🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.4

Radius: 11.7

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.55 AU - 0.59 AU

Year: 302 Days

Day: 11.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 80,945,166 km

• M1: 145,559 km (0.071 R)
• M2: 714,928 km (0.026 R)
• M3: 1,430,604 km (0.074 R)
• M4: 2,236,787 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.9

Radius: 13.9

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.57 AU - 0.87 AU

Year: 429 Days

Day: 8 Hours

Environment

Temp: -166 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 80,945,166 km

• M1: 172,935 km (0.073 R)
• M2: 645,814 km (0.026 R)
• M3: 1,113,457 km (0.082 R)
• M4: 1,715,140 km (0.107 R)
• M5: 2,354,970 km (0.034 R)
• M6: 2,875,720 km (0.049 R)
• M7: 3,328,253 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.2

Radius: 9

Gravity: 11.29 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.99 AU - 1.25 AU

Year: 833 Days

Day: 14.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 80,945,166 km

• M1: 117,434 km (0.034 R)
• M2: 408,552 km (0.074 R)
• M3: 860,038 km (0.026 R)
• M4: 1,152,053 km (0.11 R)
• M5: 1,636,302 km (0.076 R)
• M6: 1,984,865 km (0.106 R)
• M7: 2,382,645 km (0.033 R)
• M8: 2,685,132 km (0.119 R)
• M9: 3,146,492 km (0.089 R)
• M10: 3,497,449 km (0.067 R)
• M11: 4,195,323 km (0.073 R)
• M12: 4,499,306 km (0.081 R)
• M13: 4,946,005 km (0.118 R)
• M14: 5,540,956 km (0.11 R)
• M15: 6,139,796 km (0.039 R)
• M16: 6,466,069 km (0.054 R)
• M17: 7,035,887 km (0.107 R)
• M18: 7,369,341 km (0.109 R)
• M19: 8,892,247 km (0.078 R)
• M20: 9,567,981 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.7

Radius: 8.2

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.52 AU - 1.78 AU

Year: 1490 Days

Day: 9.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 172.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,945,166 km

• M1: 102,026 km (0.112 R)
• M2: 406,009 km (0.086 R)
• M3: 770,429 km (0.028 R)
• M4: 1,178,083 km (0.068 R)
• M5: 2,006,706 km (0.104 R)
• M6: 2,319,515 km (0.077 R)
• M7: 2,689,022 km (0.09 R)
• M8: 3,206,032 km (0.08 R)
• M9: 3,561,626 km (0.112 R)
• M10: 4,843,680 km (0.074 R)
• M11: 5,689,955 km (0.045 R)
• M12: 6,408,773 km (0.098 R)
• M13: 7,747,674 km (0.092 R)
• M14: 8,077,537 km (0.109 R)
• M15: 8,603,224 km (0.107 R)
• M16: 9,434,240 km (0.114 R)
• M17: 9,781,307 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.1

Radius: 14.8

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.59 AU - 2.49 AU

Year: 2048 Days

Day: 8.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,945,166 km

• M1: 184,155 km (0.063 R)
• M2: 826,528 km (0.086 R)
• M3: 1,320,650 km (0.066 R)
• M4: 1,968,858 km (0.074 R)
• M5: 3,573,594 km (0.086 R)
• M6: 5,425,616 km (0.113 R)
• M7: 6,019,220 km (0.063 R)
• M8: 6,726,967 km (0.068 R)
• M9: 7,212,562 km (0.064 R)
• M10: 8,254,811 km (0.091 R)
• M11: 9,013,721 km (0.095 R)
• M12: 9,665,967 km (0.073 R)
• M13: 11,333,834 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.6

Radius: 9.1

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 3.75 AU - 4.61 AU

Year: 6007 Days

Day: 9.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,945,166 km

• M1: 113,246 km (0.109 R)
• M2: 403,465 km (0.041 R)
• M3: 1,048,232 km (0.07 R)
• M4: 1,717,533 km (0.093 R)
• M5: 2,758,435 km (0.108 R)
• M6: 3,197,505 km (0.1 R)
• M7: 6,269,946 km (0.059 R)
• M8: 7,593,738 km (0.077 R)
• M9: 8,914,986 km (0.101 R)
• M10: 9,915,496 km (0.082 R)
• M11: 11,405,641 km (0.105 R)
• M12: 11,789,659 km (0.098 R)
• M13: 12,138,072 km (0.057 R)
• M14: 15,128,085 km (0.052 R)
• M15: 15,644,048 km (0.092 R)
• M16: 17,825,933 km (0.092 R)
• M17: 18,989,655 km (0.09 R)
• M18: 20,765,830 km (0.102 R)
• M19: 21,403,267 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 989.8

Radius: 3.2

Gravity: 96.66 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 8.38 AU - 9.16 AU

Year: 18256 Days

Day: 16 Hours

Environment

Temp: -234 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 80,945,166 km

• M1: 39,793 km (0.06 R)
• M2: 252,372 km (0.096 R)
• M3: 365,019 km (0.093 R)
• M4: 519,553 km (0.063 R)
• M5: 716,574 km (0.038 R)
• M6: 821,592 km (0.052 R)
• M7: 1,349,971 km (0.073 R)
• M8: 2,666,133 km (0.079 R)
• M9: 2,766,214 km (0.084 R)
• M10: 2,973,856 km (0.049 R)
• M11: 3,362,063 km (0.104 R)
• M12: 4,409,547 km (0.109 R)
• M13: 4,585,175 km (0.061 R)
• M14: 5,948,759 km (0.038 R)
• M15: 6,427,622 km (0.105 R)
• M16: 8,121,968 km (0.098 R)
• M17: 8,493,419 km (0.108 R)
• M18: 12,290,512 km (0.096 R)
• M19: 15,101,905 km (0.092 R)
• M20: 15,260,778 km (0.107 R)
• M21: 15,581,665 km (0.107 R)
• M22: 16,320,380 km (0.111 R)
• M23: 16,571,704 km (0.111 R)
• M24: 16,740,750 km (0.106 R)
• M25: 17,515,367 km (0.088 R)
• M26: 18,859,056 km (0.094 R)
• M27: 21,348,215 km (0.093 R)
• M28: 24,047,708 km (0.052 R)
• M29: 32,033,542 km (0.06 R)
• M30: 38,433,638 km (0.09 R)
• M31: 41,308,161 km (0.08 R)
• M32: 41,463,294 km (0.081 R)
• M33: 41,774,757 km (0.057 R)
• M34: 55,174,537 km (0.12 R)
• M35: 56,309,985 km (0.07 R)
• M36: 62,834,696 km (0.102 R)
• M37: 64,280,559 km (0.099 R)
• M38: 66,171,925 km (0.104 R)
• M39: 73,424,131 km (0.116 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 295 - 11,633 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit