🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.1

Radius: 9.1

Gravity: 9.29 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.59 AU - 0.81 AU

Year: 384 Days

Day: 5.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,260,665 km

• M1: 113,246 km (0.094 R)
• M2: 432,936 km (0.099 R)
• M3: 716,574 km (0.066 R)
• M4: 1,368,821 km (0.082 R)
• M5: 1,900,043 km (0.036 R)
• M6: 2,302,610 km (0.118 R)
• M7: 2,927,630 km (0.058 R)
• M8: 3,246,124 km (0.054 R)
• M9: 3,563,571 km (0.055 R)
• M10: 3,914,527 km (0.092 R)
• M11: 5,281,702 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.3

Radius: 14.2

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.88 AU - 2.14 AU

Year: 1869 Days

Day: 14 Hours

Environment

Temp: -197 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,260,665 km

• M1: 176,675 km (0.086 R)
• M2: 665,860 km (0.07 R)
• M3: 1,201,420 km (0.117 R)
• M4: 1,704,967 km (0.044 R)
• M5: 2,214,198 km (0.091 R)
• M6: 3,100,865 km (0.043 R)
• M7: 3,887,749 km (0.113 R)
• M8: 4,356,140 km (0.097 R)
• M9: 5,221,714 km (0.071 R)
• M10: 6,176,148 km (0.088 R)
• M11: 6,647,082 km (0.092 R)
• M12: 7,116,820 km (0.103 R)
• M13: 8,431,635 km (0.117 R)
• M14: 10,353,220 km (0.093 R)
• M15: 11,122,901 km (0.119 R)
• M16: 11,930,430 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.4

Radius: 11.8

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.14 AU - 3.56 AU

Year: 3156 Days

Day: 10 Hours

Environment

Temp: -199 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,260,665 km

• M1: 146,756 km (0.068 R)
• M2: 625,319 km (0.085 R)
• M3: 1,196,484 km (0.112 R)
• M4: 2,220,332 km (0.107 R)
• M5: 3,101,313 km (0.057 R)
• M6: 3,565,964 km (0.119 R)
• M7: 4,415,680 km (0.093 R)
• M8: 5,247,295 km (0.116 R)
• M9: 6,318,266 km (0.108 R)
• M10: 6,744,770 km (0.089 R)
• M11: 7,467,178 km (0.068 R)
• M12: 8,785,285 km (0.101 R)
• M13: 9,573,366 km (0.051 R)
• M14: 10,175,797 km (0.049 R)
• M15: 12,617,982 km (0.095 R)
• M16: 13,434,936 km (0.118 R)
• M17: 13,951,497 km (0.085 R)
• M18: 15,580,768 km (0.102 R)
• M19: 17,499,061 km (0.075 R)
• M20: 20,479,350 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.6

Radius: 10.4

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.75 AU - 3.05 AU

Year: 3240 Days

Day: 9.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,260,665 km

• M1: 129,402 km (0.057 R)
• M2: 456,872 km (0.094 R)
• M3: 807,380 km (0.115 R)
• M4: 1,811,481 km (0.109 R)
• M5: 2,749,010 km (0.054 R)
• M6: 3,172,672 km (0.084 R)
• M7: 3,778,393 km (0.053 R)
• M8: 4,459,662 km (0.035 R)
• M9: 4,877,788 km (0.1 R)
• M10: 5,983,466 km (0.118 R)
• M11: 7,280,031 km (0.081 R)
• M12: 8,438,517 km (0.087 R)
• M13: 9,753,931 km (0.099 R)
• M14: 12,153,630 km (0.102 R)
• M15: 13,682,072 km (0.116 R)
• M16: 15,127,636 km (0.103 R)
• M17: 15,807,708 km (0.104 R)
• M18: 17,116,540 km (0.12 R)
• M19: 19,517,585 km (0.072 R)
• M20: 22,604,089 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.2

Radius: 9.1

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 3.26 AU - 4.08 AU

Year: 4612 Days

Day: 8.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,260,665 km

• M1: 114,143 km (0.069 R)
• M2: 589,715 km (0.082 R)
• M3: 1,267,992 km (0.101 R)
• M4: 1,634,207 km (0.079 R)
• M5: 2,695,754 km (0.112 R)
• M6: 3,017,539 km (0.075 R)
• M7: 4,010,869 km (0.096 R)
• M8: 4,547,775 km (0.102 R)
• M9: 7,510,412 km (0.082 R)
• M10: 8,326,617 km (0.102 R)
• M11: 10,749,804 km (0.096 R)
• M12: 11,173,465 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.2

Radius: 8.2

Gravity: 14.41 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 3.46 AU - 4.14 AU

Year: 4859 Days

Day: 9.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 33,260,665 km

• M1: 102,026 km (0.073 R)
• M2: 484,697 km (0.117 R)
• M3: 910,752 km (0.106 R)
• M4: 1,714,392 km (0.036 R)
• M5: 1,994,289 km (0.108 R)
• M6: 2,719,988 km (0.115 R)
• M7: 3,023,971 km (0.039 R)
• M8: 3,371,786 km (0.107 R)
• M9: 4,075,196 km (0.053 R)
• M10: 4,657,580 km (0.101 R)
• M11: 6,114,364 km (0.108 R)
• M12: 8,119,873 km (0.107 R)
• M13: 9,377,393 km (0.09 R)
• M14: 10,574,176 km (0.068 R)
• M15: 11,329,795 km (0.118 R)
• M16: 12,070,454 km (0.109 R)
• M17: 12,685,750 km (0.109 R)
• M18: 13,923,672 km (0.106 R)
• M19: 16,019,688 km (0.105 R)
• M20: 17,015,711 km (0.06 R)
• M21: 17,270,925 km (0.112 R)
• M22: 19,755,296 km (0.059 R)
• M23: 20,754,461 km (0.104 R)
• M24: 31,215,241 km (0.078 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 534 - 20,000 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit