🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.4

Radius: 8.7

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.86 AU - 1.2 AU

Year: 675 Days

Day: 14.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,307,986 km

• M1: 109,057 km (0.095 R)
• M2: 400,473 km (0.115 R)
• M3: 813,064 km (0.105 R)
• M4: 1,167,163 km (0.097 R)
• M5: 1,506,301 km (0.098 R)
• M6: 1,877,453 km (0.073 R)
• M7: 2,223,324 km (0.071 R)
• M8: 2,518,031 km (0.03 R)
• M9: 2,940,496 km (0.107 R)
• M10: 3,334,237 km (0.094 R)
• M11: 3,817,438 km (0.043 R)
• M12: 4,169,741 km (0.049 R)
• M13: 5,205,707 km (0.074 R)
• M14: 5,551,128 km (0.039 R)
• M15: 5,856,906 km (0.071 R)
• M16: 6,944,184 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.3

Radius: 12

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.04 AU - 3.08 AU

Year: 2645 Days

Day: 8.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 75,307,986 km

• M1: 149,299 km (0.039 R)
• M2: 655,538 km (0.068 R)
• M3: 1,095,655 km (0.08 R)
• M4: 1,748,051 km (0.093 R)
• M5: 2,677,951 km (0.119 R)
• M6: 3,379,266 km (0.092 R)
• M7: 5,004,498 km (0.115 R)
• M8: 5,699,529 km (0.095 R)
• M9: 6,802,963 km (0.095 R)
• M10: 7,374,577 km (0.076 R)
• M11: 8,010,816 km (0.104 R)
• M12: 8,927,552 km (0.117 R)
• M13: 9,800,007 km (0.09 R)
• M14: 10,373,565 km (0.1 R)
• M15: 10,969,264 km (0.056 R)
• M16: 11,587,851 km (0.092 R)
• M17: 13,213,382 km (0.045 R)
• M18: 13,866,526 km (0.065 R)
• M19: 14,936,151 km (0.044 R)
• M20: 16,060,079 km (0.092 R)
• M21: 16,696,469 km (0.077 R)
• M22: 18,475,786 km (0.096 R)
• M23: 19,174,557 km (0.028 R)
• M24: 19,890,982 km (0.12 R)
• M25: 20,317,036 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484

Radius: 14.1

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.48 AU - 4.2 AU

Year: 4859 Days

Day: 10.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 75,307,986 km

• M1: 175,329 km (0.084 R)
• M2: 763,099 km (0.12 R)
• M3: 1,205,460 km (0.112 R)
• M4: 1,890,767 km (0.041 R)
• M5: 2,547,801 km (0.074 R)
• M6: 3,967,934 km (0.098 R)
• M7: 5,752,188 km (0.089 R)
• M8: 6,574,228 km (0.11 R)
• M9: 7,473,311 km (0.11 R)
• M10: 8,023,083 km (0.085 R)
• M11: 9,836,359 km (0.109 R)
• M12: 10,839,263 km (0.055 R)
• M13: 11,321,268 km (0.119 R)
• M14: 12,187,739 km (0.111 R)
• M15: 13,344,728 km (0.077 R)
• M16: 14,999,879 km (0.042 R)
• M17: 16,214,764 km (0.116 R)
• M18: 16,672,383 km (0.075 R)
• M19: 17,434,585 km (0.094 R)
• M20: 18,404,428 km (0.041 R)
• M21: 20,986,487 km (0.101 R)
• M22: 22,223,960 km (0.086 R)
• M23: 24,318,929 km (0.119 R)
• M24: 25,838,544 km (0.117 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 859.7

Radius: 7.8

Gravity: 14.13 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 6.87 AU - 10.79 AU

Year: 16942 Days

Day: 19.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 75,307,986 km

• M1: 97,089 km (0.094 R)
• M2: 483,500 km (0.101 R)
• M3: 806,183 km (0.06 R)
• M4: 1,590,076 km (0.099 R)
• M5: 2,855,823 km (0.1 R)
• M6: 3,216,354 km (0.113 R)
• M7: 3,578,082 km (0.074 R)
• M8: 3,874,585 km (0.103 R)
• M9: 4,688,547 km (0.105 R)
• M10: 5,007,938 km (0.093 R)
• M11: 5,650,910 km (0.05 R)
• M12: 7,715,660 km (0.109 R)
• M13: 9,773,827 km (0.039 R)
• M14: 10,415,004 km (0.098 R)
• M15: 11,845,459 km (0.091 R)
• M16: 12,305,771 km (0.067 R)
• M17: 14,414,503 km (0.07 R)
• M18: 15,868,145 km (0.102 R)
• M19: 17,333,008 km (0.079 R)
• M20: 18,271,435 km (0.104 R)
• M21: 18,709,009 km (0.082 R)
• M22: 21,002,494 km (0.099 R)
• M23: 25,700,615 km (0.1 R)
• M24: 26,249,938 km (0.073 R)
• M25: 29,832,658 km (0.043 R)
• M26: 30,930,856 km (0.055 R)
• M27: 36,139,405 km (0.085 R)
• M28: 36,414,216 km (0.093 R)
• M29: 37,246,878 km (0.072 R)
• M30: 42,664,714 km (0.06 R)
• M31: 44,528,853 km (0.103 R)
• M32: 44,844,655 km (0.038 R)
• M33: 50,961,263 km (0.111 R)
• M34: 54,308,066 km (0.11 R)
• M35: 55,212,535 km (0.049 R)
• M36: 60,464,318 km (0.059 R)
• M37: 66,862,768 km (0.093 R)
• M38: 68,110,714 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 493.4

Radius: 4.1

Gravity: 29.35 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 10.84 AU - 10.94 AU

Year: 23204 Days

Day: 22.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 75,307,986 km

• M1: 66,421 km (0.107 R)
• M2: 519,853 km (0.093 R)
• M3: 662,120 km (0.057 R)
• M4: 819,946 km (0.118 R)
• M5: 1,241,064 km (0.083 R)
• M6: 1,811,481 km (0.088 R)
• M7: 2,022,563 km (0.118 R)
• M8: 2,228,559 km (0.098 R)
• M9: 3,114,478 km (0.077 R)
• M10: 3,710,476 km (0.075 R)
• M11: 3,862,916 km (0.103 R)
• M12: 4,795,509 km (0.102 R)
• M13: 5,199,872 km (0.081 R)
• M14: 8,270,219 km (0.046 R)
• M15: 8,425,950 km (0.096 R)
• M16: 8,583,627 km (0.092 R)
• M17: 8,796,953 km (0.083 R)
• M18: 9,289,729 km (0.066 R)
• M19: 11,254,996 km (0.053 R)
• M20: 12,300,685 km (0.08 R)
• M21: 12,640,272 km (0.118 R)
• M22: 14,135,353 km (0.076 R)
• M23: 14,358,104 km (0.064 R)
• M24: 15,823,715 km (0.076 R)
• M25: 16,799,093 km (0.083 R)
• M26: 20,718,408 km (0.102 R)
• M27: 21,199,065 km (0.051 R)
• M28: 22,685,470 km (0.11 R)
• M29: 24,881,267 km (0.047 R)
• M30: 26,872,714 km (0.045 R)
• M31: 27,100,253 km (0.105 R)
• M32: 32,054,635 km (0.118 R)
• M33: 34,141,226 km (0.081 R)
• M34: 36,734,505 km (0.084 R)
• M35: 51,161,873 km (0.064 R)
• M36: 65,598,666 km (0.059 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 268 - 14,677 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit