🌌 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: 801.7

Radius: 12.1

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.5 AU - 0.68 AU

Year: 313 Days

Day: 12 Hours

Environment

Temp: -156 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 92,202,337 km

• M1: 150,495 km (0.102 R)
• M2: 567,724 km (0.088 R)
• M3: 959,820 km (0.05 R)
• M4: 1,413,700 km (0.044 R)
• M5: 1,826,141 km (0.03 R)
• M6: 2,450,114 km (0.081 R)
• M7: 3,137,815 km (0.037 R)
• M8: 3,579,727 km (0.109 R)
• M9: 4,387,406 km (0.098 R)
• M10: 4,841,885 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877

Radius: 10.5

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.57 AU - 0.85 AU

Year: 413 Days

Day: 5.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 92,202,337 km

• M1: 131,197 km (0.106 R)
• M2: 604,525 km (0.117 R)
• M3: 1,343,090 km (0.11 R)
• M4: 1,764,058 km (0.049 R)
• M5: 2,537,928 km (0.099 R)
• M6: 3,109,242 km (0.052 R)
• M7: 3,649,290 km (0.101 R)
• M8: 4,084,321 km (0.075 R)
• M9: 4,494,967 km (0.115 R)
• M10: 5,011,529 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.1

Radius: 12.8

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.94 AU - 0.98 AU

Year: 649 Days

Day: 13.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 92,202,337 km

• M1: 159,172 km (0.059 R)
• M2: 633,697 km (0.116 R)
• M3: 1,257,071 km (0.088 R)
• M4: 1,736,981 km (0.102 R)
• M5: 2,253,542 km (0.109 R)
• M6: 3,283,823 km (0.093 R)
• M7: 3,802,927 km (0.101 R)
• M8: 4,559,594 km (0.065 R)
• M9: 5,259,113 km (0.062 R)
• M10: 5,716,135 km (0.042 R)
• M11: 6,490,902 km (0.028 R)
• M12: 7,143,298 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.7

Radius: 14.1

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.7 AU - 2.56 AU

Year: 2146 Days

Day: 10.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 92,202,337 km

• M1: 176,077 km (0.045 R)
• M2: 635,193 km (0.086 R)
• M3: 1,610,271 km (0.11 R)
• M4: 2,291,391 km (0.106 R)
• M5: 3,689,383 km (0.117 R)
• M6: 4,139,971 km (0.105 R)
• M7: 5,502,060 km (0.119 R)
• M8: 6,864,298 km (0.032 R)
• M9: 7,789,711 km (0.06 R)
• M10: 8,633,892 km (0.101 R)
• M11: 10,653,463 km (0.035 R)
• M12: 11,974,711 km (0.1 R)
• M13: 13,315,706 km (0.065 R)
• M14: 14,022,556 km (0.085 R)
• M15: 14,523,111 km (0.045 R)
• M16: 17,052,512 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.7

Radius: 9.2

Gravity: 11.35 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 4.17 AU - 5.45 AU

Year: 7282 Days

Day: 10.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 92,202,337 km

• M1: 114,442 km (0.093 R)
• M2: 620,981 km (0.117 R)
• M3: 1,005,298 km (0.086 R)
• M4: 2,763,521 km (0.119 R)
• M5: 3,654,975 km (0.109 R)
• M6: 3,982,744 km (0.057 R)
• M7: 4,785,636 km (0.119 R)
• M8: 5,859,749 km (0.106 R)
• M9: 7,087,199 km (0.104 R)
• M10: 8,009,470 km (0.107 R)
• M11: 9,009,681 km (0.1 R)
• M12: 10,189,111 km (0.102 R)
• M13: 11,415,215 km (0.093 R)
• M14: 12,679,916 km (0.108 R)
• M15: 13,024,739 km (0.098 R)
• M16: 14,342,696 km (0.085 R)
• M17: 16,415,524 km (0.055 R)
• M18: 17,032,765 km (0.119 R)
• M19: 28,537,140 km (0.107 R)
• M20: 30,957,634 km (0.062 R)
• M21: 31,373,965 km (0.059 R)
• M22: 32,645,397 km (0.09 R)
• M23: 33,730,879 km (0.067 R)
• M24: 35,064,993 km (0.102 R)
• M25: 37,838,238 km (0.091 R)
• M26: 40,135,014 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 860.7

Radius: 5

Gravity: 34.43 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 5.51 AU - 7.85 AU

Year: 11917 Days

Day: 18.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 92,202,337 km

• M1: 64,925 km (0.067 R)
• M2: 221,554 km (0.053 R)
• M3: 435,928 km (0.102 R)
• M4: 639,381 km (0.09 R)
• M5: 1,205,310 km (0.086 R)
• M6: 1,825,992 km (0.039 R)
• M7: 2,817,227 km (0.101 R)
• M8: 3,376,424 km (0.078 R)
• M9: 7,021,226 km (0.089 R)
• M10: 7,409,283 km (0.035 R)
• M11: 8,041,334 km (0.09 R)
• M12: 8,806,827 km (0.096 R)
• M13: 9,411,950 km (0.096 R)
• M14: 10,931,266 km (0.107 R)
• M15: 11,989,970 km (0.117 R)
• M16: 12,606,912 km (0.064 R)
• M17: 13,571,519 km (0.064 R)
• M18: 16,911,441 km (0.075 R)
• M19: 17,141,522 km (0.074 R)
• M20: 21,559,297 km (0.083 R)
• M21: 24,858,678 km (0.1 R)
• M22: 26,576,361 km (0.032 R)
• M23: 27,622,948 km (0.071 R)
• M24: 34,117,290 km (0.117 R)
• M25: 37,390,492 km (0.112 R)
• M26: 38,043,038 km (0.097 R)
• M27: 40,182,437 km (0.082 R)
• M28: 40,729,516 km (0.025 R)
• M29: 45,433,921 km (0.101 R)
• M30: 47,534,574 km (0.069 R)
• M31: 50,329,361 km (0.12 R)
• M32: 57,100,310 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 866.5

Radius: 5.6

Gravity: 27.63 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 8.74 AU - 12.4 AU

Year: 23720 Days

Day: 15.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 92,202,337 km

• M1: 73,004 km (0.094 R)
• M2: 249,529 km (0.064 R)
• M3: 662,569 km (0.107 R)
• M4: 1,190,649 km (0.071 R)
• M5: 2,410,919 km (0.12 R)
• M6: 2,632,623 km (0.111 R)
• M7: 3,032,349 km (0.099 R)
• M8: 3,533,352 km (0.062 R)
• M9: 7,042,918 km (0.095 R)
• M10: 7,549,157 km (0.084 R)
• M11: 8,188,539 km (0.108 R)
• M12: 8,465,295 km (0.101 R)
• M13: 8,748,184 km (0.074 R)
• M14: 10,006,153 km (0.114 R)
• M15: 11,517,241 km (0.105 R)
• M16: 11,794,745 km (0.047 R)
• M17: 12,076,737 km (0.095 R)
• M18: 13,099,089 km (0.119 R)
• M19: 13,554,465 km (0.056 R)
• M20: 14,020,312 km (0.072 R)
• M21: 17,042,339 km (0.107 R)
• M22: 18,139,041 km (0.103 R)
• M23: 19,870,936 km (0.083 R)
• M24: 21,292,115 km (0.078 R)
• M25: 22,347,678 km (0.056 R)
• M26: 33,464,744 km (0.11 R)
• M27: 36,058,323 km (0.11 R)
• M28: 38,319,495 km (0.108 R)
• M29: 39,406,473 km (0.055 R)
• M30: 42,624,772 km (0.116 R)
• M31: 47,241,512 km (0.107 R)
• M32: 52,180,784 km (0.082 R)
• M33: 53,900,711 km (0.067 R)
• M34: 54,872,349 km (0.113 R)
• M35: 63,069,714 km (0.106 R)
• M36: 64,583,495 km (0.117 R)
• M37: 67,234,369 km (0.097 R)
• M38: 67,458,467 km (0.101 R)
• M39: 87,850,302 km (0.102 R)
• M40: 88,925,163 km (0.117 R)
• M41: 91,926,246 km (0.101 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: 465 - 18,964 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit