🌌 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: 24.3

Radius: 14.7

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.52 AU - 0.62 AU

Year: 287 Days

Day: 11.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 57,790,808 km

• M1: 182,809 km (0.05 R)
• M2: 739,462 km (0.088 R)
• M3: 1,281,306 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862

Radius: 11

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.13 AU - 1.29 AU

Year: 888 Days

Day: 12.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,790,808 km

• M1: 136,732 km (0.081 R)
• M2: 515,365 km (0.101 R)
• M3: 1,125,724 km (0.09 R)
• M4: 1,492,538 km (0.087 R)
• M5: 2,058,317 km (0.075 R)
• M6: 2,465,672 km (0.071 R)
• M7: 2,825,305 km (0.055 R)
• M8: 3,547,564 km (0.073 R)
• M9: 3,913,331 km (0.073 R)
• M10: 4,721,309 km (0.077 R)
• M11: 5,436,985 km (0.093 R)
• M12: 6,288,795 km (0.103 R)
• M13: 6,667,128 km (0.077 R)
• M14: 7,717,754 km (0.117 R)
• M15: 8,415,179 km (0.117 R)
• M16: 8,820,440 km (0.087 R)
• M17: 9,467,152 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.7

Radius: 9

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.36 AU - 1.84 AU

Year: 1350 Days

Day: 13.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,790,808 km

• M1: 125,513 km (0.108 R)
• M2: 533,316 km (0.066 R)
• M3: 989,740 km (0.096 R)
• M4: 3,061,969 km (0.076 R)
• M5: 3,926,944 km (0.089 R)
• M6: 4,688,996 km (0.111 R)
• M7: 5,377,894 km (0.044 R)
• M8: 5,737,228 km (0.057 R)
• M9: 6,092,523 km (0.049 R)
• M10: 7,269,709 km (0.108 R)
• M11: 8,191,979 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273

Radius: 10.1

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.62 AU - 2.46 AU

Year: 1943 Days

Day: 10 Hours

Environment

Temp: -208 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,790,808 km

• M1: 126,859 km (0.118 R)
• M2: 653,892 km (0.057 R)
• M3: 993,031 km (0.119 R)
• M4: 1,333,366 km (0.093 R)
• M5: 1,651,411 km (0.044 R)
• M6: 2,517,882 km (0.069 R)
• M7: 3,151,728 km (0.116 R)
• M8: 3,662,605 km (0.08 R)
• M9: 4,513,667 km (0.07 R)
• M10: 6,278,772 km (0.093 R)
• M11: 7,089,593 km (0.116 R)
• M12: 8,295,950 km (0.104 R)
• M13: 10,195,244 km (0.111 R)
• M14: 11,693,467 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.5

Radius: 9.1

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.88 AU - 2.4 AU

Year: 2088 Days

Day: 12.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,790,808 km

• M1: 113,246 km (0.111 R)
• M2: 800,199 km (0.106 R)
• M3: 1,208,601 km (0.078 R)
• M4: 1,517,820 km (0.073 R)
• M5: 2,721,784 km (0.102 R)
• M6: 3,009,161 km (0.083 R)
• M7: 3,358,472 km (0.111 R)
• M8: 4,572,459 km (0.096 R)
• M9: 5,510,737 km (0.088 R)
• M10: 7,328,201 km (0.098 R)
• M11: 7,641,459 km (0.052 R)
• M12: 7,988,975 km (0.066 R)
• M13: 8,346,813 km (0.075 R)
• M14: 8,903,916 km (0.054 R)
• M15: 9,400,880 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.9

Radius: 13.4

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.3 AU - 4.8 AU

Year: 5435 Days

Day: 14.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,790,808 km

• M1: 166,652 km (0.109 R)
• M2: 590,463 km (0.109 R)
• M3: 1,082,490 km (0.116 R)
• M4: 1,579,006 km (0.063 R)
• M5: 2,976,399 km (0.063 R)
• M6: 3,664,250 km (0.11 R)
• M7: 4,658,178 km (0.103 R)
• M8: 5,274,821 km (0.111 R)
• M9: 6,254,388 km (0.104 R)
• M10: 6,804,459 km (0.11 R)
• M11: 7,422,149 km (0.076 R)
• M12: 8,039,539 km (0.055 R)
• M13: 10,363,542 km (0.077 R)
• M14: 11,800,579 km (0.111 R)
• M15: 13,209,342 km (0.101 R)
• M16: 14,448,162 km (0.08 R)
• M17: 15,940,252 km (0.049 R)
• M18: 18,894,809 km (0.119 R)
• M19: 19,703,984 km (0.089 R)
• M20: 22,196,883 km (0.113 R)
• M21: 23,557,625 km (0.081 R)
• M22: 24,179,953 km (0.064 R)
• M23: 26,528,340 km (0.037 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 244.2

Radius: 6.8

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 10.04 AU - 10.64 AU

Year: 22172 Days

Day: 21.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,790,808 km

• M1: 84,523 km (0.091 R)
• M2: 303,684 km (0.109 R)
• M3: 519,105 km (0.058 R)
• M4: 833,410 km (0.118 R)
• M5: 1,888,224 km (0.06 R)
• M6: 2,937,055 km (0.073 R)
• M7: 6,114,065 km (0.107 R)
• M8: 6,386,931 km (0.105 R)
• M9: 7,254,599 km (0.085 R)
• M10: 7,829,803 km (0.065 R)
• M11: 9,633,205 km (0.113 R)
• M12: 11,996,552 km (0.094 R)
• M13: 15,070,489 km (0.104 R)
• M14: 15,932,173 km (0.115 R)
• M15: 16,300,633 km (0.077 R)
• M16: 17,440,419 km (0.099 R)
• M17: 17,990,191 km (0.094 R)
• M18: 18,309,433 km (0.11 R)
• M19: 18,877,157 km (0.119 R)
• M20: 19,540,474 km (0.116 R)
• M21: 20,738,304 km (0.119 R)
• M22: 24,041,874 km (0.046 R)
• M23: 24,722,694 km (0.055 R)
• M24: 25,216,815 km (0.098 R)
• M25: 25,616,691 km (0.088 R)
• M26: 25,919,477 km (0.099 R)
• M27: 27,049,988 km (0.108 R)
• M28: 28,970,376 km (0.112 R)
• M29: 33,319,335 km (0.12 R)
• M30: 41,178,459 km (0.096 R)
• M31: 43,427,065 km (0.104 R)
• M32: 52,751,500 km (0.082 R)
• M33: 53,899,963 km (0.07 R)
• M34: 57,272,946 km (0.046 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: 443 - 13,377 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit