🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.5

Radius: 14.9

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.54 AU - 0.54 AU

Year: 274 Days

Day: 12.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 34,733,207 km

• M1: 185,801 km (0.084 R)
• M2: 690,544 km (0.046 R)
• M3: 1,238,970 km (0.06 R)
• M4: 1,897,350 km (0.101 R)
• M5: 2,535,684 km (0.088 R)
• M6: 3,295,491 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.4

Radius: 12.5

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.58 AU - 0.74 AU

Year: 370 Days

Day: 10.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,733,207 km

• M1: 155,432 km (0.098 R)
• M2: 552,914 km (0.108 R)
• M3: 956,828 km (0.08 R)
• M4: 1,408,015 km (0.079 R)
• M5: 1,852,470 km (0.111 R)
• M6: 2,270,447 km (0.102 R)
• M7: 2,971,612 km (0.088 R)
• M8: 3,800,384 km (0.11 R)
• M9: 4,191,134 km (0.107 R)
• M10: 4,864,025 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.7

Radius: 10.9

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.72 AU - 1.12 AU

Year: 609 Days

Day: 10.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,733,207 km

• M1: 135,536 km (0.11 R)
• M2: 489,484 km (0.052 R)
• M3: 1,465,610 km (0.115 R)
• M4: 1,998,777 km (0.054 R)
• M5: 2,430,068 km (0.062 R)
• M6: 2,868,689 km (0.12 R)
• M7: 3,264,525 km (0.028 R)
• M8: 4,167,198 km (0.064 R)
• M9: 5,511,934 km (0.041 R)
• M10: 5,875,905 km (0.117 R)
• M11: 6,386,483 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.7

Radius: 11.1

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.38 AU - 1.5 AU

Year: 1193 Days

Day: 11.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,733,207 km

• M1: 138,079 km (0.074 R)
• M2: 498,311 km (0.077 R)
• M3: 1,060,649 km (0.056 R)
• M4: 1,472,641 km (0.042 R)
• M5: 2,045,003 km (0.068 R)
• M6: 3,356,827 km (0.073 R)
• M7: 4,053,654 km (0.112 R)
• M8: 5,022,449 km (0.092 R)
• M9: 6,301,212 km (0.067 R)
• M10: 6,756,139 km (0.104 R)
• M11: 7,414,070 km (0.074 R)
• M12: 8,537,850 km (0.091 R)
• M13: 8,917,080 km (0.057 R)
• M14: 9,740,467 km (0.08 R)
• M15: 10,090,227 km (0.088 R)
• M16: 10,647,180 km (0.087 R)
• M17: 11,363,604 km (0.066 R)
• M18: 12,075,241 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.2

Radius: 12.5

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.98 AU - 2.02 AU

Year: 1952 Days

Day: 10.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,733,207 km

• M1: 156,629 km (0.109 R)
• M2: 555,756 km (0.1 R)
• M3: 1,242,111 km (0.083 R)
• M4: 1,922,931 km (0.117 R)
• M5: 2,478,986 km (0.043 R)
• M6: 3,409,335 km (0.101 R)
• M7: 3,994,114 km (0.098 R)
• M8: 4,996,569 km (0.114 R)
• M9: 5,803,201 km (0.113 R)
• M10: 6,343,548 km (0.093 R)
• M11: 7,705,786 km (0.054 R)
• M12: 8,391,842 km (0.073 R)
• M13: 12,449,984 km (0.11 R)
• M14: 12,873,794 km (0.033 R)
• M15: 13,483,555 km (0.116 R)
• M16: 14,295,573 km (0.063 R)
• M17: 15,187,924 km (0.104 R)
• M18: 15,967,778 km (0.031 R)
• M19: 16,570,208 km (0.106 R)
• M20: 18,088,477 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.7

Radius: 12

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.79 AU - 2.59 AU

Year: 2237 Days

Day: 8.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,733,207 km

• M1: 149,448 km (0.068 R)
• M2: 586,424 km (0.05 R)
• M3: 1,439,880 km (0.111 R)
• M4: 2,639,804 km (0.043 R)
• M5: 3,433,570 km (0.102 R)
• M6: 4,046,772 km (0.096 R)
• M7: 4,997,915 km (0.086 R)
• M8: 6,212,650 km (0.101 R)
• M9: 6,608,037 km (0.113 R)
• M10: 8,936,528 km (0.087 R)
• M11: 9,832,619 km (0.111 R)
• M12: 10,578,065 km (0.09 R)
• M13: 12,105,609 km (0.068 R)
• M14: 13,081,885 km (0.097 R)
• M15: 14,152,258 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.9

Radius: 10.6

Gravity: 8.87 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.04 AU - 4.56 AU

Year: 5113 Days

Day: 11.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 34,733,207 km

• M1: 131,796 km (0.11 R)
• M2: 475,721 km (0.064 R)
• M3: 859,290 km (0.084 R)
• M4: 1,192,893 km (0.099 R)
• M5: 1,706,164 km (0.107 R)
• M6: 3,140,059 km (0.089 R)
• M7: 3,934,574 km (0.072 R)
• M8: 4,913,392 km (0.096 R)
• M9: 6,079,059 km (0.079 R)
• M10: 6,439,141 km (0.09 R)
• M11: 7,794,199 km (0.08 R)
• M12: 8,219,655 km (0.092 R)
• M13: 9,810,778 km (0.108 R)
• M14: 10,307,443 km (0.034 R)
• M15: 11,548,208 km (0.094 R)
• M16: 12,256,254 km (0.076 R)
• M17: 12,993,024 km (0.104 R)
• M18: 14,096,308 km (0.101 R)
• M19: 14,905,184 km (0.115 R)
• M20: 16,488,977 km (0.119 R)
• M21: 20,640,168 km (0.096 R)
• M22: 21,008,627 km (0.106 R)
• M23: 21,834,557 km (0.12 R)
• M24: 22,371,314 km (0.11 R)
• M25: 24,197,306 km (0.083 R)
• M26: 25,609,360 km (0.115 R)
• M27: 31,032,881 km (0.118 R)
• M28: 31,809,294 km (0.038 R)
• M29: 33,705,447 km (0.12 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 229 - 16,482 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit