 9,380,534 km (0.117 R)
• M42: 9,819,754 km (0.091 R)
• M43: 9,897,994 km (0.105 R)
• M44: 10,265,855 km (0.112 R)
• M45: 10,879,655 km (0.11 R)
• M46: 10,933,660 km (0.113 R)
• M47: 11,041,669 km (0.034 R)
• M48: 11,150,277 km (0.079 R)
• M49: 11,286,411 km (0.05 R)
• M50: 11,725,780 km (0.089 R)
• M51: 12,086,910 km (0.117 R)
• M52: 12,367,106 km (0.1 R)
• M53: 12,508,028 km (0.102 R)
• M54: 12,819,939 km (0.116 R)
• M55: 13,191,989 km (0.074 R)
• M56: 13,335,902 km (0.066 R)
• M57: 13,858,747 km (0.091 R)
• M58: 14,181,429 km (0.081 R)
• M59: 14,477,035 km (0.118 R)
• M60: 14,595,815 km (0.111 R)
• M61: 16,292,854 km (0.082 R)
• M62: 16,602,372 km (0.073 R)
• M63: 17,164,560 km (0.112 R)
• M64: 17,447,899 km (0.09 R)
• M65: 18,083,241 km (0.054 R)
• M66: 18,468,007 km (0.105 R)
• M67: 18,790,689 km (0.118 R)
• M68: 19,180,541 km (0.088 R)
• M69: 19,278,378 km (0.075 R)
• M70: 19,704,284 km (0.05 R)
• M71: 20,100,269 km (0.114 R)
• M72: 20,799,490 km (0.11 R)
• M73: 21,439,020 km (0.057 R)
• M74: 21,540,597 km (0.118 R)
• M75: 22,771,788 km (0.07 R)
• M76: 22,840,902 km (0.066 R)
• M77: 22,979,280 km (0.062 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 14,710 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit