🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.6

Radius: 8.4

Gravity: 11.49 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.77 AU - 0.97 AU

Year: 541 Days

Day: 8.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,849,261 km

• M1: 104,569 km (0.111 R)
• M2: 373,247 km (0.047 R)
• M3: 645,515 km (0.118 R)
• M4: 910,004 km (0.063 R)
• M5: 1,236,426 km (0.041 R)
• M6: 1,799,962 km (0.104 R)
• M7: 3,669,486 km (0.042 R)
• M8: 4,251,571 km (0.096 R)
• M9: 4,699,318 km (0.106 R)
• M10: 5,144,222 km (0.087 R)
• M11: 5,438,631 km (0.083 R)
• M12: 6,023,409 km (0.102 R)
• M13: 6,568,843 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.2

Radius: 12.5

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.8 AU - 1.08 AU

Year: 608 Days

Day: 14.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,849,261 km

• M1: 155,432 km (0.086 R)
• M2: 560,543 km (0.063 R)
• M3: 999,463 km (0.094 R)
• M4: 1,426,266 km (0.08 R)
• M5: 2,112,771 km (0.095 R)
• M6: 2,581,012 km (0.064 R)
• M7: 3,130,934 km (0.104 R)
• M8: 3,580,475 km (0.11 R)
• M9: 4,421,215 km (0.084 R)
• M10: 5,213,037 km (0.079 R)
• M11: 5,924,076 km (0.103 R)
• M12: 6,373,168 km (0.12 R)
• M13: 7,812,749 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.4

Radius: 9.7

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.16 AU - 1.44 AU

Year: 988 Days

Day: 8.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 82,849,261 km

• M1: 120,875 km (0.098 R)
• M2: 498,011 km (0.064 R)
• M3: 916,437 km (0.07 R)
• M4: 1,364,333 km (0.095 R)
• M5: 1,862,344 km (0.042 R)
• M6: 2,300,516 km (0.118 R)
• M7: 2,806,456 km (0.111 R)
• M8: 3,248,817 km (0.048 R)
• M9: 3,670,234 km (0.046 R)
• M10: 4,200,409 km (0.087 R)
• M11: 4,685,854 km (0.076 R)
• M12: 5,140,931 km (0.086 R)
• M13: 5,787,493 km (0.119 R)
• M14: 6,196,942 km (0.086 R)
• M15: 6,546,253 km (0.118 R)
• M16: 6,949,868 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.7

Radius: 8.8

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.33 AU - 3.31 AU

Year: 3158 Days

Day: 13 Hours

Environment

Temp: -206 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,849,261 km

• M1: 109,954 km (0.115 R)
• M2: 400,623 km (0.081 R)
• M3: 729,290 km (0.12 R)
• M4: 1,053,319 km (0.093 R)
• M5: 2,856,721 km (0.072 R)
• M6: 3,373,582 km (0.103 R)
• M7: 3,664,250 km (0.051 R)
• M8: 4,572,609 km (0.103 R)
• M9: 5,209,297 km (0.085 R)
• M10: 6,246,609 km (0.096 R)
• M11: 11,467,126 km (0.081 R)
• M12: 12,682,907 km (0.077 R)
• M13: 13,389,458 km (0.084 R)
• M14: 18,918,596 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 439.1

Radius: 3.1

Gravity: 45.69 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.05 AU - 7.99 AU

Year: 11102 Days

Day: 21.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 82,849,261 km

• M1: 38,596 km (0.057 R)
• M2: 160,070 km (0.063 R)
• M3: 442,810 km (0.115 R)
• M4: 563,236 km (0.029 R)
• M5: 853,157 km (0.107 R)
• M6: 1,658,741 km (0.071 R)
• M7: 1,778,719 km (0.118 R)
• M8: 2,069,986 km (0.067 R)
• M9: 2,354,670 km (0.095 R)
• M10: 2,685,132 km (0.092 R)
• M11: 2,936,307 km (0.12 R)
• M12: 3,835,689 km (0.086 R)
• M13: 4,461,457 km (0.114 R)
• M14: 4,576,797 km (0.111 R)
• M15: 4,783,392 km (0.065 R)
• M16: 5,152,300 km (0.034 R)
• M17: 5,539,609 km (0.093 R)
• M18: 6,704,827 km (0.114 R)
• M19: 6,894,517 km (0.093 R)
• M20: 7,166,187 km (0.12 R)
• M21: 9,553,918 km (0.073 R)
• M22: 12,423,056 km (0.048 R)
• M23: 12,883,219 km (0.099 R)
• M24: 12,999,905 km (0.102 R)
• M25: 14,268,944 km (0.048 R)
• M26: 15,751,160 km (0.059 R)
• M27: 18,052,274 km (0.092 R)
• M28: 20,647,349 km (0.081 R)
• M29: 22,791,834 km (0.039 R)
• M30: 29,092,597 km (0.114 R)
• M31: 40,196,649 km (0.12 R)
• M32: 43,127,720 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 766.7

Radius: 7.6

Gravity: 13.27 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 7.28 AU - 9.18 AU

Year: 15745 Days

Day: 23.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,849,261 km

• M1: 132,993 km (0.114 R)
• M2: 850,464 km (0.088 R)
• M3: 1,158,037 km (0.099 R)
• M4: 1,668,016 km (0.094 R)
• M5: 2,361,103 km (0.028 R)
• M6: 3,052,993 km (0.065 R)
• M7: 3,338,426 km (0.106 R)
• M8: 3,962,848 km (0.04 R)
• M9: 4,867,167 km (0.059 R)
• M10: 10,568,192 km (0.096 R)
• M11: 12,161,260 km (0.081 R)
• M12: 16,436,617 km (0.085 R)
• M13: 17,235,021 km (0.075 R)
• M14: 17,479,464 km (0.12 R)
• M15: 20,143,054 km (0.102 R)
• M16: 25,831,962 km (0.081 R)
• M17: 29,503,542 km (0.079 R)
• M18: 30,206,503 km (0.078 R)
• M19: 36,773,849 km (0.06 R)
• M20: 37,587,811 km (0.064 R)
• M21: 40,102,103 km (0.116 R)
• M22: 47,191,546 km (0.108 R)
• M23: 55,426,161 km (0.082 R)
• M24: 57,035,983 km (0.095 R)
• M25: 58,492,767 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 882.4

Radius: 4.3

Gravity: 47.72 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 7.54 AU - 11.78 AU

Year: 20021 Days

Day: 17 Hours

Environment

Temp: -230 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 82,849,261 km

• M1: 55,052 km (0.064 R)
• M2: 203,752 km (0.036 R)
• M3: 560,842 km (0.091 R)
• M4: 1,271,133 km (0.093 R)
• M5: 1,525,599 km (0.046 R)
• M6: 1,775,428 km (0.103 R)
• M7: 2,114,865 km (0.073 R)
• M8: 2,544,061 km (0.115 R)
• M9: 2,869,586 km (0.092 R)
• M10: 3,055,985 km (0.087 R)
• M11: 3,726,483 km (0.102 R)
• M12: 3,916,323 km (0.113 R)
• M13: 5,002,702 km (0.042 R)
• M14: 5,273,325 km (0.073 R)
• M15: 6,409,371 km (0.105 R)
• M16: 7,498,144 km (0.084 R)
• M17: 10,217,834 km (0.087 R)
• M18: 10,527,651 km (0.119 R)
• M19: 17,759,062 km (0.089 R)
• M20: 18,479,227 km (0.116 R)
• M21: 18,754,337 km (0.08 R)
• M22: 22,791,236 km (0.059 R)
• M23: 26,433,196 km (0.053 R)
• M24: 31,215,092 km (0.037 R)
• M25: 34,289,029 km (0.055 R)
• M26: 35,827,942 km (0.099 R)
• M27: 36,398,808 km (0.09 R)
• M28: 37,852,450 km (0.114 R)
• M29: 39,647,325 km (0.106 R)
• M30: 41,185,790 km (0.049 R)
• M31: 41,655,078 km (0.119 R)
• M32: 43,729,402 km (0.118 R)
• M33: 45,537,592 km (0.048 R)
• M34: 46,375,789 km (0.099 R)
• M35: 48,429,169 km (0.095 R)
• M36: 51,621,588 km (0.073 R)
• M37: 59,610,413 km (0.109 R)
• M38: 61,626,843 km (0.114 R)
• M39: 81,859,656 km (0.215 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 275 - 16,234 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit