🌌 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: 341.1

Radius: 12.8

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.61 AU - 0.71 AU

Year: 377 Days

Day: 13.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,923,326 km

• M1: 159,621 km (0.077 R)
• M2: 720,763 km (0.105 R)
• M3: 1,134,401 km (0.12 R)
• M4: 1,569,431 km (0.08 R)
• M5: 2,225,119 km (0.094 R)
• M6: 2,747,215 km (0.049 R)
• M7: 3,166,538 km (0.074 R)
• M8: 4,185,150 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.4

Radius: 12.7

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.21 AU - 3.75 AU

Year: 4563 Days

Day: 9.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,923,326 km

• M1: 157,975 km (0.112 R)
• M2: 772,673 km (0.119 R)
• M3: 1,167,611 km (0.086 R)
• M4: 1,666,819 km (0.102 R)
• M5: 3,224,433 km (0.057 R)
• M6: 3,670,683 km (0.038 R)
• M7: 6,620,753 km (0.082 R)
• M8: 7,553,795 km (0.041 R)
• M9: 7,979,700 km (0.106 R)
• M10: 8,459,161 km (0.112 R)
• M11: 8,957,920 km (0.063 R)
• M12: 10,099,053 km (0.075 R)
• M13: 11,472,960 km (0.107 R)
• M14: 11,989,372 km (0.115 R)
• M15: 12,968,041 km (0.101 R)
• M16: 14,807,945 km (0.082 R)
• M17: 16,108,250 km (0.094 R)
• M18: 17,299,498 km (0.081 R)
• M19: 19,524,467 km (0.108 R)
• M20: 20,602,619 km (0.099 R)
• M21: 22,438,783 km (0.061 R)
• M22: 24,923,454 km (0.116 R)
• M23: 25,790,972 km (0.1 R)
• M24: 27,837,471 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677

Radius: 11

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.44 AU - 4.04 AU

Year: 5084 Days

Day: 13.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,923,326 km

• M1: 138,677 km (0.054 R)
• M2: 576,700 km (0.103 R)
• M3: 1,502,860 km (0.102 R)
• M4: 1,932,804 km (0.099 R)
• M5: 2,629,033 km (0.081 R)
• M6: 3,161,452 km (0.089 R)
• M7: 3,548,461 km (0.081 R)
• M8: 4,200,559 km (0.107 R)
• M9: 5,340,943 km (0.112 R)
• M10: 6,167,322 km (0.036 R)
• M11: 6,514,538 km (0.07 R)
• M12: 7,283,172 km (0.049 R)
• M13: 12,061,029 km (0.053 R)
• M14: 13,533,072 km (0.095 R)
• M15: 15,008,107 km (0.111 R)
• M16: 16,406,847 km (0.095 R)
• M17: 19,597,171 km (0.119 R)
• M18: 20,281,582 km (0.069 R)
• M19: 23,331,134 km (0.054 R)
• M20: 23,944,785 km (0.105 R)
• M21: 24,885,606 km (0.1 R)
• M22: 28,199,647 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.5

Radius: 8.8

Gravity: 11.18 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.22 AU - 4.94 AU

Year: 5793 Days

Day: 7.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 69,923,326 km

• M1: 109,506 km (0.053 R)
• M2: 593,455 km (0.119 R)
• M3: 1,148,164 km (0.106 R)
• M4: 1,702,125 km (0.104 R)
• M5: 2,126,384 km (0.12 R)
• M6: 3,188,529 km (0.091 R)
• M7: 4,179,914 km (0.028 R)
• M8: 5,041,747 km (0.076 R)
• M9: 5,363,981 km (0.117 R)
• M10: 5,953,098 km (0.113 R)
• M11: 6,863,550 km (0.116 R)
• M12: 7,370,837 km (0.038 R)
• M13: 8,624,317 km (0.1 R)
• M14: 9,564,839 km (0.113 R)
• M15: 10,060,008 km (0.117 R)
• M16: 11,249,012 km (0.107 R)
• M17: 11,648,588 km (0.081 R)
• M18: 12,689,191 km (0.085 R)
• M19: 15,194,506 km (0.062 R)
• M20: 16,820,635 km (0.047 R)
• M21: 18,977,387 km (0.081 R)
• M22: 24,077,777 km (0.053 R)
• M23: 26,368,420 km (0.112 R)
• M24: 30,406,366 km (0.081 R)
• M25: 30,987,105 km (0.075 R)
• M26: 32,875,030 km (0.087 R)
• M27: 33,179,910 km (0.104 R)
• M28: 34,002,399 km (0.102 R)
• M29: 34,628,167 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 291.1

Radius: 4.3

Gravity: 15.74 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 6.07 AU - 7.87 AU

Year: 12935 Days

Day: 16.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,923,326 km

• M1: 54,005 km (0.107 R)
• M2: 218,862 km (0.081 R)
• M3: 449,242 km (0.101 R)
• M4: 651,499 km (0.077 R)
• M5: 1,139,337 km (0.102 R)
• M6: 1,326,335 km (0.114 R)
• M7: 2,013,887 km (0.046 R)
• M8: 4,104,966 km (0.097 R)
• M9: 4,433,183 km (0.117 R)
• M10: 5,556,364 km (0.074 R)
• M11: 5,721,371 km (0.098 R)
• M12: 6,130,970 km (0.047 R)
• M13: 6,450,810 km (0.104 R)
• M14: 9,144,918 km (0.099 R)
• M15: 9,375,299 km (0.076 R)
• M16: 13,847,377 km (0.084 R)
• M17: 14,521,615 km (0.114 R)
• M18: 16,471,324 km (0.118 R)
• M19: 18,369,272 km (0.104 R)
• M20: 24,220,793 km (0.044 R)
• M21: 25,018,449 km (0.102 R)
• M22: 35,091,472 km (0.089 R)
• M23: 37,035,496 km (0.094 R)
• M24: 39,170,856 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 647.2

Radius: 7.6

Gravity: 11.2 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 8.27 AU - 11.19 AU

Year: 21334 Days

Day: 15.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 69,923,326 km

• M1: 94,845 km (0.11 R)
• M2: 373,396 km (0.106 R)
• M3: 645,515 km (0.049 R)
• M4: 934,837 km (0.057 R)
• M5: 1,370,316 km (0.116 R)
• M6: 1,877,902 km (0.042 R)
• M7: 4,965,752 km (0.091 R)
• M8: 5,420,978 km (0.092 R)
• M9: 7,476,453 km (0.036 R)
• M10: 8,229,080 km (0.104 R)
• M11: 9,031,373 km (0.101 R)
• M12: 10,666,627 km (0.084 R)
• M13: 10,978,240 km (0.089 R)
• M14: 11,295,836 km (0.097 R)
• M15: 12,766,682 km (0.096 R)
• M16: 18,027,591 km (0.046 R)
• M17: 19,561,418 km (0.092 R)
• M18: 19,934,515 km (0.065 R)
• M19: 20,985,290 km (0.088 R)
• M20: 21,772,175 km (0.081 R)
• M21: 22,989,453 km (0.082 R)
• M22: 25,227,587 km (0.056 R)
• M23: 27,958,944 km (0.096 R)
• M24: 34,676,338 km (0.038 R)
• M25: 34,949,055 km (0.078 R)
• M26: 35,360,598 km (0.069 R)
• M27: 40,104,796 km (0.068 R)
• M28: 43,969,208 km (0.096 R)
• M29: 50,832,309 km (0.091 R)
• M30: 55,721,616 km (0.059 R)
• M31: 64,140,685 km (0.105 R)
• M32: 65,586,848 km (0.061 R)
• M33: 74,496,299 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 442.2

Radius: 7.1

Gravity: 8.77 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 7.46 AU - 12.36 AU

Year: 21929 Days

Day: 21.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 69,923,326 km

• M1: 88,263 km (0.108 R)
• M2: 842,086 km (0.084 R)
• M3: 1,115,252 km (0.082 R)
• M4: 1,358,648 km (0.111 R)
• M5: 1,588,729 km (0.048 R)
• M6: 1,936,395 km (0.108 R)
• M7: 2,229,756 km (0.032 R)
• M8: 3,654,377 km (0.059 R)
• M9: 4,294,955 km (0.087 R)
• M10: 4,761,850 km (0.098 R)
• M11: 5,487,100 km (0.069 R)
• M12: 5,797,067 km (0.086 R)
• M13: 6,494,492 km (0.1 R)
• M14: 9,135,792 km (0.078 R)
• M15: 11,517,989 km (0.119 R)
• M16: 12,091,547 km (0.11 R)
• M17: 13,643,625 km (0.044 R)
• M18: 16,017,594 km (0.113 R)
• M19: 23,330,237 km (0.076 R)
• M20: 34,650,607 km (0.101 R)
• M21: 36,382,801 km (0.085 R)
• M22: 38,593,109 km (0.115 R)
• M23: 39,159,337 km (0.076 R)
• M24: 41,479,750 km (0.1 R)
• M25: 43,431,403 km (0.109 R)
• M26: 45,129,938 km (0.036 R)
• M27: 48,330,883 km (0.102 R)
• M28: 52,887,634 km (0.105 R)
• M29: 57,907,241 km (0.109 R)
• M30: 66,421,903 km (0.06 R)
• M31: 68,467,056 km (0.084 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 354 - 19,871 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit