🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177

Radius: 10.3

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.88 AU - 0.92 AU

Year: 600 Days

Day: 8.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,550,555 km

• M1: 128,056 km (0.111 R)
• M2: 600,635 km (0.088 R)
• M3: 1,030,131 km (0.099 R)
• M4: 1,366,577 km (0.106 R)
• M5: 1,723,068 km (0.086 R)
• M6: 2,458,641 km (0.054 R)
• M7: 2,913,718 km (0.071 R)
• M8: 3,513,156 km (0.082 R)
• M9: 4,155,230 km (0.086 R)
• M10: 4,504,691 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.4

Radius: 11.8

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.16 AU - 1.82 AU

Year: 1278 Days

Day: 8.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,550,555 km

• M1: 147,055 km (0.069 R)
• M2: 517,010 km (0.069 R)
• M3: 919,429 km (0.072 R)
• M4: 1,457,083 km (0.108 R)
• M5: 1,903,783 km (0.1 R)
• M6: 3,038,034 km (0.111 R)
• M7: 3,586,310 km (0.105 R)
• M8: 4,044,229 km (0.099 R)
• M9: 4,431,388 km (0.096 R)
• M10: 5,744,857 km (0.113 R)
• M11: 6,304,952 km (0.119 R)
• M12: 7,799,135 km (0.082 R)
• M13: 8,860,233 km (0.044 R)
• M14: 10,142,436 km (0.099 R)
• M15: 11,440,348 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.1

Radius: 11

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.5 AU - 2.36 AU

Year: 1885 Days

Day: 10.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,550,555 km

• M1: 137,331 km (0.1 R)
• M2: 484,398 km (0.052 R)
• M3: 1,189,602 km (0.105 R)
• M4: 1,662,631 km (0.109 R)
• M5: 2,389,527 km (0.116 R)
• M6: 2,797,031 km (0.034 R)
• M7: 3,976,311 km (0.113 R)
• M8: 4,699,468 km (0.09 R)
• M9: 5,748,747 km (0.091 R)
• M10: 8,119,424 km (0.097 R)
• M11: 8,591,406 km (0.105 R)
• M12: 9,452,790 km (0.108 R)
• M13: 9,834,265 km (0.111 R)
• M14: 10,851,680 km (0.107 R)
• M15: 11,778,439 km (0.087 R)
• M16: 12,425,001 km (0.102 R)
• M17: 13,352,508 km (0.086 R)
• M18: 13,745,052 km (0.1 R)
• M19: 14,829,637 km (0.06 R)
• M20: 15,535,888 km (0.11 R)

Asteroid Belt

Center: 4.55 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129.2

Radius: 6.7

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 6.5 AU - 7.82 AU

Year: 13467 Days

Day: 18.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,550,555 km

• M1: 89,460 km (0.103 R)
• M2: 454,179 km (0.094 R)
• M3: 1,541,756 km (0.104 R)
• M4: 1,790,986 km (0.087 R)
• M5: 2,741,979 km (0.113 R)
• M6: 5,319,700 km (0.048 R)
• M7: 6,540,569 km (0.038 R)
• M8: 12,773,863 km (0.059 R)
• M9: 13,415,339 km (0.094 R)
• M10: 14,704,723 km (0.038 R)
• M11: 18,453,496 km (0.095 R)
• M12: 22,793,928 km (0.026 R)
• M13: 24,869,449 km (0.089 R)
• M14: 30,792,029 km (0.084 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 727.5

Radius: 4.7

Gravity: 32.93 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 8.56 AU - 8.62 AU

Year: 17697 Days

Day: 20.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 146.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 71,550,555 km

• M1: 102,325 km (0.108 R)
• M2: 250,427 km (0.1 R)
• M3: 397,482 km (0.099 R)
• M4: 1,162,226 km (0.113 R)
• M5: 1,358,947 km (0.095 R)
• M6: 1,529,040 km (0.056 R)
• M7: 2,066,994 km (0.099 R)
• M8: 3,506,424 km (0.067 R)
• M9: 4,364,817 km (0.119 R)
• M10: 5,902,683 km (0.052 R)
• M11: 6,316,022 km (0.102 R)
• M12: 7,768,917 km (0.092 R)
• M13: 8,418,022 km (0.071 R)
• M14: 9,430,799 km (0.113 R)
• M15: 10,462,875 km (0.114 R)
• M16: 13,578,999 km (0.074 R)
• M17: 14,152,258 km (0.068 R)
• M18: 22,537,817 km (0.106 R)
• M19: 23,037,324 km (0.082 R)
• M20: 24,791,060 km (0.106 R)
• M21: 26,081,192 km (0.103 R)
• M22: 28,329,798 km (0.101 R)
• M23: 29,501,149 km (0.112 R)
• M24: 30,098,643 km (0.096 R)
• M25: 33,079,979 km (0.096 R)
• M26: 34,774,175 km (0.118 R)
• M27: 37,353,092 km (0.065 R)
• M28: 49,781,683 km (0.108 R)
• M29: 50,798,650 km (0.113 R)
• M30: 51,312,369 km (0.108 R)
• M31: 55,005,491 km (0.115 R)
• M32: 57,378,263 km (0.102 R)
• M33: 58,871,998 km (0.047 R)
• M34: 60,008,942 km (0.092 R)
• M35: 63,112,649 km (0.077 R)
• M36: 64,904,532 km (0.111 R)
• M37: 70,271,356 km (0.042 R)
• M38: 71,550,567 km (0.053 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 14,828 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit