🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.9

Radius: 10.6

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.55 AU - 0.63 AU

Year: 302 Days

Day: 10.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,766,196 km

• M1: 133,740 km (0.119 R)
• M2: 622,776 km (0.104 R)
• M3: 1,427,612 km (0.061 R)
• M4: 2,186,822 km (0.082 R)
• M5: 2,662,693 km (0.073 R)
• M6: 3,143,051 km (0.085 R)
• M7: 3,540,533 km (0.112 R)
• M8: 4,344,322 km (0.109 R)
• M9: 4,968,893 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.2

Radius: 8.7

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.63 AU - 0.67 AU

Year: 349 Days

Day: 9.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,766,196 km

• M1: 108,309 km (0.088 R)
• M2: 429,495 km (0.113 R)
• M3: 763,996 km (0.097 R)
• M4: 1,109,867 km (0.062 R)
• M5: 1,903,184 km (0.109 R)
• M6: 2,396,857 km (0.09 R)
• M7: 2,669,724 km (0.097 R)
• M8: 3,113,431 km (0.027 R)
• M9: 3,812,053 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.9

Radius: 14.7

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.87 AU - 1.07 AU

Year: 637 Days

Day: 9.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,766,196 km

• M1: 182,809 km (0.117 R)
• M2: 688,599 km (0.066 R)
• M3: 1,374,356 km (0.11 R)
• M4: 1,838,857 km (0.112 R)
• M5: 2,717,894 km (0.117 R)
• M6: 3,239,991 km (0.085 R)
• M7: 4,013,711 km (0.036 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.5

Radius: 11.9

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.48 AU - 1.72 AU

Year: 1350 Days

Day: 9.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,766,196 km

• M1: 147,952 km (0.072 R)
• M2: 644,168 km (0.105 R)
• M3: 1,448,107 km (0.099 R)
• M4: 2,049,940 km (0.025 R)
• M5: 2,577,721 km (0.083 R)
• M6: 3,269,611 km (0.109 R)
• M7: 3,824,918 km (0.063 R)
• M8: 4,386,958 km (0.094 R)
• M9: 5,187,157 km (0.049 R)
• M10: 5,655,248 km (0.062 R)
• M11: 6,082,201 km (0.112 R)
• M12: 7,154,369 km (0.044 R)
• M13: 7,844,763 km (0.12 R)
• M14: 8,263,038 km (0.107 R)
• M15: 9,235,873 km (0.095 R)
• M16: 12,614,092 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.9

Radius: 9.6

Gravity: 8.81 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.82 AU - 3.98 AU

Year: 4181 Days

Day: 9.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 58,766,196 km

• M1: 121,025 km (0.12 R)
• M2: 428,448 km (0.09 R)
• M3: 801,097 km (0.085 R)
• M4: 1,330,224 km (0.111 R)
• M5: 1,706,164 km (0.105 R)
• M6: 2,333,727 km (0.119 R)
• M7: 3,381,510 km (0.115 R)
• M8: 4,468,488 km (0.09 R)
• M9: 4,895,590 km (0.075 R)
• M10: 5,516,571 km (0.091 R)
• M11: 6,311,684 km (0.067 R)
• M12: 6,915,760 km (0.12 R)
• M13: 9,518,913 km (0.065 R)
• M14: 10,529,596 km (0.115 R)
• M15: 10,926,628 km (0.056 R)
• M16: 12,517,153 km (0.104 R)
• M17: 14,203,271 km (0.099 R)
• M18: 16,561,681 km (0.108 R)
• M19: 16,918,771 km (0.091 R)
• M20: 18,208,903 km (0.081 R)
• M21: 20,231,466 km (0.075 R)
• M22: 20,776,900 km (0.117 R)
• M23: 21,754,971 km (0.077 R)
• M24: 22,471,994 km (0.085 R)
• M25: 24,410,333 km (0.028 R)
• M26: 25,263,041 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.4

Radius: 11.4

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 5.64 AU - 5.78 AU

Year: 9099 Days

Day: 6.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,766,196 km

• M1: 179,966 km (0.066 R)
• M2: 1,002,156 km (0.081 R)
• M3: 1,403,677 km (0.114 R)
• M4: 2,467,318 km (0.115 R)
• M5: 5,370,264 km (0.119 R)
• M6: 6,251,845 km (0.085 R)
• M7: 8,391,543 km (0.089 R)
• M8: 9,478,671 km (0.116 R)
• M9: 10,030,687 km (0.061 R)
• M10: 12,046,518 km (0.107 R)
• M11: 14,319,209 km (0.117 R)
• M12: 16,647,251 km (0.083 R)
• M13: 17,229,785 km (0.114 R)
• M14: 18,590,228 km (0.113 R)
• M15: 19,777,437 km (0.055 R)
• M16: 21,438,272 km (0.099 R)
• M17: 25,416,379 km (0.079 R)
• M18: 32,379,113 km (0.058 R)
• M19: 35,511,692 km (0.077 R)
• M20: 35,871,774 km (0.096 R)
• M21: 38,335,202 km (0.092 R)
• M22: 39,608,131 km (0.033 R)
• M23: 42,238,360 km (0.083 R)
• M24: 45,404,749 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 345.9

Radius: 7.9

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 5.17 AU - 6.99 AU

Year: 9997 Days

Day: 24.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 155 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 58,766,196 km

• M1: 98,884 km (0.05 R)
• M2: 450,738 km (0.108 R)
• M3: 729,439 km (0.062 R)
• M4: 1,007,542 km (0.053 R)
• M5: 2,170,516 km (0.108 R)
• M6: 2,571,139 km (0.049 R)
• M7: 3,124,651 km (0.098 R)
• M8: 3,543,824 km (0.054 R)
• M9: 3,925,448 km (0.071 R)
• M10: 4,414,035 km (0.119 R)
• M11: 4,942,564 km (0.066 R)
• M12: 5,267,341 km (0.093 R)
• M13: 5,574,914 km (0.091 R)
• M14: 5,927,068 km (0.104 R)
• M15: 6,431,212 km (0.089 R)
• M16: 6,783,067 km (0.078 R)
• M17: 7,036,934 km (0.076 R)
• M18: 7,836,684 km (0.104 R)
• M19: 9,082,685 km (0.088 R)
• M20: 10,992,003 km (0.113 R)
• M21: 12,657,326 km (0.076 R)
• M22: 13,953,592 km (0.066 R)
• M23: 14,484,215 km (0.081 R)
• M24: 14,784,758 km (0.106 R)
• M25: 16,156,869 km (0.089 R)
• M26: 16,676,273 km (0.116 R)
• M27: 17,680,075 km (0.089 R)
• M28: 21,784,592 km (0.1 R)
• M29: 24,394,177 km (0.106 R)
• M30: 32,119,560 km (0.106 R)
• M31: 33,044,225 km (0.094 R)
• M32: 35,815,077 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 982.9

Radius: 6.9

Gravity: 20.64 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 5.95 AU - 7.27 AU

Year: 11333 Days

Day: 16.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 58,766,196 km

• M1: 257,458 km (0.107 R)
• M2: 569,519 km (0.037 R)
• M3: 1,058,854 km (0.117 R)
• M4: 1,502,262 km (0.109 R)
• M5: 2,175,452 km (0.082 R)
• M6: 3,058,080 km (0.086 R)
• M7: 3,331,245 km (0.074 R)
• M8: 4,495,715 km (0.072 R)
• M9: 5,118,641 km (0.119 R)
• M10: 6,178,242 km (0.062 R)
• M11: 6,738,935 km (0.095 R)
• M12: 9,223,606 km (0.1 R)
• M13: 10,226,361 km (0.106 R)
• M14: 14,898,901 km (0.11 R)
• M15: 18,536,822 km (0.065 R)
• M16: 19,700,095 km (0.12 R)
• M17: 20,560,133 km (0.08 R)
• M18: 21,177,075 km (0.108 R)
• M19: 22,171,152 km (0.09 R)
• M20: 23,961,091 km (0.063 R)
• M21: 32,677,560 km (0.12 R)
• M22: 36,505,770 km (0.083 R)
• M23: 43,869,725 km (0.096 R)
• M24: 45,779,492 km (0.119 R)
• M25: 49,764,031 km (0.078 R)
• M26: 52,327,690 km (0.106 R)
• M27: 52,654,112 km (0.117 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 466 - 15,398 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit