🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.4

Radius: 11.4

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.72 AU - 1 AU

Year: 541 Days

Day: 5 Hours

Environment

Temp: -158 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,425,103 km

• M1: 141,819 km (0.063 R)
• M2: 504,893 km (0.106 R)
• M3: 1,030,879 km (0.092 R)
• M4: 1,803,851 km (0.095 R)
• M5: 2,651,921 km (0.116 R)
• M6: 3,058,828 km (0.096 R)
• M7: 3,789,314 km (0.078 R)
• M8: 4,507,085 km (0.113 R)
• M9: 5,141,380 km (0.051 R)
• M10: 6,710,212 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.4

Radius: 11

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.02 AU - 1.2 AU

Year: 793 Days

Day: 12.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 76,425,103 km

• M1: 136,882 km (0.103 R)
• M2: 680,222 km (0.078 R)
• M3: 1,050,027 km (0.108 R)
• M4: 1,552,676 km (0.103 R)
• M5: 2,068,490 km (0.107 R)
• M6: 2,500,528 km (0.104 R)

Asteroid Belt

Center: 2.14 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.9

Radius: 14.4

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.8 AU - 3.54 AU

Year: 3828 Days

Day: 9.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,425,103 km

• M1: 184,753 km (0.085 R)
• M2: 632,799 km (0.056 R)
• M3: 1,141,133 km (0.099 R)
• M4: 1,771,837 km (0.092 R)
• M5: 3,071,543 km (0.111 R)
• M6: 4,180,961 km (0.091 R)
• M7: 5,708,206 km (0.066 R)
• M8: 6,403,836 km (0.086 R)
• M9: 9,393,849 km (0.108 R)
• M10: 12,962,655 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.8

Radius: 11

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.05 AU - 4.23 AU

Year: 4710 Days

Day: 7.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,425,103 km

• M1: 136,732 km (0.102 R)
• M2: 488,587 km (0.12 R)
• M3: 851,212 km (0.117 R)
• M4: 1,314,217 km (0.08 R)
• M5: 1,674,898 km (0.073 R)
• M6: 2,116,211 km (0.106 R)
• M7: 2,899,207 km (0.117 R)
• M8: 3,803,227 km (0.095 R)
• M9: 4,434,829 km (0.063 R)
• M10: 5,340,943 km (0.077 R)
• M11: 7,289,755 km (0.104 R)
• M12: 7,784,026 km (0.095 R)
• M13: 9,024,791 km (0.12 R)
• M14: 9,830,076 km (0.037 R)
• M15: 10,311,183 km (0.113 R)
• M16: 12,862,575 km (0.065 R)
• M17: 13,932,050 km (0.055 R)
• M18: 16,807,321 km (0.111 R)
• M19: 20,120,465 km (0.119 R)
• M20: 20,506,427 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.7

Radius: 8.4

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.43 AU - 3.91 AU

Year: 4769 Days

Day: 9.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,425,103 km

• M1: 104,419 km (0.06 R)
• M2: 371,152 km (0.074 R)
• M3: 871,856 km (0.066 R)
• M4: 1,200,224 km (0.065 R)
• M5: 1,866,832 km (0.076 R)
• M6: 2,745,570 km (0.105 R)
• M7: 3,747,576 km (0.098 R)
• M8: 5,131,955 km (0.114 R)
• M9: 5,501,910 km (0.109 R)
• M10: 6,039,715 km (0.032 R)
• M11: 10,244,761 km (0.094 R)
• M12: 11,172,867 km (0.073 R)
• M13: 14,428,864 km (0.111 R)
• M14: 14,702,778 km (0.103 R)
• M15: 16,420,461 km (0.04 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 758.6

Radius: 6.2

Gravity: 19.73 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 5.13 AU - 7.25 AU

Year: 10445 Days

Day: 22.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 76,425,103 km

• M1: 79,137 km (0.108 R)
• M2: 289,771 km (0.077 R)
• M3: 605,273 km (0.095 R)
• M4: 1,080,545 km (0.08 R)
• M5: 1,959,433 km (0.066 R)
• M6: 2,808,550 km (0.068 R)
• M7: 3,124,352 km (0.043 R)
• M8: 3,880,868 km (0.09 R)
• M9: 4,244,241 km (0.08 R)
• M10: 5,749,944 km (0.067 R)
• M11: 6,074,422 km (0.09 R)
• M12: 6,799,522 km (0.094 R)
• M13: 8,238,654 km (0.118 R)
• M14: 11,534,295 km (0.041 R)
• M15: 12,344,218 km (0.027 R)
• M16: 13,947,608 km (0.095 R)
• M17: 14,336,562 km (0.11 R)
• M18: 14,666,126 km (0.099 R)
• M19: 15,546,660 km (0.094 R)
• M20: 16,247,526 km (0.112 R)
• M21: 16,533,706 km (0.082 R)
• M22: 19,503,074 km (0.116 R)
• M23: 22,631,615 km (0.112 R)
• M24: 23,168,671 km (0.067 R)
• M25: 23,714,105 km (0.112 R)
• M26: 25,594,101 km (0.102 R)
• M27: 25,787,531 km (0.095 R)
• M28: 29,224,692 km (0.103 R)
• M29: 30,075,754 km (0.107 R)
• M30: 30,943,123 km (0.072 R)
• M31: 40,948,228 km (0.065 R)
• M32: 46,745,894 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 948.9

Radius: 7.4

Gravity: 17.33 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 6.84 AU - 10.36 AU

Year: 17106 Days

Day: 19.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 76,425,103 km

• M1: 92,003 km (0.066 R)
• M2: 324,777 km (0.117 R)
• M3: 583,282 km (0.111 R)
• M4: 840,142 km (0.084 R)
• M5: 1,418,188 km (0.058 R)
• M6: 1,679,535 km (0.096 R)
• M7: 1,915,451 km (0.113 R)
• M8: 3,713,169 km (0.047 R)
• M9: 5,469,298 km (0.07 R)
• M10: 5,910,462 km (0.108 R)
• M11: 10,457,789 km (0.104 R)
• M12: 11,074,730 km (0.08 R)
• M13: 12,791,964 km (0.026 R)
• M14: 14,832,030 km (0.108 R)
• M15: 15,769,261 km (0.117 R)
• M16: 16,090,298 km (0.095 R)
• M17: 19,636,964 km (0.112 R)
• M18: 23,050,190 km (0.059 R)
• M19: 31,024,055 km (0.033 R)
• M20: 32,166,385 km (0.035 R)
• M21: 36,176,954 km (0.103 R)
• M22: 37,727,237 km (0.099 R)
• M23: 40,060,515 km (0.086 R)
• M24: 40,808,953 km (0.117 R)
• M25: 41,110,991 km (0.043 R)
• M26: 42,643,322 km (0.053 R)
• M27: 45,012,503 km (0.111 R)
• M28: 52,466,367 km (0.043 R)
• M29: 55,000,106 km (0.083 R)
• M30: 55,553,618 km (0.097 R)
• M31: 63,898,636 km (0.117 R)
• M32: 67,415,832 km (0.092 R)
• M33: 69,543,861 km (0.082 R)
• M34: 74,157,908 km (0.055 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: 500 - 19,849 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit