🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.8

Radius: 11.6

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.51 AU - 0.51 AU

Year: 256 Days

Day: 8.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,392,494 km

• M1: 144,512 km (0.092 R)
• M2: 549,174 km (0.119 R)
• M3: 1,135,747 km (0.097 R)
• M4: 1,742,666 km (0.048 R)
• M5: 2,274,187 km (0.053 R)
• M6: 2,988,965 km (0.059 R)
• M7: 3,599,624 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221

Radius: 12.6

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.9 AU - 1.46 AU

Year: 901 Days

Day: 7 Hours

Environment

Temp: -178 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,392,494 km

• M1: 156,928 km (0.085 R)
• M2: 651,948 km (0.117 R)
• M3: 1,079,498 km (0.098 R)
• M4: 1,920,089 km (0.115 R)
• M5: 2,426,627 km (0.029 R)
• M6: 2,823,959 km (0.097 R)
• M7: 3,361,315 km (0.085 R)
• M8: 4,034,804 km (0.101 R)
• M9: 4,781,148 km (0.113 R)
• M10: 5,362,036 km (0.065 R)
• M11: 5,828,183 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711

Radius: 8.2

Gravity: 10.57 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.09 AU - 1.45 AU

Year: 1006 Days

Day: 11 Hours

Environment

Temp: -192 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,392,494 km

• M1: 102,026 km (0.109 R)
• M2: 417,677 km (0.104 R)
• M3: 681,418 km (0.081 R)
• M4: 940,073 km (0.102 R)
• M5: 1,195,137 km (0.114 R)
• M6: 1,546,992 km (0.094 R)
• M7: 2,037,373 km (0.11 R)
• M8: 2,325,050 km (0.117 R)
• M9: 2,970,116 km (0.079 R)
• M10: 3,807,116 km (0.032 R)
• M11: 5,305,788 km (0.118 R)
• M12: 6,003,363 km (0.114 R)
• M13: 6,783,815 km (0.071 R)
• M14: 7,332,390 km (0.104 R)
• M15: 7,782,081 km (0.111 R)
• M16: 8,987,092 km (0.077 R)
• M17: 9,357,197 km (0.06 R)
• M18: 9,916,544 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588

Radius: 13.3

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.43 AU - 1.61 AU

Year: 1317 Days

Day: 7.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,392,494 km

• M1: 165,605 km (0.09 R)
• M2: 626,516 km (0.119 R)
• M3: 1,083,537 km (0.1 R)
• M4: 1,575,714 km (0.092 R)
• M5: 1,996,384 km (0.047 R)
• M6: 3,128,690 km (0.075 R)
• M7: 3,935,770 km (0.086 R)
• M8: 5,662,429 km (0.095 R)
• M9: 6,437,047 km (0.1 R)
• M10: 7,306,510 km (0.113 R)
• M11: 7,822,622 km (0.06 R)
• M12: 8,529,771 km (0.081 R)
• M13: 10,103,691 km (0.12 R)
• M14: 10,712,554 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.3

Radius: 10

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.96 AU - 2.56 AU

Year: 2388 Days

Day: 13.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,392,494 km

• M1: 126,560 km (0.106 R)
• M2: 507,735 km (0.048 R)
• M3: 983,008 km (0.097 R)
• M4: 1,320,201 km (0.07 R)
• M5: 1,686,566 km (0.114 R)
• M6: 2,063,852 km (0.118 R)
• M7: 2,497,536 km (0.103 R)
• M8: 2,859,115 km (0.082 R)
• M9: 3,549,658 km (0.044 R)
• M10: 4,395,036 km (0.107 R)
• M11: 5,369,217 km (0.111 R)
• M12: 6,884,344 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.7

Radius: 10

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.29 AU - 2.73 AU

Year: 2795 Days

Day: 7.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,392,494 km

• M1: 124,316 km (0.046 R)
• M2: 819,497 km (0.103 R)
• M3: 1,407,716 km (0.081 R)
• M4: 1,886,130 km (0.082 R)
• M5: 2,727,169 km (0.036 R)
• M6: 3,259,588 km (0.118 R)
• M7: 3,645,700 km (0.103 R)
• M8: 6,165,377 km (0.082 R)
• M9: 6,614,171 km (0.12 R)
• M10: 7,084,506 km (0.11 R)
• M11: 7,671,977 km (0.043 R)
• M12: 8,630,900 km (0.058 R)
• M13: 9,193,088 km (0.085 R)
• M14: 10,005,854 km (0.049 R)
• M15: 12,290,662 km (0.106 R)
• M16: 15,253,747 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.9

Radius: 13.7

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.95 AU - 2.99 AU

Year: 3598 Days

Day: 6.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,392,494 km

• M1: 172,337 km (0.106 R)
• M2: 637,586 km (0.066 R)
• M3: 1,252,433 km (0.092 R)
• M4: 1,694,046 km (0.083 R)
• M5: 2,580,414 km (0.118 R)
• M6: 3,610,844 km (0.102 R)
• M7: 4,425,703 km (0.093 R)
• M8: 5,799,012 km (0.09 R)
• M9: 10,796,179 km (0.073 R)
• M10: 11,262,027 km (0.073 R)
• M11: 11,863,261 km (0.051 R)
• M12: 13,130,056 km (0.093 R)
• M13: 14,438,588 km (0.063 R)
• M14: 15,782,875 km (0.094 R)
• M15: 16,741,647 km (0.101 R)
• M16: 18,007,694 km (0.116 R)
• M17: 18,443,622 km (0.101 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681

Radius: 14.4

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 4.07 AU - 6.09 AU

Year: 8048 Days

Day: 7.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 41,392,494 km

• M1: 179,517 km (0.115 R)
• M2: 693,685 km (0.059 R)
• M3: 1,184,217 km (0.065 R)
• M4: 1,714,691 km (0.077 R)
• M5: 2,283,611 km (0.093 R)
• M6: 2,777,434 km (0.071 R)
• M7: 3,455,860 km (0.077 R)
• M8: 5,238,618 km (0.112 R)
• M9: 6,704,827 km (0.081 R)
• M10: 7,262,827 km (0.109 R)
• M11: 8,904,364 km (0.068 R)
• M12: 9,442,019 km (0.076 R)
• M13: 10,881,899 km (0.113 R)
• M14: 12,299,039 km (0.085 R)
• M15: 13,195,131 km (0.093 R)
• M16: 13,954,938 km (0.088 R)
• M17: 15,690,423 km (0.111 R)
• M18: 16,812,108 km (0.115 R)
• M19: 17,358,140 km (0.1 R)
• M20: 18,485,809 km (0.107 R)
• M21: 20,268,268 km (0.077 R)
• M22: 23,915,164 km (0.119 R)
• M23: 29,924,212 km (0.087 R)
• M24: 35,180,782 km (0.062 R)
• M25: 37,330,054 km (0.047 R)
• M26: 41,145,698 km (0.066 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: 536 - 18,524 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit